/*
 * Flare Salon - Modern Responsive Stylesheet
 * Optimized for desktop, tablet (iPad), and mobile devices
 * Using modern CSS with mobile-first approach
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Color Palette */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #ec4899;
    --secondary-dark: #db2777;
    --secondary-light: #f472b6;
    
    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Background */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

/* ==================== BASE STYLES ==================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: 2.25rem; } /* 36px */
h2 { font-size: 1.875rem; } /* 30px */
h3 { font-size: 1.5rem; } /* 24px */
h4 { font-size: 1.25rem; } /* 20px */
h5 { font-size: 1.125rem; } /* 18px */
h6 { font-size: 1rem; } /* 16px */

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ==================== LAYOUT ==================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--spacing-md) * -0.5);
    margin-right: calc(var(--spacing-md) * -0.5);
}

.col {
    flex: 1;
    padding-left: calc(var(--spacing-md) * 0.5);
    padding-right: calc(var(--spacing-md) * 0.5);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ==================== NAVIGATION ==================== */
.navbar {
    background: var(--bg-primary);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--gray-100);
    text-decoration: none;
}

/* Mobile Menu Toggle */
.navbar-toggler {
    display: none;
    background: none;
    border: 2px solid var(--gray-300);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.navbar-toggler-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: relative;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    position: absolute;
    left: 0;
    transition: transform var(--transition-base);
}

.navbar-toggler-icon::before {
    top: -8px;
}

.navbar-toggler-icon::after {
    bottom: -8px;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    background-color: var(--bg-secondary);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--bg-secondary);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

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

/* Button Variants */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active,
.btn-primary.active,
.btn-primary:focus,
.btn-primary:focus-visible {
    color: white;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
}

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

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: white;
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--gray-100);
    color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.813rem;
}

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

.btn-block {
    display: flex;
    width: 100%;
}

/* Button Group */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.btn-group .btn {
    border-radius: 0;
    border-right-width: 0;
}

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

.btn-group .btn:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
    border-right-width: 1px;
}

/* ==================== FORMS ==================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

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

.form-control,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}

.form-control:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 1000px white inset;
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--gray-100);
    cursor: not-allowed;
}

.form-control.error,
.form-select.error {
    border-color: var(--error-color);
}

.form-control.error:focus,
.form-select.error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-text {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.form-error {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.813rem;
    color: var(--error-color);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 1.125rem;
    height: 1.125rem;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-label {
    cursor: pointer;
    user-select: none;
}

/* Input Group */
.input-group {
    display: flex;
    width: 100%;
}

.input-group .form-control {
    flex: 1;
}

.input-group-prepend,
.input-group-append {
    display: flex;
    align-items: center;
    padding: 0.625rem 0.875rem;
    background-color: var(--gray-100);
    border: 1px solid var(--gray-300);
    white-space: nowrap;
}

.input-group-prepend {
    border-right: 0;
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.input-group-append {
    border-left: 0;
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}

.input-group .form-control:last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}

/* ==================== TABLES ==================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead {
    background-color: var(--gray-50);
}

.table th {
    padding: 0.875rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.813rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--gray-200);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
    color: var(--text-primary);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

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

/* Table Variants */
.table-striped tbody tr:nth-child(odd) {
    background-color: var(--bg-secondary);
}

.table-bordered {
    border: 1px solid var(--gray-200);
}

.table-bordered th,
.table-bordered td {
    border: 1px solid var(--gray-200);
}

/* ==================== MODALS ==================== */
.modal {
    position:fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-dialog {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px);
    transition: transform var(--transition-base);
}

.modal.show .modal-dialog {
    transform: translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ==================== ALERTS ==================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e3a8a;  
    border: 1px solid #bfdbfe;
}

.alert-dismissible {
    position: relative;
    padding-right: 3rem;
}

.alert-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ==================== BADGES ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    border-radius: 9999px;
    white-space: nowrap;
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary-dark);
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background-color: #dbeafe;
    color: #1e3a8a;
}

/* ==================== CALENDAR ==================== */

/* ==================== LOADING SPINNER ==================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ==================== UTILITIES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

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

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

/* ==================== RESPONSIVE - TABLET (iPad) ==================== */
@media (max-width: 1024px) {
    .container {
        max-width: 960px;
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* iPad Portrait and below */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding-left: var(--spacing-lg);
        padding-right: var(--spacing-lg);
    }
    
    /* Navigation */
    .navbar-toggler {
        display: block;
    }
    
    /* Mobile nav dropdown styles */
    @media (max-width: 768px) {
        .navbar-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--bg-primary);
            flex-direction: column;
            padding: var(--spacing-md);
            box-shadow: var(--shadow-lg);
        }
        .navbar-nav.show {
            display: flex;
        }
        .nav-link {
            width: 100%;
            padding: var(--spacing-md);
            border-bottom: 1px solid var(--gray-200);
        }
    }
    /* Desktop nav styles */
    @media (min-width: 769px) {
        .navbar-nav {
            display: flex;
            position: static;
            flex-direction: row;
            background: none;
            box-shadow: none;
            padding: 0;
        }
        .navbar-nav.show {
            display: flex;
        }
        .nav-link {
            width: auto;
            padding: var(--spacing-sm) var(--spacing-md);
            border-bottom: none;
        }
    }
    
    /* Grid */
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    /* Tables */
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.625rem 0.75rem;
    }
    
    /* Cards */
    .card-body {
        padding: var(--spacing-md);
    }
    
    /* Modals */
    .modal-dialog {
        max-width: 95%;
        margin: var(--spacing-md);
    }
    
    /* Buttons in modal footer */
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
    }
    
    /* Forms */
    .form-group {
        margin-bottom: var(--spacing-md);
    }
    
    /* Calendar */
}

/* Mobile */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .btn {
        padding: 0.5rem 1rem;
    }
    
    .btn-sm {
        padding: 0.375rem 0.75rem;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-md);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .form-check-input,
    .modal-close {
        min-height: 44px; /* iOS recommended touch target size */
        min-width: 44px;
    }
    
    .table td,
    .table th {
        padding: var(--spacing-md);
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .navbar,
    .btn,
    .modal,
    .alert {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    @page {
        margin: 1cm;
    }
}

/* ==================== DARK MODE (Optional) ==================== */
@media (prefers-color-scheme: dark) {
    /* Uncomment to enable dark mode */
    /*
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #111827;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-tertiary: #9ca3af;
    }
    */
}