/* Dissertation Info Page CSS */

:root {
    --primary-color: #2563EB;
    --primary-color-dark: #1D4ED8;
    --primary-color-light: #EFF6FF;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --border-color: #E2E8F0;
    --success-color: #22C55E;
    --warning-color: #F59E0B;
}

body {
    background-color: #F8FAFC;
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

.main-content {
    min-height: 100vh;
    padding-top: 80px;
    /* Header height */
    transition: margin-left 0.3s ease;
}

@media (max-width: 992px) {
    .main-content {
        margin-left: 0;
    }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.info-container {
    background: white;
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    margin-bottom: 2rem;
}

.beta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #E0F2FE;
    color: #0284C7;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.hero-section {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

/* Features Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: #F8FAFC;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-2px);
    background: white;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-color-light);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Supported Classes */
.supported-classes {
    background: #F0FDF4;
    /* Green-50 */
    border: 1px solid #BBF7D0;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.class-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.class-badge {
    background: white;
    border: 1px solid #E2E8F0;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Grid Controls */
.grid-controls-container {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 2rem;
}

.grid-controls-wrapper {
    background: #F8FAFC;
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.grid-controls-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.control-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-select {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
    background-color: white;
    cursor: pointer;
    transition: border-color 0.2s;
}

.form-select:hover {
    border-color: #cbd5e1;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-light);
}

/* Locked State */
.locked-state {
    text-align: center;
    padding: 4rem 2rem;
    background: #F8FAFC;
    border-radius: 16px;
    border: 2px dashed #CBD5E1;
    margin-top: 2rem;
}

.lock-icon {
    font-size: 3rem;
    color: #94A3B8;
    margin-bottom: 1.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

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

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #F8FAFC;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--primary-color);
}