/* Modern Practice Wizard Styles - Clean & Professional */

:root {
    /* Color Palette */
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ecdc4;
    --warning-color: #ffe66d;
    --error-color: #ff6b6b;
    --text-primary: #2c3e50;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --background: #f8f9fa;
    --surface: #ffffff;
    --border-light: #e9ecef;
    --border-medium: #dee2e6;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.2);
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background);
    font-size: 16px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover:before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 2px solid var(--border-medium);
}

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

.btn-success {
    background: linear-gradient(135deg, #28a745, var(--success-color));
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Cards */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--space-lg);
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 1px solid var(--border-light);
}

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

.card-footer {
    padding: var(--space-md) var(--space-lg);
    background: var(--background);
    border-top: 1px solid var(--border-light);
}

/* Practice History Styles */
.history-section {
    margin: var(--space-xl) 0;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.history-title {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.history-item {
    background: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.history-item:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.history-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.session-date {
    font-weight: 600;
    color: var(--text-primary);
}

.session-duration {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.session-details {
    color: var(--text-secondary);
    font-size: 0.9em;
}

.completed-sections {
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.session-notes {
    font-style: italic;
    color: var(--text-muted);
    background: #fff3cd;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--warning-color);
    margin-top: var(--space-sm);
}

/* Repertoire Management */
.repertoire-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-lg);
}

.page-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}

.page-header:before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.repertoire-controls {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
    align-items: center;
    background: var(--surface);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-box input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.filter-buttons {
    display: flex;
    gap: var(--space-sm);
    background: var(--background);
    padding: var(--space-xs);
    border-radius: var(--radius-md);
}

.filter-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-btn:hover {
    background: var(--surface);
    color: var(--text-primary);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* Repertoire Stats */
.repertoire-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-card:before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.2), transparent);
    transform: scale(0);
    transition: transform 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 2.5em;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9em;
    opacity: 0.9;
    margin-top: var(--space-xs);
}

/* Repertoire Grid */
.repertoire-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: var(--space-lg);
}

.repertoire-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

.repertoire-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.title-section h3 {
    margin: 0 0 var(--space-xs) 0;
    font-size: 1.4em;
    color: var(--text-primary);
}

.composer {
    margin: 0;
    color: var(--text-secondary);
    font-style: italic;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: 600;
    white-space: nowrap;
}

.piece-details {
    margin-bottom: var(--space-lg);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) 0;
}

.detail-row .label {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-row .value {
    color: var(--text-secondary);
}

/* Progress Elements */
.progress-section {
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--background);
    border-radius: var(--radius-md);
}

.difficulty-stars {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.star {
    color: #ddd;
    font-size: 1.2em;
    transition: color 0.2s ease;
}

.star.filled {
    color: var(--warning-color);
}

.mastery-progress {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-light);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), #4ecdc4);
    transition: width 0.3s ease;
    border-radius: 4px;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

.modal-title {
    margin: 0;
    font-size: 1.5em;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2em;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

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

/* Forms */
.form-row {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* Notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    z-index: 10000;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.toast-success { background: linear-gradient(135deg, #28a745, var(--success-color)); }
.toast-error { background: linear-gradient(135deg, var(--error-color), #ff5252); }
.toast-warning { background: linear-gradient(135deg, var(--warning-color), #ffb74d); }
.toast-info { background: linear-gradient(135deg, #17a2b8, #26c6da); }

/* Navigation */
.navigation {
    position: fixed;
    bottom: var(--space-lg);
    left: var(--space-lg);
    z-index: 1000;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --space-lg: 16px;
        --space-xl: 24px;
    }
    
    .repertoire-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-buttons {
        justify-content: center;
    }
    
    .repertoire-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .history-header {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .session-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .navigation {
        bottom: var(--space-sm);
        left: var(--space-sm);
        right: var(--space-sm);
    }
    
    .nav-link {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 2rem;
    }
    
    .repertoire-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        width: 95%;
        margin: var(--space-sm);
    }
}

/* Loading States */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-light);
    border-top: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: var(--space-sm);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* No Data States */
.no-data {
    text-align: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
    background: var(--background);
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
}

.no-data h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.sr-only { 
    position: absolute; 
    width: 1px; 
    height: 1px; 
    padding: 0; 
    margin: -1px; 
    overflow: hidden; 
    clip: rect(0,0,0,0); 
    border: 0; 
}
/* Full-Screen Overlay Menu System */
:root {
    /* Overlay-specific variables */
    --overlay-backdrop: rgba(15, 23, 42, 0.95);
    --overlay-content-bg: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    --overlay-text-primary: #f8fafc;
    --overlay-text-secondary: #cbd5e1;
    --overlay-accent: #06b6d4;
    --overlay-border: rgba(148, 163, 184, 0.2);
    --overlay-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --animation-duration: 0.4s;
    --animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modal Base - Full Screen Overlay */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--overlay-backdrop);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--animation-duration) var(--animation-easing);
    padding: 20px;
    box-sizing: border-box;
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Modal Content - Large Overlay Container */
.modal-content {
    background: var(--overlay-content-bg);
    border-radius: 24px;
    width: 95vw;
    max-width: 1400px;
    height: 90vh;
    max-height: 900px;
    box-shadow: var(--overlay-shadow);
    border: 1px solid var(--overlay-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.9) translateY(50px);
    transition: transform var(--animation-duration) var(--animation-easing);
    position: relative;
}

.modal:not(.hidden) .modal-content {
    transform: scale(1) translateY(0);
}

/* Glassmorphism Effect */
.modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

/* Modal Header - Enhanced */
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 40px 24px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(14, 165, 233, 0.05));
    border-bottom: 1px solid var(--overlay-border);
    position: relative;
    backdrop-filter: blur(12px);
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 40px;
    right: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--overlay-accent), transparent);
    opacity: 0.5;
}

.modal-title {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--overlay-text-primary);
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.modal-subtitle {
    margin: 8px 0 0 0;
    font-size: 1.1rem;
    color: var(--overlay-text-secondary);
    font-weight: 400;
}

/* Enhanced Close Button */
.modal-close {
    background: rgba(248, 250, 252, 0.1);
    border: 1px solid var(--overlay-border);
    border-radius: 12px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--overlay-text-secondary);
    font-size: 24px;
    font-weight: 300;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.modal-close::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-close:hover {
    border-color: var(--overlay-accent);
    color: var(--overlay-text-primary);
    transform: scale(1.05);
}

.modal-close:hover::before {
    opacity: 0.1;
}

.modal-close:active {
    transform: scale(0.95);
}

/* Modal Body - Scrollable Content Area */
.modal-body {
    flex: 1;
    padding: 40px;
    overflow-y: auto;
    overflow-x: hidden;
    background: rgba(15, 23, 42, 0.3);
    position: relative;
}

/* Custom Scrollbar */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: rgba(148, 163, 184, 0.1);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #0891b2, #0284c7);
}

/* Modal Footer - Action Area */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16px;
    padding: 24px 40px 32px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8), rgba(30, 41, 59, 0.6));
    border-top: 1px solid var(--overlay-border);
    backdrop-filter: blur(12px);
    position: relative;
}

.modal-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 40px;
    right: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--overlay-accent), transparent);
    opacity: 0.3;
}

/* Enhanced Buttons for Overlay */
.modal .btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(8px);
    min-width: 120px;
    justify-content: center;
}

.modal .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s ease;
}

.modal .btn:hover::before {
    left: 100%;
}

.modal .btn-primary {
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    color: white;
    border-color: var(--overlay-accent);
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.modal .btn-primary:hover {
    background: linear-gradient(135deg, #0891b2, #0284c7);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
    transform: translateY(-2px);
}

.modal .btn-secondary {
    background: rgba(248, 250, 252, 0.1);
    color: var(--overlay-text-secondary);
    border-color: var(--overlay-border);
}

.modal .btn-secondary:hover {
    background: rgba(248, 250, 252, 0.2);
    color: var(--overlay-text-primary);
    border-color: var(--overlay-accent);
}

/* Form Elements in Overlay */
.modal .form-group {
    margin-bottom: 24px;
}

.modal .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--overlay-text-primary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.modal .form-group input,
.modal .form-group select,
.modal .form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--overlay-border);
    border-radius: 12px;
    color: var(--overlay-text-primary);
    font-size: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
}

.modal .form-group input:focus,
.modal .form-group select:focus,
.modal .form-group textarea:focus {
    outline: none;
    border-color: var(--overlay-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
    background: rgba(15, 23, 42, 0.8);
}

.modal .form-group input::placeholder,
.modal .form-group textarea::placeholder {
    color: var(--overlay-text-secondary);
    opacity: 0.7;
}

.modal .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

/* Content Sections in Overlay */
.modal .content-section {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--overlay-border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 32px;
    backdrop-filter: blur(8px);
    position: relative;
}

.modal .content-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.modal .section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--overlay-text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal .section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    border-radius: 2px;
}

/* Lists and Items in Overlay */
.modal .item-list {
    display: grid;
    gap: 16px;
}

.modal .list-item {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--overlay-border);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modal .list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    transform: scaleY(0);
    transition: transform 0.3s ease;
    transform-origin: bottom;
}

.modal .list-item:hover {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--overlay-accent);
    transform: translateX(8px);
}

.modal .list-item:hover::before {
    transform: scaleY(1);
}

/* Tabs in Overlay */
.modal .tab-navigation {
    display: flex;
    gap: 4px;
    margin-bottom: 32px;
    background: rgba(15, 23, 42, 0.6);
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--overlay-border);
}

.modal .tab-button {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: 12px;
    color: var(--overlay-text-secondary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.modal .tab-button.active {
    background: linear-gradient(135deg, var(--overlay-accent), #0ea5e9);
    color: white;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.modal .tab-button:not(.active):hover {
    background: rgba(248, 250, 252, 0.1);
    color: var(--overlay-text-primary);
}

/* Responsive Design for Overlay */
@media (max-width: 768px) {
    .modal {
        padding: 10px;
    }
    
    .modal-content {
        width: 100vw;
        height: 100vh;
        border-radius: 0;
        max-width: none;
        max-height: none;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 24px;
        padding-right: 24px;
    }
    
    .modal-title {
        font-size: 2rem;
    }
    
    .modal .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .modal .tab-navigation {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
    
    .modal-header {
        padding-top: 20px;
        padding-bottom: 16px;
    }
    
    .modal-footer {
        padding-top: 16px;
        padding-bottom: 20px;
        flex-direction: column;
    }
    
    .modal .btn {
        width: 100%;
    }
    
    .modal-title {
        font-size: 1.75rem;
    }
}

/* Animation Utilities */
@keyframes overlaySlideIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(100px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes overlaySlideOut {
    from {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
    to {
        opacity: 0;
        transform: scale(0.8) translateY(100px);
    }
}

/* Loading States in Overlay */
.modal .loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}

.modal .spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(6, 182, 212, 0.3);
    border-top: 3px solid var(--overlay-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Utility Classes */
.modal .text-center { text-align: center; }
.modal .text-primary { color: var(--overlay-text-primary); }
.modal .text-secondary { color: var(--overlay-text-secondary); }
.modal .text-accent { color: var(--overlay-accent); }
.modal .mb-0 { margin-bottom: 0; }
.modal .mb-1 { margin-bottom: 8px; }
.modal .mb-2 { margin-bottom: 16px; }
.modal .mb-3 { margin-bottom: 24px; }
.modal .mb-4 { margin-bottom: 32px; }

/* Stats Display in Modal */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stats-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.breakdown-section h4 {
    color: var(--overlay-text-primary);
    margin-bottom: 16px;
    font-size: 1.1rem;
    font-weight: 600;
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--overlay-border);
    border-radius: 6px;
    transition: all 0.2s ease;
}

.breakdown-item:hover {
    background: rgba(15, 23, 42, 0.6);
    border-color: var(--overlay-accent);
}

.breakdown-label {
    color: var(--overlay-text-secondary);
    font-size: 0.9rem;
}

.breakdown-value {
    color: var(--overlay-accent);
    font-weight: 600;
    background: rgba(6, 182, 212, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 24px;
}

.quick-actions .btn {
    flex: 1;
    min-width: 160px;
}

/* Animation for tab content */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content:not(.hidden) {
    animation: slideInUp 0.3s ease-out;
}

/* Enhanced form styling for overlay */
.modal .form-input,
.modal .form-select {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--overlay-border);
    color: var(--overlay-text-primary);
}

.modal .form-input:focus,
.modal .form-select:focus {
    border-color: var(--overlay-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

/* Mobile responsive for modal */
@media (max-width: 768px) {
    .stats-breakdown {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        flex-direction: column;
    }
    
    .quick-actions .btn {
        width: 100%;
    }
}