/* 
 * Custom CSS overrides for SmartInv.
 * Prefer Tailwind utility classes whenever possible.
 * Use this file only for patterns that cannot be expressed via existing utilities.
 */

/* ============================================
   CSS Design Tokens (Variables)
   ============================================ */
:root {
    /* Color Palette - Primary (Indigo) */
    --color-primary-50: #eef2ff;
    --color-primary-100: #e0e7ff;
    --color-primary-200: #c7d2fe;
    --color-primary-300: #a5b4fc;
    --color-primary-400: #818cf8;
    --color-primary-500: #6366f1;
    --color-primary-600: #4f46e5;
    --color-primary-700: #4338ca;
    --color-primary-800: #3730a3;
    --color-primary-900: #312e81;

    /* Color Palette - Secondary (Gray) */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Color Palette - Success (Green) */
    --color-success-50: #f0fdf4;
    --color-success-100: #dcfce7;
    --color-success-200: #bbf7d0;
    --color-success-300: #86efac;
    --color-success-400: #4ade80;
    --color-success-500: #22c55e;
    --color-success-600: #16a34a;
    --color-success-700: #15803d;
    --color-success-800: #166534;
    --color-success-900: #14532d;

    /* Color Palette - Warning (Yellow) */
    --color-warning-50: #fffbeb;
    --color-warning-100: #fef3c7;
    --color-warning-200: #fde68a;
    --color-warning-300: #fcd34d;
    --color-warning-400: #fbbf24;
    --color-warning-500: #f59e0b;
    --color-warning-600: #d97706;
    --color-warning-700: #b45309;
    --color-warning-800: #92400e;
    --color-warning-900: #78350f;

    /* Color Palette - Danger (Red) */
    --color-danger-50: #fef2f2;
    --color-danger-100: #fee2e2;
    --color-danger-200: #fecaca;
    --color-danger-300: #fca5a5;
    --color-danger-400: #f87171;
    --color-danger-500: #ef4444;
    --color-danger-600: #dc2626;
    --color-danger-700: #b91c1c;
    --color-danger-800: #991b1b;
    --color-danger-900: #7f1d1d;

    /* Color Palette - Info (Blue) */
    --color-info-50: #eff6ff;
    --color-info-100: #dbeafe;
    --color-info-200: #bfdbfe;
    --color-info-300: #93c5fd;
    --color-info-400: #60a5fa;
    --color-info-500: #3b82f6;
    --color-info-600: #2563eb;
    --color-info-700: #1d4ed8;
    --color-info-800: #1e40af;
    --color-info-900: #1e3a8a;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 150ms;
    --transition-base: 200ms;
    --transition-slow: 300ms;
    --transition-slower: 500ms;
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in: cubic-bezier(0.4, 0, 1, 1);

    /* Typography */
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Z-index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Example customizations (uncomment when needed)
::-webkit-scrollbar {
    width: 10px;
}

@media print {
    .no-print {
        display: none !important;
    }
}

@keyframes subtle-pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.custom-focus-ring:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}
*/

[x-cloak] {
    display: none !important;
}

.notification-badge {
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    display: inline-flex;
    min-width: 1rem;
    height: 1rem;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    padding: 0 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    background-color: #ef4444;
    color: #fff;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.active-nav-link {
    border-color: #6366f1;
    color: #111827;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

@media print {

    .no-print,
    nav,
    .notification-badge,
    button {
        display: none !important;
    }
}

.custom-focus-ring:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.animate-shimmer {
    animation: shimmer 2s infinite;
}

@keyframes bounce-in {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.animate-bounce-in {
    animation: bounce-in 0.5s ease-out;
}

/* Skeleton Loading Utilities */
.skeleton {
    position: relative;
    display: block;
    width: 100%;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-text {
    height: 1rem;
}

.skeleton-title {
    height: 1.5rem;
}

.skeleton-card {
    height: 8rem;
}

.skeleton-chart {
    height: 280px;
}

.skeleton-shimmer::after {
    content: '';
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 2s infinite;
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    .skeleton-shimmer::after {
        animation: none;
    }
}

@keyframes fade-in-keyframes {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fade-out-keyframes {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

.fade-in {
    animation: fade-in-keyframes 300ms var(--ease-in-out) forwards;
}

.fade-out {
    animation: fade-out-keyframes 300ms var(--ease-in-out) forwards;
}

@media (prefers-reduced-motion: reduce) {

    .fade-in,
    .fade-out {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-muted {
    color: var(--color-gray-500);
}

.text-emphasis {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.text-primary-900 {
    color: var(--color-primary-900);
}

.text-success-900 {
    color: var(--color-success-900);
}

.text-success-700 {
    color: var(--color-success-700);
}

.text-success-600 {
    color: var(--color-success-600);
}

.text-danger-900 {
    color: var(--color-danger-900);
}

.text-danger-700 {
    color: var(--color-danger-700);
}

.text-danger-600 {
    color: var(--color-danger-600);
}

.text-danger-500 {
    color: var(--color-danger-500);
}

.heading-primary {
    font-size: 1.875rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
}

.heading-secondary {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.heading-tertiary {
    font-size: 1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
}

.section-divider {
    border-top: 1px solid var(--color-gray-200);
    margin: 2rem 0;
}

/* ============================================
   Sidebar Layout Styles
   ============================================ */

/* Sidebar Container */
.sidebar-container {
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
    will-change: width;
}

/* Sidebar Navigation Items */
.sidebar-nav-item {
    display: flex;
    align-items: center;
    transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-nav-item:hover {
    transform: translateX(2px);
}

.sidebar-nav-item.active {
    background-color: #eef2ff;
    color: #4f46e5;
    border-left: 4px solid #4f46e5;
    font-weight: 600;
}

.sidebar-nav-icon {
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
}

.sidebar-nav-text {
    margin-left: 0.75rem;
    transition: opacity 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar Collapse/Expand States */
aside {
    transition: width 300ms cubic-bezier(0.4, 0, 0.2, 1);
    overflow-x: visible;
    overflow-y: hidden;
}

/* Sidebar User Profile Section */
.sidebar-user-profile {
    padding: 1rem;
    border-top: 1px solid #e5e7eb;
    background-color: #f9fafb;
}

.sidebar-user-avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: #e0e7ff;
    color: #4f46e5;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-user-info {
    margin-left: 0.75rem;
    overflow: hidden;
}

/* Sidebar Admin Submenu */
.sidebar-submenu {
    padding-left: 1rem;
    margin-top: 0.5rem;
}

.sidebar-submenu-item {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-submenu-item:hover {
    background-color: #f3f4f6;
}

/* Main Content Area Adjustments */
.main-content-with-sidebar {
    transition: margin 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Mobile Overlay */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.5);
    z-index: 40;
    backdrop-filter: blur(4px);
}

/* Mobile FAB Menu Button */
.mobile-menu-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 50;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 9999px;
    background-color: #4f46e5;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu-fab:hover {
    background-color: #4338ca;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: scale(1.05);
}

.mobile-menu-fab:active {
    transform: scale(0.95);
}

/* Sidebar Notification Dropdown */
.sidebar-notification-dropdown {
    position: absolute;
    left: 100%;
    margin-left: 0.5rem;
    width: 20rem;
    max-height: 24rem;
    overflow-y: auto;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 9999 !important;
}

/* Sidebar Scroll Container */
.sidebar-scroll-container {
    overflow-y: auto;
    padding-bottom: 5rem;
}

/* Smooth Animations */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

/* Note: fadeIn and fadeOut keyframes are defined in the Page Transition Animations section
   for global reuse across sidebar, modals, and page transitions. */

/* Accessibility - Focus States */
.sidebar-nav-item:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

.sidebar-nav-item:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

button:focus-visible {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* Responsive Mobile Sidebar */
@media (max-width: 1023px) {
    aside {
        width: 80% !important;
        max-width: 320px !important;
        transform: translateX(0);
        animation: slideInLeft 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    aside.hidden {
        transform: translateX(-100%);
        animation: slideOutLeft 300ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-content-with-sidebar {
        margin-left: 0 !important;
    }
}

/* Desktop Sidebar Behavior */
@media (min-width: 1024px) {
    aside {
        display: flex !important;
    }

    .mobile-menu-fab {
        display: none !important;
    }

    .sidebar-overlay {
        display: none !important;
    }
}

/* Print Styles */
@media print {

    .sidebar-container,
    aside,
    .mobile-menu-fab,
    .sidebar-overlay {
        display: none !important;
    }

    main {
        margin-left: 0 !important;
        max-width: 100% !important;
    }
}

/* ============================================
   Form Elements - Design System
   ============================================ */

/* Base Input Field */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background-color: #ffffff;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) var(--ease-in-out);
    outline: none;
}

.form-input:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus {
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-input.error {
    border-color: var(--color-danger-500);
    background-color: var(--color-danger-50);
}

.form-input.success {
    border-color: var(--color-success-500);
    background-color: var(--color-success-50);
}

/* Input Size Variants */
.form-input-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

.form-input-lg {
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
}

/* Textarea */
.form-textarea {
    width: 100%;
    min-height: 120px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: #ffffff;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) var(--ease-in-out);
    outline: none;
    resize: vertical;
}

.form-textarea:hover {
    border-color: var(--color-gray-400);
}

.form-textarea:focus {
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-textarea-sm {
    min-height: 80px;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
}

.form-textarea-lg {
    min-height: 180px;
    padding: 1rem 1.25rem;
    font-size: 1.125rem;
}

/* Select Dropdown */
.form-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 1rem;
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236b7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1.25rem 1.25rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base) var(--ease-in-out);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

.form-select:hover {
    border-color: var(--color-gray-400);
}

.form-select:focus {
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-select:disabled {
    background-color: var(--color-gray-100);
    color: var(--color-gray-400);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-select-sm {
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    font-size: 0.875rem;
}

.form-select-lg {
    padding: 1rem 2.5rem 1rem 1.25rem;
    font-size: 1.125rem;
}

.form-input-error {
    border-color: var(--color-danger-400) !important;
    background-color: var(--color-danger-50) !important;
    box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.15);
}

.form-input-success {
    border-color: var(--color-success-400) !important;
    background-color: var(--color-success-50) !important;
    box-shadow: 0 0 0 2px rgba(74, 222, 128, 0.15);
}

.form-label-required {
    color: inherit;
}

.form-label-required::after {
    content: ' *';
    color: var(--color-danger-500);
}

.form-helper-error {
    color: var(--color-danger-600);
    font-size: 0.875rem;
}

.form-helper-success {
    color: var(--color-success-600);
    font-size: 0.875rem;
}

/* Checkbox */
.form-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-base) var(--ease-in-out);
    cursor: pointer;
    accent-color: var(--color-primary-600);
}

.form-checkbox:checked {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.form-checkbox:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-checkbox:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Radio Button */
.form-radio {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-300);
    border-radius: 50%;
    transition: all var(--transition-base) var(--ease-in-out);
    cursor: pointer;
    accent-color: var(--color-primary-600);
}

.form-radio:checked {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.form-radio:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-radio:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

/* Form Labels */
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger-500);
}

/* Helper and Error Text */
.form-helper-text {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.form-error-text {
    font-size: 0.875rem;
    color: var(--color-danger-600);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
}

/* Note: Error icon should be added via markup using Heroicons rather than CSS pseudo-element.
   Example: <span class="form-error-text"><svg class="w-4 h-4 mr-1.5"><!-- Heroicon --></svg>Error message</span>
   The flex layout above ensures proper alignment when an icon is added as the first child. */

/* ============================================
   Button Components - Design System
   ============================================ */

/* Base Button */
.btn,
.btn-primary,
.btn-secondary,
.btn-success,
.btn-danger,
.btn-warning,
.btn-outline,
.btn-outline-primary,
.btn-outline-secondary,
.btn-outline-danger,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-base) var(--ease-in-out);
    outline: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Size Variants */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-xs {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Primary Button */
.btn-primary {
    background-color: var(--color-primary-600);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--color-primary-700);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px) scale(1.02);
}

.btn-primary:active {
    background-color: var(--color-primary-800);
    transform: translateY(0) scale(0.98);
}

.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

/* Secondary Button */
.btn-secondary {
    background-color: #ffffff;
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-secondary:active {
    background-color: var(--color-gray-100);
}

.btn-secondary:focus {
    box-shadow: 0 0 0 3px rgba(156, 163, 175, 0.2);
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-danger-600);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    background-color: var(--color-danger-700);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-danger:active {
    background-color: var(--color-danger-800);
    transform: translateY(0);
}

.btn-danger:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.3);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success-600);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    background-color: var(--color-success-700);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-success:active {
    background-color: var(--color-success-800);
    transform: translateY(0);
}

.btn-success:focus {
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.3);
}

/* Warning Button */
.btn-warning {
    background-color: var(--color-warning-500);
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

.btn-warning:hover {
    background-color: var(--color-warning-600);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

.btn-warning:active {
    background-color: var(--color-warning-700);
    transform: translateY(0);
}

.btn-warning:focus {
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gray-700);
    border-color: var(--color-gray-300);
}

.btn-outline:hover {
    background-color: var(--color-gray-50);
}

.btn-outline:active {
    background-color: var(--color-gray-100);
}

/* Outline Button Variants */
.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.btn-outline-primary:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.btn-outline-primary:active {
    background-color: var(--color-primary-100);
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--color-gray-600);
    border-color: var(--color-gray-600);
}

.btn-outline-secondary:hover {
    background-color: var(--color-gray-50);
    color: var(--color-gray-700);
}

.btn-outline-secondary:active {
    background-color: var(--color-gray-100);
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--color-danger-600);
    border-color: var(--color-danger-600);
}

.btn-outline-danger:hover {
    background-color: var(--color-danger-50);
    color: var(--color-danger-700);
}

.btn-outline-danger:active {
    background-color: var(--color-danger-100);
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-gray-700);
    border-color: transparent;
    box-shadow: none;
}

.btn-ghost:hover {
    background-color: var(--color-gray-100);
}

.btn-ghost:active {
    background-color: var(--color-gray-200);
}

/* Icon Buttons */
.btn-icon {
    padding: 0.75rem;
    width: 2.75rem;
    height: 2.75rem;
}

.btn-icon-sm {
    padding: 0.5rem;
    width: 2rem;
    height: 2rem;
}

.btn-icon-lg {
    padding: 1rem;
    width: 3.5rem;
    height: 3.5rem;
}

/* Button group for action buttons in tables */
.btn-group {
    display: inline-flex;
    gap: 0.5rem;
}

.btn-group .btn {
    flex-shrink: 0;
}

/* Ensure buttons in groups have consistent sizing */
.btn-group .btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-ghost-primary {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: transparent;
}

.btn-ghost-primary:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.btn-ghost-danger {
    background-color: transparent;
    color: var(--color-danger-600);
    border-color: transparent;
}

.btn-ghost-danger:hover {
    background-color: var(--color-danger-50);
    color: var(--color-danger-700);
}

.btn-ghost-success {
    background-color: transparent;
    color: var(--color-success-600);
    border-color: transparent;
}

.btn-ghost-success:hover {
    background-color: var(--color-success-50);
    color: var(--color-success-700);
}

.btn-disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Pagination container */
.pagination {
    display: inline-flex;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    isolation: isolate;
}

.pagination .btn {
    border: 1px solid var(--color-gray-300);
}

.pagination .btn:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.pagination .btn:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.pagination .btn:not(:first-child):not(:last-child) {
    border-radius: 0;
    border-left: 0;
}

.pagination .btn-active {
    background-color: #eef2ff;
    color: #4338ca;
    border-color: #c7d2fe;
    z-index: 10;
}

/* ============================================
   Card Components - Design System
   ============================================ */

/* Base Card */
.card {
    background-color: #ffffff;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base) var(--ease-in-out);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-gray-300);
    transform: translateY(-2px);
}

/* Card Sections */
.card-header {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-gray-100);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.card-body {
    padding: 0;
}

.card-footer {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 2px solid var(--color-gray-100);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

/* Card Variants */
.card-elevated {
    box-shadow: var(--shadow-lg);
    border: none;
}

.card-elevated:hover {
    box-shadow: var(--shadow-xl);
}

.card-flat {
    box-shadow: none;
    border: 2px solid var(--color-gray-200);
}

.card-flat:hover {
    box-shadow: none;
    border-color: var(--color-gray-300);
}

.card-gradient {
    background: linear-gradient(180deg, #ffffff 0%, var(--color-gray-50) 100%);
    border: none;
    box-shadow: var(--shadow-md);
}

.card-gradient-subtle {
    background: linear-gradient(135deg, #ffffff 0%, var(--color-gray-50) 100%);
}

.card-gradient-primary {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, #ffffff 100%);
}

.card-gradient-warning {
    background: linear-gradient(135deg, var(--color-warning-50) 0%, #ffffff 100%);
}

.card-gradient-success {
    background: linear-gradient(135deg, var(--color-success-50) 0%, #ffffff 100%);
}

.card-gradient-danger {
    background: linear-gradient(135deg, var(--color-danger-50) 0%, #ffffff 100%);
}

.card-gradient-info {
    background: linear-gradient(135deg, var(--color-info-50) 0%, #ffffff 100%);
}

.card-gradient-purple {
    background: linear-gradient(135deg, rgba(147, 51, 234, 0.08) 0%, rgba(236, 72, 153, 0.12) 100%);
    color: var(--color-gray-900);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px) scale(1.02);
}

.card-interactive:active {
    transform: translateY(-2px) scale(0.98);
}

.chart-container {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem;
    background-color: var(--color-gray-50);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.stat-card-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-sm);
}

/* Card Size Variants */
.card-sm {
    padding: 1rem;
}

.card-lg {
    padding: 2rem;
}

.card-compact {
    padding: 1.25rem;
}

.card-spacing-responsive-lg {
    padding: 1.5rem;
}

.card-spacing-responsive-xl {
    padding: 1.5rem;
}

@media (min-width: 768px) {
    .card-spacing-responsive-lg {
        padding: 2rem;
    }

    .card-spacing-responsive-xl {
        padding: 2.5rem;
    }
}

.card-dropzone {
    padding: 2rem;
}

@media (min-width: 640px) {
    .card-dropzone {
        padding: 2.5rem;
    }
}

/* ============================================
   Badge Components - Design System
   ============================================ */

/* Base Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}

/* Badge Size Variants */
.badge-sm {
    padding: 0.125rem 0.5rem;
    font-size: 0.625rem;
}

.badge-lg {
    padding: 0.375rem 1rem;
    font-size: 0.875rem;
}

/* Badge Color Variants */
.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-800);
    border-color: var(--color-primary-200);
}

.badge-secondary {
    background-color: var(--color-gray-100);
    color: var(--color-gray-800);
    border-color: var(--color-gray-200);
}

.badge-success {
    background-color: var(--color-success-100);
    color: var(--color-success-800);
    border-color: var(--color-success-200);
}

.badge-warning {
    background-color: var(--color-warning-100);
    color: var(--color-warning-800);
    border-color: var(--color-warning-200);
}

.badge-danger {
    background-color: var(--color-danger-100);
    color: var(--color-danger-800);
    border-color: var(--color-danger-200);
}

.badge-info {
    background-color: var(--color-info-100);
    color: var(--color-info-800);
    border-color: var(--color-info-200);
}

/* Badge Outline Variants */
.badge-outline-primary {
    background-color: transparent;
    color: var(--color-primary-600);
    border: 2px solid var(--color-primary-600);
}

.badge-outline-secondary {
    background-color: transparent;
    color: var(--color-gray-600);
    border: 2px solid var(--color-gray-600);
}

.badge-outline-success {
    background-color: transparent;
    color: var(--color-success-600);
    border: 2px solid var(--color-success-600);
}

.badge-outline-danger {
    background-color: transparent;
    color: var(--color-danger-600);
    border: 2px solid var(--color-danger-600);
}

.badge-outline {
    background-color: transparent;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-300);
}

.badge-soft {
    border-color: transparent;
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.badge-soft.badge-neutral {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
}

.badge-soft.badge-primary {
    background-color: var(--color-primary-50);
    color: var(--color-primary-700);
}

.badge-outline.badge-light {
    background-color: transparent;
    color: var(--color-gray-600);
    border: 1px dashed var(--color-gray-300);
}

/* Badge with Dot Indicator */
.badge-dot::before {
    content: '';
    display: inline-block;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    margin-right: 0.375rem;
    background-color: currentColor;
}

/* Badge Pill Variant */
.badge-pill {
    border-radius: 1rem;
}

/* Status Badge Variants for Invoice Statuses */
.status-badge-pending {
    background-color: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.status-badge-approved {
    background-color: var(--color-success-100);
    color: var(--color-success-800);
    border-color: var(--color-success-200);
}

.status-badge-rejected {
    background-color: var(--color-danger-100);
    color: var(--color-danger-800);
    border-color: var(--color-danger-200);
}

.status-badge-draft {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
    border-color: var(--color-gray-200);
}

.status-badge-processing {
    background-color: var(--color-info-100);
    color: var(--color-info-800);
    border-color: var(--color-info-200);
}

.badge-status-uploaded {
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.badge-status-pending {
    background-color: var(--color-warning-100);
    color: var(--color-warning-800);
    border-color: var(--color-warning-200);
}

.badge-status-approved {
    background-color: var(--color-success-100);
    color: var(--color-success-800);
    border-color: var(--color-success-200);
}

.badge-status-rejected {
    background-color: var(--color-danger-100);
    color: var(--color-danger-800);
    border-color: var(--color-danger-200);
}

.badge-status-paid {
    background-color: var(--color-info-100);
    color: var(--color-info-800);
    border-color: var(--color-info-200);
}

.badge-status-processing {
    background-color: var(--color-warning-50);
    color: var(--color-warning-700);
    border-color: var(--color-warning-200);
}

.badge-with-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    line-height: 1.25;
}

.badge-with-icon svg {
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
}

/* Status indicator dot in badges */
.badge-status-dot {
    height: 0.5rem;
    width: 0.5rem;
    border-radius: 9999px;
    flex-shrink: 0;
}

.badge-status-active {
    background-color: var(--color-success-100);
    color: var(--color-success-800);
    border-color: var(--color-success-200);
}

.badge-status-active .badge-status-dot {
    background-color: var(--color-success-500);
}

.badge-status-inactive {
    background-color: var(--color-danger-100);
    color: var(--color-danger-800);
    border-color: var(--color-danger-200);
}

.badge-status-inactive .badge-status-dot {
    background-color: var(--color-danger-500);
}

.badge-purple {
    background-color: rgba(147, 51, 234, 0.1);
    color: rgba(147, 51, 234, 0.8);
    border-color: rgba(147, 51, 234, 0.2);
}

.badge-soft.badge-purple {
    background-color: rgba(147, 51, 234, 0.1);
    color: rgba(147, 51, 234, 0.8);
}

/* ============================================
   Utility Classes - Spacing
   ============================================ */

/* Vertical Spacing */
.space-y-2>*+* {
    margin-top: 0.5rem;
}

.space-y-4>*+* {
    margin-top: 1rem;
}

.space-y-6>*+* {
    margin-top: 1.5rem;
}

.space-y-8>*+* {
    margin-top: 2rem;
}

/* Horizontal Spacing */
.space-x-2>*+* {
    margin-left: 0.5rem;
}

.space-x-4>*+* {
    margin-left: 1rem;
}

.space-x-6>*+* {
    margin-left: 1.5rem;
}

.space-x-8>*+* {
    margin-left: 2rem;
}

/* Gap Utilities for Flexbox/Grid */
.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.gap-8 {
    gap: 2rem;
}

.filter-panel-spacing {
    gap: 1.5rem;
}

/* ============================================
   Utility Classes - Borders
   ============================================ */

/* Border Width - Compatible with Tailwind border-* color utilities */
.border-2 {
    border-width: 2px;
    border-style: solid;
}

.border-t-2 {
    border-top-width: 2px;
    border-top-style: solid;
}

.border-b-2 {
    border-bottom-width: 2px;
    border-bottom-style: solid;
}

.border-l-2 {
    border-left-width: 2px;
    border-left-style: solid;
}

.border-r-2 {
    border-right-width: 2px;
    border-right-style: solid;
}

/* Design System Default Border Colors - Use these when you want the design system's default gray border */
.border-default {
    border-color: var(--color-gray-200);
}

.border-t-default {
    border-top-color: var(--color-gray-200);
}

.border-b-default {
    border-bottom-color: var(--color-gray-200);
}

.border-l-default {
    border-left-color: var(--color-gray-200);
}

.border-r-default {
    border-right-color: var(--color-gray-200);
}

.border-muted {
    border-color: var(--color-gray-300);
}

.border-t-muted {
    border-top-color: var(--color-gray-300);
}

.border-b-muted {
    border-bottom-color: var(--color-gray-300);
}

.border-l-muted {
    border-left-color: var(--color-gray-300);
}

.border-r-muted {
    border-right-color: var(--color-gray-300);
}

/* Border Colors */
.border-primary {
    border-color: var(--color-primary-600);
}

.border-secondary {
    border-color: var(--color-gray-400);
}

.border-success {
    border-color: var(--color-success-600);
}

.border-danger {
    border-color: var(--color-danger-600);
}

.border-warning {
    border-color: var(--color-warning-500);
}

/* Border Radius */
.rounded-sm {
    border-radius: var(--radius-sm);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-2xl {
    border-radius: var(--radius-2xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

/* ============================================
   Utility Classes - Shadows
   ============================================ */

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

.shadow-2xl {
    box-shadow: var(--shadow-2xl);
}

.shadow-inner {
    box-shadow: var(--shadow-inner);
}

.shadow-none {
    box-shadow: none;
}

/* Hover Shadow Variants */
.hover\:shadow-sm:hover {
    box-shadow: var(--shadow-sm);
}

.hover\:shadow-md:hover {
    box-shadow: var(--shadow-md);
}

.hover\:shadow-lg:hover {
    box-shadow: var(--shadow-lg);
}

.hover\:shadow-xl:hover {
    box-shadow: var(--shadow-xl);
}

.hover\:shadow-2xl:hover {
    box-shadow: var(--shadow-2xl);
}

.hover\:shadow-none:hover {
    box-shadow: none;
}

/* ============================================
   Utility Classes - Transitions
   ============================================ */

.transition-all {
    transition-property: all;
    transition-timing-function: var(--ease-in-out);
    transition-duration: var(--transition-base);
}

.transition-colors {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-timing-function: var(--ease-in-out);
    transition-duration: var(--transition-base);
}

.transition-transform {
    transition-property: transform;
    transition-timing-function: var(--ease-in-out);
    transition-duration: var(--transition-base);
}

.transition-opacity {
    transition-property: opacity;
    transition-timing-function: var(--ease-in-out);
    transition-duration: var(--transition-base);
}

.transition-shadow {
    transition-property: box-shadow;
    transition-timing-function: var(--ease-in-out);
    transition-duration: var(--transition-base);
}

/* Transition Durations */
.duration-fast {
    transition-duration: var(--transition-fast);
}

.duration-base {
    transition-duration: var(--transition-base);
}

.duration-200 {
    transition-duration: 200ms;
}

.duration-300 {
    transition-duration: 300ms;
}

.duration-slow {
    transition-duration: var(--transition-slow);
}

.duration-slower {
    transition-duration: var(--transition-slower);
}

/* Transition Timing Functions */
.ease-in-out {
    transition-timing-function: var(--ease-in-out);
}

.ease-out {
    transition-timing-function: var(--ease-out);
}

.ease-in {
    transition-timing-function: var(--ease-in);
}

/* Smooth transitions for table content updates */
.table-transition {
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}

.table-transition-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.table-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
}

.table-transition-exit {
    opacity: 1;
    transform: translateY(0);
}

.table-transition-exit-active {
    opacity: 0;
    transform: translateY(10px);
}

/* ============================================
   Utility Classes - Interactive States
   ============================================ */

.hover-lift {
    transition: transform var(--transition-base) var(--ease-in-out), box-shadow var(--transition-base) var(--ease-in-out);
    box-shadow: var(--shadow-md);
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: transform var(--transition-base) var(--ease-in-out);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-scale-sm {
    transition: transform var(--transition-base) var(--ease-in-out);
}

.hover-scale-sm:hover {
    transform: scale(1.02);
}

.active-scale:active {
    transform: scale(0.98);
}

.table-row-hover {
    transition: background-color var(--transition-base) var(--ease-in-out), box-shadow var(--transition-base) var(--ease-in-out), transform var(--transition-base) var(--ease-in-out);
}

.table-row-hover:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.table-border-strong {
    border-width: 2px;
    border-color: var(--color-gray-200);
}

.table-footer-bold td {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

.table-cell-compact {
    padding: 0.5rem 1rem;
}

.table-header-gradient {
    background: linear-gradient(90deg, var(--color-gray-50) 0%, var(--color-gray-100) 100%);
    color: var(--color-gray-600);
}

@media (prefers-reduced-motion: reduce) {

    .hover-lift:hover,
    .table-row-hover:hover {
        transform: none !important;
    }

    .table-row-hover:hover {
        box-shadow: none !important;
    }

    .hover-lift:hover {
        box-shadow: var(--shadow-md);
    }
}

/* Table-specific hover and interaction styles */
.table-container {
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-300) transparent;
}

.table-container::-webkit-scrollbar {
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: transparent;
}

.table-container::-webkit-scrollbar-thumb {
    background-color: var(--color-gray-300);
    border-radius: var(--radius-full);
}

.table-container::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-gray-400);
}

/* Focus Ring Utilities */
.focus-ring:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.focus-ring-danger:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.3);
}

.focus-ring-success:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.3);
}

/* ============================================
   Utility Classes - Gradients
   ============================================ */

.gradient-primary {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
}

.gradient-secondary {
    background: linear-gradient(135deg, var(--color-gray-600) 0%, var(--color-gray-800) 100%);
}

.gradient-success {
    background: linear-gradient(135deg, var(--color-success-600) 0%, var(--color-success-800) 100%);
}

.gradient-danger {
    background: linear-gradient(135deg, var(--color-danger-600) 0%, var(--color-danger-800) 100%);
}

.gradient-purple {
    background: linear-gradient(135deg, #9333ea 0%, #ec4899 100%);
}

.gradient-blue {
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
}

.gradient-subtle {
    background: linear-gradient(180deg, #ffffff 0%, var(--color-gray-50) 100%);
}

/* ============================================
   Responsive Behavior
   ============================================ */

.responsive-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.responsive-table th,
.responsive-table td {
    padding: 1rem 1.5rem;
}

/* Mobile Adjustments (max-width: 640px) */
@media (max-width: 640px) {
    .card {
        padding: 1rem;
    }

    .card-lg {
        padding: 1.25rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }

    .btn-lg {
        padding: 0.875rem 1.75rem;
        font-size: 1rem;
    }

    .form-input,
    .form-textarea,
    .form-select {
        padding: 0.625rem 0.875rem;
        font-size: 0.9375rem;
    }

    .responsive-table th,
    .responsive-table td {
        padding: 0.5rem 0.75rem;
    }
}

/* Tablet Adjustments (min-width: 768px) */
@media (min-width: 768px) {
    .card-header {
        font-size: 1.25rem;
    }

    .responsive-table th,
    .responsive-table td {
        padding: 0.75rem 1rem;
    }
}

/* Desktop Adjustments (min-width: 1024px) */
@media (min-width: 1024px) {
    .card:hover {
        transform: translateY(-4px);
    }

    .card-interactive:hover {
        transform: translateY(-6px) scale(1.02);
    }

    .responsive-table th,
    .responsive-table td {
        padding: 1rem 1.5rem;
    }
}

/* ============================================
   Accessibility - Focus and Motion
   ============================================ */

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Ensure All Interactive Elements Have Visible Focus States */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary-600);
    outline-offset: 2px;
}

/* ============================================
   Additional Utilities & Animations
   ============================================ */

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

.animate-shake {
    animation: shake 600ms var(--ease-in-out) infinite;
}

.animate-shake-once {
    animation: shake 400ms var(--ease-in-out) 1;
}

@keyframes checkmark {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }

    60% {
        transform: scale(1.05);
        opacity: 1;
    }

    100% {
        transform: scale(1);
    }
}

.animate-checkmark {
    animation: checkmark 500ms var(--ease-out);
}

.success-icon {
    color: var(--color-success-600);
}

.drop-zone-active {
    border-color: var(--color-primary-500) !important;
    background-color: var(--color-primary-50) !important;
    box-shadow: var(--shadow-xl);
}

.drop-zone-hover {
    border-color: var(--color-gray-200);
    background-color: rgba(255, 255, 255, 0.85);
}

.drop-zone-error {
    border-color: var(--color-danger-400) !important;
    background-color: var(--color-danger-50) !important;
}

.stage-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: all var(--transition-base) var(--ease-in-out);
}

.stage-indicator-pending {
    background-color: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.7);
}

.stage-indicator-active {
    background-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.stage-indicator-complete {
    background-color: rgba(16, 185, 129, 0.15);
    color: #ffffff;
}

/* Enhanced Extraction Stage Animations */
.stage-item {
    position: relative;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stage-item.stage-active {
    opacity: 1;
    transform: translateX(0);
}

.stage-item.stage-complete {
    opacity: 1;
}

.stage-badge {
    position: relative;
    z-index: 1;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.stage-badge-active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite, pulse-glow 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5), 0 0 40px rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

.stage-badge-complete {
    background: linear-gradient(135deg, var(--color-success-500), var(--color-success-600));
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    transform: scale(1);
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.5), 0 0 40px rgba(99, 102, 241, 0.3);
        transform: scale(1.05);
    }

    50% {
        box-shadow: 0 0 30px rgba(99, 102, 241, 0.7), 0 0 60px rgba(99, 102, 241, 0.5);
        transform: scale(1.08);
    }
}

@keyframes progress-bar {
    0% {
        width: 0%;
        opacity: 0.8;
    }

    50% {
        width: 70%;
        opacity: 1;
    }

    100% {
        width: 100%;
        opacity: 0.9;
    }
}

.animate-progress-bar {
    animation: progress-bar 2s ease-in-out infinite;
}

/* Stage item slide-in animation */
@keyframes slide-in-stage {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.stage-item {
    animation: slide-in-stage 0.5s ease-out;
}

.stage-item:nth-child(1) {
    animation-delay: 0.1s;
}

.stage-item:nth-child(2) {
    animation-delay: 0.2s;
}

.stage-item:nth-child(3) {
    animation-delay: 0.3s;
}

.stage-item:nth-child(4) {
    animation-delay: 0.4s;
}

/* Enhanced active stage indicator */
.stage-active .stage-badge-active::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    background: linear-gradient(135deg, #818cf8, #a78bfa, #f472b6);
    opacity: 0.3;
    z-index: -1;
    animation: rotate-border 3s linear infinite;
    filter: blur(8px);
}

@keyframes rotate-border {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Smooth color transitions for stage text */
.stage-item p {
    transition: color 0.3s ease, transform 0.3s ease;
}

.stage-active p {
    transform: translateX(4px);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {

    .stage-badge-active,
    .animate-progress-bar,
    .stage-item {
        animation: none;
    }

    .stage-badge-active {
        background: var(--color-primary-500);
    }
}

.modal-scale-in {
    animation: scaleIn 300ms var(--ease-out);
}

.modal-fade-out {
    animation: fadeOut 250ms var(--ease-in);
}

.modal-enter {
    animation: fadeIn 250ms var(--ease-out);
}

.modal-leave {
    animation: fadeOut 250ms var(--ease-in);
}

@keyframes scaleIn {
    from {
        transform: scale(0.95);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.btn-loading {
    position: relative;
    pointer-events: none;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999px;
    border: 2px solid currentColor;
    border-bottom-color: transparent;
    border-left-color: transparent;
    animation: spin 0.9s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.skeleton-button {
    height: 2.75rem;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-200);
    position: relative;
}

.skeleton-text {
    height: 1rem;
    border-radius: var(--radius-full);
    background-color: var(--color-gray-200);
}

.heading-primary,
.heading-secondary,
.heading-tertiary,
.text-muted {
    transition: color var(--transition-base) var(--ease-in-out);
}

/* Modal backdrop blur effect */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

/* Modal container animations */
.modal-container {
    background-color: #ffffff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Modal exit animation (use with Alpine.js x-transition) */
.modal-exit {
    animation: modalSlideOut 0.2s ease-in;
}

@keyframes modalSlideOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }

    to {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
}

/* Skeleton loading for table rows */
.skeleton-table-row {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.skeleton-table-cell {
    background-color: var(--color-gray-200);
    border-radius: var(--radius-md);
    height: 1rem;
    animation: shimmer 1.5s infinite;
}

/**
 * Skeleton table cell width variants.
 * Note: These classes only control width. They must be used in combination with
 * .skeleton-table-cell to get the full styling (background, border-radius, height, animation).
 * Example: <div class="skeleton-table-cell skeleton-table-cell-wide"></div>
 */
.skeleton-table-cell-wide {
    width: 80%;
}

.skeleton-table-cell-medium {
    width: 60%;
}

.skeleton-table-cell-narrow {
    width: 40%;
}

/* Loading bar for filter/pagination transitions */
.loading-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0.25rem;
    background-color: var(--color-primary-600);
    animation: loadingBar 1s ease-in-out infinite;
    transform-origin: left;
}

@keyframes loadingBar {
    0% {
        transform: scaleX(0);
    }

    50% {
        transform: scaleX(0.5);
    }

    100% {
        transform: scaleX(1);
        opacity: 0;
    }
}

/* Empty state styling for tables */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    text-align: center;
}

.empty-state-icon {
    height: 3rem;
    width: 3rem;
    color: var(--color-gray-400);
    margin-bottom: 1rem;
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.empty-state-description {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    max-width: 28rem;
}

/* Form helper text */
.form-helper {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.875rem;
    color: var(--color-danger-600);
    margin-top: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {

    .modal-container,
    .modal-backdrop,
    .table-transition,
    .loading-bar {
        animation: none !important;
        transition: none !important;
    }
}

/* ============================================
   Landing Page Specific Utilities
   ============================================ */

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Scroll margin for anchor links */
.scroll-mt-20 {
    scroll-margin-top: 5rem;
}

/* Hero gradient utilities */
.hero-gradient-modern {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(139, 92, 246, 0.85) 50%, rgba(59, 130, 246, 0.9) 100%);
}

.hero-gradient-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.hero-section-bg {
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
}

/* Enhanced gradient utilities */
.gradient-indigo-purple {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, rgba(147, 51, 234, 1) 100%);
}

.gradient-indigo-blue {
    background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-info-600) 100%);
}

.gradient-dark-indigo {
    background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
}

.gradient-radial-indigo {
    background: radial-gradient(circle at center, var(--color-primary-600), var(--color-primary-800));
}

/* Glassmorphism utilities */
.glass-card {
    background: rgba(255, 255, 255, 0.09);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.glass-card-light {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-border {
    border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Landing-specific card enhancements */
.feature-card-hover {
    transition: all var(--transition-base) var(--ease-in-out);
}

.feature-card-hover:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.stat-card-gradient {
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    text-align: center;
}

.competency-card {
    background: linear-gradient(135deg, var(--color-primary-100) 0%, var(--color-primary-200) 100%);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base) var(--ease-in-out);
}

.competency-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}

/* Button variants for landing */
.btn-outline-white {
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: #ffffff;
}

.btn-outline-white:active {
    background-color: rgba(255, 255, 255, 0.2);
}

.btn-hero-primary {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    background-color: #ffffff;
    color: var(--color-primary-600);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
}

.btn-hero-primary:hover {
    background-color: var(--color-primary-50);
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px) scale(1.02);
}

.btn-hero-secondary {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    background-color: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    border-radius: var(--radius-lg);
}

.btn-hero-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
}

/* Typography utilities */
.hero-title {
    font-size: 2.25rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: #ffffff;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-primary-100);
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.section-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* Marquee animation utilities */
.marquee-container {
    position: relative;
    overflow: hidden;
    padding: 1rem 0;
}

.marquee-track {
    display: flex;
    gap: 5rem;
    animation: marquee-slide 30s linear infinite;
    width: fit-content;
    will-change: transform;
}

@keyframes marquee-slide {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .marquee-track {
        animation: none;
    }
}

/* Global modal backdrop blur - consolidated definition (used by landing and invoice views) */
.modal-backdrop-blur {
    background-color: rgba(17, 24, 39, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* Modal enhancements for landing */

.modal-content-landing {
    background-color: #ffffff;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 32rem;
    width: 100%;
}

/* Responsive utilities for landing */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .btn-hero-primary,
    .btn-hero-secondary {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* Performance optimizations */
.feature-card-hover,
.competency-card,
.marquee-track {
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {

    .feature-card-hover:hover,
    .competency-card:hover {
        transform: none !important;
    }
}

/* ============================================
   Page Transition Animations
   ============================================ */

/**
 * Page transition animations for smooth navigation between routes.
 * Usage: Add .page-fade-in to main content areas, .page-fade-out for exit transitions.
 */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes pageSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-fade-in {
    animation: fadeIn 300ms var(--ease-in-out) forwards;
    will-change: opacity;
}

.page-fade-out {
    animation: fadeOut 200ms var(--ease-in-out) forwards;
    will-change: opacity;
}

.page-slide-up {
    animation: pageSlideUp 300ms var(--ease-in-out) forwards;
    will-change: transform, opacity;
}

/* ============================================
   Toast Notification Animations
   ============================================ */

/**
 * Toast notification system with slide-in/out animations.
 * Usage: Apply .toast-notification as base class, then add .toast-slide-in on mount,
 * .toast-slide-out before removal, and appropriate color variant (.toast-success, .toast-error, etc.).
 * Example: <div class="toast-notification toast-slide-in toast-success">Message</div>
 */

@keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideOutToTop {
    from {
        transform: translateY(0);
        opacity: 1;
    }

    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

.toast-notification {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: var(--z-popover);
    min-width: 20rem;
    max-width: 28rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    will-change: transform, opacity;
}

.toast-slide-in {
    animation: slideInFromTop 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast-slide-out {
    animation: slideOutToTop 300ms var(--ease-in) forwards;
}

.toast-shake {
    animation: shake 400ms var(--ease-in-out) 1;
}

/* Toast color variants */
.toast-success {
    background-color: var(--color-success-50);
    color: var(--color-success-900);
    border: 1px solid var(--color-success-200);
}

.toast-error {
    background-color: var(--color-danger-50);
    color: var(--color-danger-900);
    border: 1px solid var(--color-danger-200);
}

.toast-warning {
    background-color: var(--color-warning-50);
    color: var(--color-warning-900);
    border: 1px solid var(--color-warning-200);
}

.toast-info {
    background-color: var(--color-info-50);
    color: var(--color-info-900);
    border: 1px solid var(--color-info-200);
}

/* ============================================
   Enhanced Button Hover Effects
   ============================================ */

/**
 * Enhanced button hover effects with scale, lift, and glow animations.
 * Usage: Add .btn-hover-scale, .btn-hover-lift, or .btn-hover-glow to button elements.
 * The base .btn class already includes transitions, these add specific hover behaviors.
 */

.btn {
    transition: all var(--transition-base) var(--ease-in-out);
}

.btn-hover-scale:hover {
    transform: scale(1.02);
}

.btn-hover-scale:active {
    transform: scale(0.98);
}

.btn-hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-hover-lift:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-hover-glow:hover {
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2), var(--shadow-lg);
}

.btn-hover-glow:active {
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2), var(--shadow-md);
}

/* ============================================
   Loading State Animations
   ============================================ */

/**
 * Loading state animations for feedback during async operations.
 * Usage: .pulse-slow for subtle loading indicators, .pulse-fast for urgent states,
 * .loading-dots for three-dot indicators, .loading-spinner for circular spinners.
 */

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1);
    }
}

.pulse-slow {
    animation: pulse 2s var(--ease-in-out) infinite;
    will-change: opacity;
}

.pulse-fast {
    animation: pulse 1s var(--ease-in-out) infinite;
    will-change: opacity;
}

.loading-dots {
    display: inline-flex;
    gap: 0.5rem;
    align-items: center;
    position: relative;
}

.loading-dots::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: currentColor;
    animation: dotPulse 1.4s var(--ease-in-out) infinite;
    animation-delay: 0s;
}

.loading-dots::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background-color: currentColor;
    animation: dotPulse 1.4s var(--ease-in-out) infinite;
    animation-delay: 0.7s;
}

.loading-spinner {
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    will-change: transform;
}

/* ============================================
   Enhanced Card Hover Effects
   ============================================ */

/**
 * Enhanced card hover effects with lift, glow, and tilt animations.
 * Usage: Add .card-hover-lift, .card-hover-glow, or .card-hover-tilt to card elements.
 */

.card-hover-lift:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-xl);
}

.card-hover-lift:active {
    transform: translateY(-2px) scale(1);
    box-shadow: var(--shadow-lg);
}

.card-hover-glow:hover {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-lg);
}

.card-hover-tilt:hover {
    transform: perspective(1000px) rotateX(2deg) rotateY(-2deg) translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-interactive {
    transition: all var(--transition-base) var(--ease-in-out);
}

/* ============================================
   Table and Interactive Element Enhancements
   ============================================ */

/**
 * Enhanced table cell and interactive element hover effects.
 * Usage: Apply .table-cell-hover to table cells, .interactive-scale to clickable elements,
 * .focus-glow for enhanced focus states, .ripple-effect for click feedback (requires JS).
 */

.table-cell-hover:hover {
    background-color: var(--color-gray-50);
    transition: background-color var(--transition-base) var(--ease-in-out);
}

.interactive-scale {
    transition: transform var(--transition-base) var(--ease-in-out);
    cursor: pointer;
}

.interactive-scale:hover {
    transform: scale(1.02);
}

.interactive-scale:active {
    transform: scale(0.98);
}

/**
 * Note: focusGlow intentionally animates box-shadow (not just transform/opacity)
 * to provide clear visual feedback for focus states. This is an intentional exception
 * to the transform/opacity-only guideline for better accessibility and UX.
 */
.focus-glow:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    animation: focusGlow 0.3s var(--ease-out);
}

@keyframes focusGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.3);
    }

    100% {
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
    }
}

.ripple-effect {
    position: relative;
    overflow: hidden;
}

.ripple-effect::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple-effect:active::after {
    width: 300px;
    height: 300px;
}

/* ============================================
   Form Validation Feedback Enhancements
   ============================================ */

/**
 * Enhanced form validation feedback with pulse and shake animations.
 * Usage: Add .input-success-pulse for valid inputs, .input-error-shake for errors,
 * .validation-icon-enter for validation icon appearance.
 * 
 * Note: borderPulse intentionally animates border-color and box-shadow (not just transform/opacity)
 * to provide clear visual feedback for form validation states. This is an intentional exception
 * to the transform/opacity-only guideline for better UX in form contexts.
 */

@keyframes borderPulse {

    0%,
    100% {
        border-color: currentColor;
    }

    50% {
        border-color: var(--color-success-500);
        box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
    }
}

@keyframes iconEnter {
    from {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }

    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.input-success-pulse {
    border-color: var(--color-success-500);
    animation: borderPulse 1s var(--ease-in-out) 2, checkmark 500ms var(--ease-out);
}

.input-error-shake {
    border-color: var(--color-danger-500);
    animation: shake 400ms var(--ease-in-out) 1;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.1);
}

.validation-icon-enter {
    animation: iconEnter 400ms var(--ease-out);
    will-change: transform, opacity;
}

/* ============================================
   Smooth Scroll Enhancements
   ============================================ */

/**
 * Smooth scroll utilities for programmatic scrolling and scroll snap.
 * Usage: Add .scroll-smooth for smooth scrolling, .scroll-snap-container and .scroll-snap-item for snap behavior.
 */

.scroll-smooth {
    scroll-behavior: smooth;
}

.scroll-snap-container {
    scroll-snap-type: y mandatory;
    overflow-y: auto;
}

.scroll-snap-item {
    scroll-snap-align: start;
}

/* ============================================
   Micro-interaction Utilities
   ============================================ */

/**
 * Micro-interaction utilities for subtle animations on hover/click.
 * Usage: Add .bounce-subtle, .wiggle, or .heartbeat to elements for playful interactions.
 */

@keyframes bounceSubtle {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes wiggle {

    0%,
    100% {
        transform: rotate(0deg);
    }

    25% {
        transform: rotate(-3deg);
    }

    75% {
        transform: rotate(3deg);
    }
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.bounce-subtle:hover {
    animation: bounceSubtle 0.6s var(--ease-in-out);
}

.wiggle:hover {
    animation: wiggle 0.5s var(--ease-in-out);
}

.heartbeat:hover {
    animation: heartbeat 0.6s var(--ease-in-out);
}

/* ============================================
   Performance Optimizations
   ============================================ */

/**
 * Performance optimizations for animations.
 * All animated classes use will-change for GPU acceleration.
 * All animations use transform and opacity properties only for optimal performance.
 */

.page-fade-in,
.page-fade-out,
.page-slide-up,
.toast-notification,
.toast-slide-in,
.toast-slide-out,
.pulse-slow,
.pulse-fast,
.loading-spinner,
.card-hover-lift,
.card-hover-tilt,
.validation-icon-enter {
    will-change: transform, opacity;
}

/* ============================================
   Reduced Motion Preferences
   ============================================ */

/**
 * Comprehensive reduced motion overrides for all new animations.
 * Respects user preferences for reduced motion by disabling animations.
 */

@media (prefers-reduced-motion: reduce) {

    .page-fade-in,
    .page-fade-out,
    .page-slide-up,
    .toast-slide-in,
    .toast-slide-out,
    .toast-shake,
    .btn-hover-scale:hover,
    .btn-hover-scale:active,
    .btn-hover-lift:hover,
    .btn-hover-lift:active,
    .btn-hover-glow:hover,
    .btn-hover-glow:active,
    .pulse-slow,
    .pulse-fast,
    .loading-dots::before,
    .loading-dots::after,
    .loading-spinner,
    .card-hover-lift:hover,
    .card-hover-lift:active,
    .card-hover-glow:hover,
    .card-hover-tilt:hover,
    .interactive-scale:hover,
    .interactive-scale:active,
    .input-success-pulse,
    .input-error-shake,
    .validation-icon-enter,
    .bounce-subtle:hover,
    .wiggle:hover,
    .heartbeat:hover {
        animation: none !important;
        transform: none !important;
        transition: none !important;
    }

    .responsive-table,
    .responsive-table thead,
    .responsive-table tbody,
    .responsive-table th,
    .responsive-table td,
    .responsive-table tr {
        display: block;
    }

    .responsive-table thead {
        display: none;
    }

    .responsive-table tr {
        background: #fff;
        border: 1px solid var(--color-gray-200);
        border-radius: var(--radius-lg);
        margin-bottom: 1rem;
        box-shadow: var(--shadow-sm);
        padding: 1rem;
    }

    .responsive-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border: none;
        border-bottom: 1px solid var(--color-gray-100);
    }

    .responsive-table td:last-child {
        border-bottom: none;
    }

    .responsive-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-gray-600);
        margin-right: 1rem;
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 0.05em;
    }

    .responsive-table .form-input-sm {
        width: auto;
        max-width: 60%;
        text-align: right;
    }

    .responsive-table td[data-label="Line Item"] {
        flex-direction: column;
        align-items: flex-start;
    }

    .responsive-table td[data-label="Line Item"]::before {
        margin-bottom: 0.5rem;
    }

    .responsive-table td[data-label="Line Item"] textarea {
        width: 100%;
        text-align: left;
    }

    .responsive-table td[data-label="Actions"] {
        justify-content: center;
    }

    .responsive-table td[data-label="Actions"]::before {
        display: none;
    }
}

/* ============================================
   Number Input Overrides (No Spinners)
   ============================================ */
/* Chrome, Safari, Edge, Opera */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type=number] {
    -moz-appearance: textfield;
}