/* CAPS Mathematics Master Suite - Custom Styles */

/* Root Variables */
:root {
    --school-teal: #0891b2;
    --school-blue: #1e40af;
    --school-gold: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-light: #e5e7eb;
    --bg-light: #f9fafb;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

/* Loading Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* Loading Screen Styles */
#loadingScreen {
    background: linear-gradient(135deg, var(--school-teal), var(--school-blue));
    transition: opacity 0.3s ease-out;
}

#loadingScreen .loading-content {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--school-teal);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: #0e7490;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4);
}

.btn-secondary {
    background-color: #f3f4f6;
    color: var(--text-dark);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #e5e7eb;
}

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

.btn-gold:hover:not(:disabled) {
    background-color: #d97706;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

/* Card Styles */
.card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-light);
    transition: all 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.card-interactive {
    cursor: pointer;
}

.card-interactive:hover {
    border-color: var(--school-teal);
}

/* Form Styles */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--school-teal);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: 0.5rem;
    background-color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-select:focus {
    outline: none;
    border-color: var(--school-teal);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

/* Navigation Styles */
.nav-header {
    background: white;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 0.5rem;
    background-color: #e5e7eb;
    border-radius: 0.25rem;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--school-teal), var(--school-gold));
    border-radius: 0.25rem;
    transition: width 0.3s ease-in-out;
}

/* Badge Styles */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-bronze { background-color: #cd7f32; color: white; }
.badge-silver { background-color: #c0c0c0; color: #1f2937; }
.badge-gold { background-color: var(--school-gold); color: white; }
.badge-platinum { background-color: #e5e4e2; color: #1f2937; }
.badge-god { background: linear-gradient(45deg, #ffd700, #ffed4e); color: #1f2937; }

/* Topic Cards */
.topic-card {
    border-left: 4px solid var(--school-teal);
    transition: all 0.2s ease-in-out;
}

.topic-card:hover {
    border-left-color: var(--school-gold);
}

.topic-card.completed {
    border-left-color: #10b981;
    background-color: #f0fdf4;
}

.topic-card.in-progress {
    border-left-color: var(--school-gold);
    background-color: #fffbeb;
}

/* Flashcard Styles */
.flashcard {
    perspective: 1000px;
    height: 300px;
    margin: 1rem 0;
}

.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}

.flashcard-front, .flashcard-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 0.75rem;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.flashcard-front {
    background: linear-gradient(135deg, var(--school-teal), var(--school-blue));
    color: white;
}

.flashcard-back {
    background: white;
    color: var(--text-dark);
    transform: rotateY(180deg);
    border: 2px solid var(--school-teal);
}

/* Math Formula Styling */
.math-formula {
    font-size: 1.2em;
    margin: 1rem 0;
    text-align: center;
}

/* Difficulty Indicators */
.difficulty-easy { 
    color: #10b981; 
    background-color: #ecfdf5;
    border: 1px solid #a7f3d0;
}

.difficulty-medium { 
    color: var(--school-gold); 
    background-color: #fffbeb;
    border: 1px solid #fde68a;
}

.difficulty-hard { 
    color: #ef4444; 
    background-color: #fef2f2;
    border: 1px solid #fecaca;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .flashcard {
        height: 250px;
    }
    
    .flashcard-front, .flashcard-back {
        padding: 1rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 640px) {
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }
    
    .card {
        padding: 0.75rem;
    }
    
    .math-formula {
        font-size: 1em;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .animate-pulse,
    .animate-spin,
    .flashcard-inner,
    .card:hover,
    .btn:hover {
        animation: none;
        transition: none;
        transform: none;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.form-input:focus,
.form-select:focus {
    outline: 2px solid var(--school-teal);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid var(--text-dark);
    }
    
    .btn-primary {
        border: 2px solid var(--text-dark);
    }
}

/* Loading states */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--school-teal);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--school-teal);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0e7490;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}