/* Design System Variables */
:root {
    --color-primary: #D4AF37;
    --color-primary-dark: #B8941F;
    --color-primary-light: #F5E6C8;
    --color-secondary: #8B0000;
    --color-secondary-dark: #660000;
    --color-accent: #FFD700;
    --color-accent-light: #FFF4CC;
    --color-bg: #FFFCF5;
    --color-bg-secondary: #FAF7F0;
    --color-surface: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-secondary: #5A5A5A;
    --color-border: #E8E4DC;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.15);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
    --transition: all 0.2s ease;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    /* --container-max-width: 1400px; */
    --touch-target-min: 44px;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--color-bg) 0%, #FFF8E7 100%);
    color: var(--color-text);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Focus management for accessibility */
:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion support */
@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;
    }
}

/* Header */
.header {
    background: linear-gradient(135deg, #8B0000 0%, #B8941F 50%, #D4AF37 100%);
    color: white;
    padding: var(--space-md);
    box-shadow: 0 4px 20px rgba(139, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--color-accent);
}

.header-main {
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.header h1 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    margin-bottom: var(--space-xs);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

.header-subtitle {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    opacity: 0.95;
    line-height: var(--line-height-normal);
}

.header-subtitle span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.countdown {
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
}

.countdown.urgent {
    background: var(--color-error);
    animation: pulse 2s infinite;
}

/* Navigation Tabs */
.tabs {
    background: var(--color-surface);
    border-bottom: 2px solid var(--color-border);
    display: flex;
    overflow-x: auto;
    box-shadow: var(--shadow-sm);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    position: sticky;
    top: 0;
    z-index: 90;
}

.tabs::-webkit-scrollbar {
    height: 3px;
}

.tabs::-webkit-scrollbar-track {
    background: transparent;
}

.tabs::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-sm);
}

.tabs::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

.tab {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border: none;
    background: transparent;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: var(--transition);
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    min-height: var(--touch-target-min);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    position: relative;
}

.tab:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.tab.active {
    color: var(--color-primary-dark);
    border-bottom-color: var(--color-primary);
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-primary-light) 100%);
    font-weight: 600;
}

.tab-label {
    display: flex;
    align-items: center;
    gap: 4px;
}

.tab-stats {
    font-size: var(--font-size-xs);
    background: var(--color-primary);
    color: white;
    padding: 2px 6px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.tab.active .tab-stats {
    background: var(--color-primary-dark);
}

.tab-alert {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: var(--color-error);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.tab.has-alert {
    position: relative;
}

/* Main Content */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--space-md);
    width: 100%;
    min-height: calc(100vh - 200px);
}

/* Cards */
.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    box-shadow: 0 2px 12px rgba(212, 175, 55, 0.08);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-secondary));
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.15);
    transform: translateY(-2px);
}

.card:hover::before {
    opacity: 1;
}

.card-title {
    font-size: clamp(var(--font-size-lg), 4vw, var(--font-size-xl));
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
    line-height: var(--line-height-tight);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-primary-light) 100%);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-secondary));
    transform: scaleX(0);
    transition: var(--transition);
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 28px rgba(212, 175, 55, 0.2);
    border-color: var(--color-primary);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-value {
    font-size: clamp(1.5rem, 5vw, 2rem);
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xs);
    line-height: var(--line-height-tight);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
    line-height: var(--line-height-normal);
}

/* Buttons */
.btn {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-right: var(--space-sm);
    margin-bottom: var(--space-sm);
    min-height: var(--touch-target-min);
    touch-action: manipulation;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    text-decoration: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn:not(:disabled):active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

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

.btn-secondary:hover {
    background: #660000;
}

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

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary-dark);
}

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

.btn-small {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    line-height: var(--line-height-normal);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    font-size: var(--font-size-base);
    font-family: inherit;
    min-height: var(--touch-target-min);
    background: var(--color-surface);
    transition: var(--transition);
    line-height: var(--line-height-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(193, 154, 107, 0.1);
}

.form-input:hover:not(:focus),
.form-select:hover:not(:focus),
.form-textarea:hover:not(:focus) {
    border-color: var(--color-text-secondary);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: var(--line-height-relaxed);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--color-error);
    background-color: rgba(244, 67, 54, 0.05);
}

/* Checkbox and Radio Styles */
input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-right: var(--space-xs);
    accent-color: var(--color-primary);
}

/* Tables */
.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--space-md));
    padding: 0 var(--space-md);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    background: var(--color-surface);
}

.table th,
.table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    min-width: 120px;
    vertical-align: top;
    line-height: var(--line-height-normal);
}

.table th {
    background: var(--color-bg-secondary);
    font-weight: 600;
    color: var(--color-primary-dark);
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 2px solid var(--color-border);
}

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

.table tbody tr:hover {
    background: linear-gradient(90deg, var(--color-primary-light) 0%, transparent 100%);
    transform: scale(1.005);
}

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

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-md);
    overflow-y: auto;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--color-primary-light);
    animation: slideUp 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-bg-secondary);
    flex-shrink: 0;
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-primary-dark);
    line-height: var(--line-height-tight);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-secondary);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

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

.modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    background: var(--color-bg-secondary);
    flex-shrink: 0;
}

/* Timeline */
.timeline-grid {
    display: grid;
    gap: var(--space-lg);
}

.timeline-day {
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-md);
    background: var(--color-surface);
}

.timeline-day-header {
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
    font-size: 16px;
}

.timeline-event {
    background: var(--color-bg);
    padding: var(--space-sm);
    border-radius: var(--radius);
    margin-bottom: var(--space-sm);
    border-left: 4px solid var(--color-primary);
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border: 1px solid transparent;
}

.badge-small {
    padding: 2px 6px;
    font-size: 10px;
}

.badge-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #047857;
    border-color: rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.05) 100%);
    color: #B45309;
    border-color: rgba(245, 158, 11, 0.3);
}

.badge-error {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.05) 100%);
    color: #B91C1C;
    border-color: rgba(239, 68, 68, 0.3);
}

.badge-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: #1E40AF;
    border-color: rgba(59, 130, 246, 0.3);
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 20px;
    background: var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: var(--space-xs);
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    position: relative;
    min-width: 20px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2.5s infinite;
}

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

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: var(--space-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: var(--space-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
    gap: var(--space-md);
}

/* Quick Stats Component */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.quick-stat {
    text-align: center;
    padding: var(--space-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.quick-stat-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    line-height: var(--line-height-tight);
}

.quick-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* Error Handling */
.error-banner {
    background-color: #FFF5F5;
    border: 2px solid var(--color-error);
    border-radius: var(--radius);
    margin: var(--space-md);
    padding: var(--space-md);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.error-banner .error-message {
    color: var(--color-error);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    gap: var(--space-md);
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: var(--space-xs);
}

/* Loading State */
.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--color-bg);
}

.loading-spinner {
    font-size: 18px;
    color: var(--color-primary-dark);
    font-weight: 500;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--space-lg); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap { gap: var(--space-sm); }

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-text-secondary);
    background: var(--color-bg-secondary);
    border-radius: var(--radius);
    border: 2px dashed var(--color-border);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    opacity: 0.7;
}

.empty-state p {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
}

.empty-state p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */

/* Large screens */
@media (min-width: 1024px) {
    .container {
        padding: var(--space-xl);
    }
    
    .header {
        padding: var(--space-lg) var(--space-xl);
    }
    
    .card {
        padding: var(--space-lg);
        margin-bottom: var(--space-lg);
    }
    
    .stats-grid {
        gap: var(--space-lg);
        margin-bottom: var(--space-xl);
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
    
    .tab {
        padding: var(--space-md) var(--space-lg);
    }
    
    .modal-overlay {
        padding: var(--space-lg);
    }
    
    .modal {
        max-width: 700px;
    }
}

/* Medium screens */
@media (min-width: 768px) and (max-width: 1023px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .table th,
    .table td {
        min-width: 100px;
    }
}

/* Mobile and tablet styles */
@media (max-width: 768px) {
    :root {
        --space-md: 12px;
        --space-lg: 16px;
        --space-xl: 20px;
    }
    
    .header {
        padding: var(--space-md);
        position: relative;
    }
    
    .header-subtitle {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: flex-start;
    }
    
    .tabs {
        position: relative;
    }
    
    .tab {
        padding: var(--space-sm) var(--space-md);
        min-width: 120px;
    }
    
    .container {
        padding: var(--space-sm);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }
    
    .stat-card {
        padding: var(--space-sm) var(--space-md);
    }
    
    .stat-value {
        font-size: clamp(1.25rem, 4vw, 1.5rem);
    }
    
    .card {
        padding: var(--space-md);
        margin-bottom: var(--space-md);
    }
    
    .table-container {
        margin: 0 calc(-1 * var(--space-md));
        padding: 0 var(--space-md);
    }
    
    .table {
        font-size: var(--font-size-xs);
    }
    
    .table th,
    .table td {
        padding: var(--space-xs) var(--space-sm);
        min-width: 80px;
    }
    
    .modal {
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius) var(--radius) 0 0;
        max-height: 95vh;
        position: fixed;
        bottom: 0;
        top: auto;
    }
    
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--space-md);
    }
    
    .modal-footer {
        flex-direction: column-reverse;
        gap: var(--space-sm);
    }
    
    .modal-footer .btn {
        width: 100%;
        margin-right: 0;
        margin-bottom: 0;
    }
    
    /* Mobile-specific flex layouts */
    .flex-between {
        flex-direction: column;
        align-items: stretch !important;
        gap: var(--space-sm);
    }
    
    .flex-between > * {
        width: 100%;
    }
    
    .flex-between .btn,
    .flex-between button {
        width: 100%;
        margin-right: 0;
    }
    
    /* Form layouts on mobile */
    .form-group > div[style*="display: flex"],
    .form-group > div[style*="display:flex"] {
        flex-direction: column !important;
        gap: var(--space-xs) !important;
    }
    
    .form-group > div[style*="display: flex"] > *,
    .form-group > div[style*="display:flex"] > * {
        width: 100% !important;
        flex: none !important;
        margin: 0 !important;
    }
    
    /* Card layouts on mobile */
    .card > div[style*="display: flex"],
    .card > div[style*="display:flex"] {
        flex-direction: column !important;
        gap: var(--space-sm) !important;
    }
    
    .card > div[style*="display: flex"] .btn,
    .card > div[style*="display:flex"] .btn {
        width: 100%;
        margin-right: 0;
    }
    
    /* Grid layouts on mobile */
    div[style*="display: grid"][style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: var(--space-sm) !important;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xs);
    }
    
    /* Timeline on mobile */
    .timeline-event > div:first-child {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: var(--space-xs) !important;
    }
    
    .timeline-event .btn {
        width: 100%;
        margin-right: 0;
        margin-top: var(--space-xs);
    }
    
    .timeline-day {
        padding: var(--space-sm);
    }
    
    /* Badge adjustments */
    .badge {
        font-size: 10px;
        padding: 2px 6px;
    }
    
    .badge-small {
        font-size: 9px;
        padding: 1px 4px;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    :root {
        --space-xs: 2px;
        --space-sm: 6px;
        --space-md: 10px;
        --space-lg: 14px;
        --space-xl: 18px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .stat-card {
        padding: var(--space-sm);
    }
    
    .header h1 {
        font-size: clamp(1rem, 4vw, 1.25rem);
    }
    
    .header-subtitle {
        font-size: var(--font-size-xs);
    }
    
    .tab {
        font-size: var(--font-size-xs);
        padding: var(--space-xs) var(--space-sm);
        min-width: 100px;
    }
    
    .tab-stats {
        font-size: 10px;
        padding: 1px 4px;
    }
    
    .card-title {
        font-size: var(--font-size-lg);
    }
    
    .btn {
        font-size: var(--font-size-xs);
        padding: var(--space-xs) var(--space-sm);
    }
    
    .btn-small {
        font-size: 10px;
        padding: 2px 6px;
    }
    
    .container {
        padding: var(--space-xs);
    }
    
    .card {
        padding: var(--space-sm);
        margin-bottom: var(--space-sm);
    }
    
    .table {
        font-size: 10px;
    }
    
    .table th,
    .table td {
        padding: 2px 4px;
        min-width: 60px;
    }
    
    .modal-title {
        font-size: var(--font-size-lg);
    }
    
    .form-label {
        font-size: var(--font-size-xs);
    }
    
    .form-input,
    .form-select,
    .form-textarea {
        font-size: var(--font-size-sm);
        padding: var(--space-xs) var(--space-sm);
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .quick-stat {
        padding: var(--space-xs);
    }
    
    .empty-state {
        padding: var(--space-lg);
    }
    
    .empty-state-icon {
        font-size: 2rem;
    }
}

/* Print styles */
@media print {
    .tabs, 
    .btn, 
    .modal-overlay,
    .tab-alert,
    .tab-stats {
        display: none !important;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .header {
        background: white !important;
        color: black !important;
        box-shadow: none;
    }
    
    .table {
        font-size: 12px;
    }
    
    .badge {
        border: 1px solid currentColor;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --color-text-secondary: #000000;
        --shadow: 0 2px 8px rgba(0,0,0,0.3);
        --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
    }
    
    .card,
    .modal,
    .table-container {
        border: 2px solid var(--color-border);
    }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
    /* Dark mode variables would go here */
}

/* Animation utilities */
@keyframes pulse {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7;
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0, -8px, 0);
    }
    70% {
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

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

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Notification Banner */
.notification-banner {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    animation: slideDown 0.3s ease, fadeOut 0.3s ease 2.7s;
    font-weight: 500;
    min-width: 300px;
    text-align: center;
}

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

.notification-info {
    background: #2196F3;
    color: white;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@media (max-width: 768px) {
    .notification-banner {
        top: 60px;
        min-width: 250px;
        padding: 10px 16px;
        font-size: var(--font-size-sm);
    }
}