/* DSAT School Brand Guidelines Implementation */

/* DSAT Brand Colors */
:root {
    --dsat-purple: #9967b9;
    --dsat-purple-dark: #7c4fa3;
    --dsat-purple-light: #b584d1;
    --dsat-yellow: #fdcc4c;
    --dsat-dark: #262632;
}

/* Typography - Montserrat Fonts */
.dsat-heading-xl {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800; /* ExtraBold */
    font-size: 2.5rem;
    color: var(--dsat-purple);
}

.dsat-heading-lg {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; /* Bold */
    font-size: 2rem;
    color: var(--dsat-purple);
}

.dsat-heading-md {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600; /* SemiBold */
    font-size: 1.5rem;
    color: var(--dsat-dark);
}

.dsat-text-bold {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600; /* SemiBold */
    color: var(--dsat-dark);
}

.dsat-text-regular {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400; /* Regular */
    color: var(--dsat-dark);
}

.dsat-title {
    font-family: 'Built Titling', 'Montserrat', sans-serif;
    font-weight: 700; /* Bold */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dsat-purple);
}

/* Background Gradients */
.dsat-gradient-primary {
    background: linear-gradient(135deg, var(--dsat-purple) 0%, var(--dsat-yellow) 100%);
}

.dsat-gradient-secondary {
    background: linear-gradient(135deg, var(--dsat-purple-light) 0%, var(--dsat-purple) 100%);
}

.dsat-gradient-accent {
    background: linear-gradient(135deg, var(--dsat-yellow) 0%, var(--dsat-purple) 100%);
}

/* Buttons */
.dsat-btn-primary {
    background: var(--dsat-purple);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.dsat-btn-primary:hover {
    background: var(--dsat-purple-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(153, 103, 185, 0.3);
}

.dsat-btn-secondary {
    background: var(--dsat-yellow);
    color: var(--dsat-dark);
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.dsat-btn-secondary:hover {
    background: #fcc02d;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(253, 204, 76, 0.3);
}

.dsat-btn-outline {
    background: transparent;
    color: var(--dsat-purple);
    border: 2px solid var(--dsat-purple);
    padding: 10px 22px;
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

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

/* Progress Bars */
/* Quiz Progress Bar */
.quiz-progress-bar {
    background: linear-gradient(90deg, #9967b9, #fdcc4c);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(153, 103, 185, 0.3);
}

/* Content Item Styling */
.content-item {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(153, 103, 185, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.content-item:hover {
    border-color: #9967b9;
    box-shadow: 0 4px 12px rgba(153, 103, 185, 0.1);
    background: rgba(255, 255, 255, 1);
}

.content-item.active {
    border-color: #9967b9;
    background: linear-gradient(135deg, rgba(153, 103, 185, 0.1), rgba(253, 204, 76, 0.1));
    box-shadow: 0 4px 16px rgba(153, 103, 185, 0.15);
}

/* Dark mode content items */
.dark .content-item {
    background: rgba(38, 38, 50, 0.95);
    border-color: rgba(153, 103, 185, 0.3);
}

.dark .content-item:hover {
    background: rgba(38, 38, 50, 1);
    border-color: #9967b9;
    box-shadow: 0 4px 12px rgba(153, 103, 185, 0.2);
}

.dark .content-item.active {
    background: linear-gradient(135deg, rgba(153, 103, 185, 0.15), rgba(253, 204, 76, 0.15));
    border-color: #9967b9;
}

/* Content item text */
.content-item-title {
    color: #1f2937;
    font-weight: 600;
}

.dark .content-item-title {
    color: #f9fafb;
}

.content-item-subtitle {
    color: #6b7280;
}

.dark .content-item-subtitle {
    color: #d1d5db;
}

/* Active state text override */
.content-item.active .content-item-title {
    color: #9967b9;
}

.dark .content-item.active .content-item-title {
    color: #fdcc4c;
}

.dsat-progress-circle {
    stroke: var(--dsat-purple);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s ease-in-out;
}

/* Cards */
.dsat-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: all 0.3s ease;
}

.dsat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px rgba(153, 103, 185, 0.2);
}

.dsat-card-gradient {
    background: linear-gradient(135deg, var(--dsat-purple) 0%, var(--dsat-yellow) 100%);
    color: white;
}

/* Navigation */
.dsat-nav-link {
    color: var(--dsat-dark);
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.dsat-nav-link:hover {
    color: var(--dsat-purple);
}

.dsat-nav-link.active {
    color: var(--dsat-purple);
    font-weight: 600;
}

/* Statistics/Numbers */
.dsat-stat-number {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    color: var(--dsat-purple);
}

.dsat-stat-label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 0.875rem;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Badges */
.dsat-badge {
    background: var(--dsat-purple);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.75rem;
}

.dsat-badge-yellow {
    background: var(--dsat-yellow);
    color: var(--dsat-dark);
}

.dsat-badge-outline {
    background: transparent;
    color: var(--dsat-purple);
    border: 1px solid var(--dsat-purple);
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .dsat-heading-md,
    .dsat-text-bold,
    .dsat-text-regular {
        color: #f9fafb;
    }
    
    .dsat-nav-link {
        color: #f9fafb;
    }
    
    .dsat-card {
        background: #1f2937;
        border-color: #374151;
    }
    
    .dsat-stat-label {
        color: #9ca3af;
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    .dsat-heading-xl {
        font-size: 2rem;
    }
    
    .dsat-heading-lg {
        font-size: 1.5rem;
    }
    
    .dsat-heading-md {
        font-size: 1.25rem;
    }
}

/* Animation Classes */
.dsat-fade-in {
    animation: dsatFadeIn 0.6s ease-out;
}

.dsat-slide-up {
    animation: dsatSlideUp 0.6s ease-out;
}

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

@keyframes dsatSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility Classes */
.dsat-text-purple { color: var(--dsat-purple) !important; }
.dsat-text-yellow { color: var(--dsat-yellow) !important; }
.dsat-text-dark { color: var(--dsat-dark) !important; }

.dsat-bg-purple { background-color: var(--dsat-purple) !important; }
.dsat-bg-yellow { background-color: var(--dsat-yellow) !important; }
.dsat-bg-dark { background-color: var(--dsat-dark) !important; }

.dsat-border-purple { border-color: var(--dsat-purple) !important; }
.dsat-border-yellow { border-color: var(--dsat-yellow) !important; }

/* Border radius following DSAT design */
.dsat-rounded { border-radius: 8px; }
.dsat-rounded-lg { border-radius: 12px; }
.dsat-rounded-xl { border-radius: 16px; }

/* Shadows */
.dsat-shadow { box-shadow: 0 4px 6px -1px rgba(153, 103, 185, 0.1); }
.dsat-shadow-lg { box-shadow: 0 8px 25px -5px rgba(153, 103, 185, 0.2); }

/* Course Cards Enhancement */
.dsat-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .dsat-course-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Course card hover effect enhancement */
.dsat-card-course {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
}

.dsat-card-course:hover {
    border-color: var(--dsat-purple-light);
    box-shadow: 0 20px 25px -5px rgba(153, 103, 185, 0.1), 0 10px 10px -5px rgba(153, 103, 185, 0.04);
}

/* Enhanced animations */
.dsat-stagger-animation {
    animation-fill-mode: both;
}

.dsat-stagger-animation:nth-child(1) { animation-delay: 0ms; }
.dsat-stagger-animation:nth-child(2) { animation-delay: 100ms; }
.dsat-stagger-animation:nth-child(3) { animation-delay: 200ms; }
.dsat-stagger-animation:nth-child(4) { animation-delay: 300ms; }
.dsat-stagger-animation:nth-child(5) { animation-delay: 400ms; }
.dsat-stagger-animation:nth-child(6) { animation-delay: 500ms; }
.dsat-stagger-animation:nth-child(7) { animation-delay: 600ms; }
.dsat-stagger-animation:nth-child(8) { animation-delay: 700ms; }

/* Form enhancements */
.dsat-form-input {
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
}

.dsat-form-input:focus {
    border-color: var(--dsat-purple);
    box-shadow: 0 0 0 3px rgba(153, 103, 185, 0.1);
    outline: none;
}

.dark .dsat-form-input {
    border-color: #374151;
    background-color: #1f2937;
    color: #f9fafb;
}

.dark .dsat-form-input:focus {
    border-color: var(--dsat-purple-light);
}

/* Enhanced gradient backgrounds for dark mode */
.dark .dsat-gradient-primary {
    background: linear-gradient(135deg, var(--dsat-purple-dark) 0%, #4c1d95 100%);
}

.dark .dsat-gradient-secondary {
    background: linear-gradient(135deg, var(--dsat-purple) 0%, var(--dsat-purple-dark) 100%);
}

/* Loading states */
.dsat-skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: dsatSkeleton 2s infinite;
}

@keyframes dsatSkeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.dark .dsat-skeleton {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
    background-size: 200% 100%;
}

/* Enhanced button states */
.dsat-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(153, 103, 185, 0.2);
}

.dsat-btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(253, 204, 76, 0.2);
}

/* Focus states for accessibility */
.dsat-btn-primary:focus,
.dsat-btn-secondary:focus,
.dsat-btn-outline:focus {
    outline: 2px solid var(--dsat-yellow);
    outline-offset: 2px;
}

/* Enhanced typography for better readability */
.dsat-text-body {
    line-height: 1.6;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
}

.dsat-text-small {
    font-size: 0.875rem;
    line-height: 1.5;
    font-family: 'Montserrat', sans-serif;
}

/* Responsive design improvements */
@media (max-width: 640px) {
    .dsat-heading-xl { font-size: 1.875rem; }
    .dsat-heading-lg { font-size: 1.5rem; }
    .dsat-heading-md { font-size: 1.25rem; }
    
    .dsat-btn-primary,
    .dsat-btn-secondary,
    .dsat-btn-outline {
        padding: 10px 20px;
        font-size: 0.875rem;
    }
}