/* ══════════════════════════════════════════════════════════════════════════════
 * Student Preferences Modal Styles
 * ══════════════════════════════════════════════════════════════════════════════ */

/* ── Overlay ───────────────────────────────────────────────────────────────── */
.prefs-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 10, 20, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.prefs-overlay.prefs-visible {
    opacity: 1;
}

/* ── Modal Container ───────────────────────────────────────────────────────── */
.prefs-modal {
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 20px;
    width: 90vw;
    max-width: 720px;
    max-height: 85vh;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
}

/* ── Header ────────────────────────────────────────────────────────────────── */
.prefs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color, #2a2a4a);
    flex-shrink: 0;
}

.prefs-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main, #e0e0ff);
    margin: 0;
}

.prefs-header select {
    background: var(--bg-tertiary, #252545);
    border: 1px solid var(--border-color, #2a2a4a);
    color: var(--text-main, #e0e0ff);
    border-radius: 8px;
    padding: 6px 12px;
    font-family: inherit;
    font-size: 0.9rem;
    margin-left: 16px;
    margin-right: auto;
}

.prefs-header .prefs-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted, #9090b0);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    transition: color 0.2s ease;
}

.prefs-header .prefs-close-btn:hover {
    color: var(--text-main, #e0e0ff);
}

/* ── Body Area ─────────────────────────────────────────────────────────────── */
.prefs-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

/* ── Sections ──────────────────────────────────────────────────────────────── */
.prefs-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-color, #2a2a4a);
}

.prefs-section:last-child {
    border-bottom: none;
}

.prefs-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main, #e0e0ff);
    margin-bottom: 16px;
    margin-top: 0;
}

/* ── Cognitive Type Cards ──────────────────────────────────────────────────── */
.prefs-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.prefs-card {
    background: var(--bg-tertiary, #252545);
    border: 2px solid transparent;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.prefs-card:hover:not(.locked) {
    border-color: var(--accent-primary, #6366f1);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.prefs-card.selected {
    border-color: var(--accent-primary, #6366f1);
    background: rgba(99, 102, 241, 0.15);
}

.prefs-card.locked {
    opacity: 0.5;
    cursor: not-allowed;
    position: relative;
}

.prefs-card .card-emoji {
    font-size: 2rem;
    margin-bottom: 12px;
    display: block;
}

.prefs-card .card-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main, #e0e0ff);
    display: block;
    margin-bottom: 6px;
}

.prefs-card .card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary, #9090b0);
    margin: 0;
    line-height: 1.4;
}

/* ── Tags (Interests) ──────────────────────────────────────────────────────── */
.prefs-tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.prefs-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-tertiary, #252545);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 0.85rem;
    color: var(--text-main, #e0e0ff);
}

.prefs-tag .tag-remove {
    background: transparent;
    border: none;
    color: var(--text-secondary, #9090b0);
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prefs-tag .tag-remove:hover {
    color: var(--text-main, #e0e0ff);
    opacity: 1;
}

.prefs-tag-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color, #2a2a4a);
    color: var(--text-main, #e0e0ff);
    font-size: 0.95rem;
    font-family: inherit;
    padding: 8px 0;
    outline: none;
    transition: border-color 0.2s ease;
}

.prefs-tag-input:focus {
    border-bottom-color: var(--accent-primary, #6366f1);
}

/* ── Preferences Rows ──────────────────────────────────────────────────────── */
.prefs-pref-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-color, #2a2a4a);
    gap: 20px;
}

.prefs-pref-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.prefs-pref-label {
    font-weight: 500;
    color: var(--text-main, #e0e0ff);
    font-size: 0.95rem;
}

.prefs-pref-hint {
    color: var(--text-secondary, #9090b0);
    font-style: italic;
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
}

.prefs-pref-locked {
    opacity: 0.5;
    cursor: not-allowed;
}

.prefs-pref-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.prefs-pref-option {
    background: var(--bg-tertiary, #252545);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px;
    padding: 8px 16px;
    color: var(--text-main, #e0e0ff);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    font-family: inherit;
}

.prefs-pref-option:hover:not(:disabled) {
    border-color: var(--accent-primary, #6366f1);
}

.prefs-pref-option.selected {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent-primary, #6366f1);
    color: var(--text-main, #e0e0ff);
}

.prefs-pref-option:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Insights Row ──────────────────────────────────────────────────────────── */
.prefs-insight-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary, #252545);
    border-radius: 8px;
    margin-top: 12px;
}

.prefs-insight-label {
    color: var(--text-secondary, #9090b0);
    font-size: 0.9rem;
}

.prefs-insight-value {
    color: var(--accent-primary, #6366f1);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ── Error ─────────────────────────────────────────────────────────────────── */
.prefs-error {
    color: #ef4444;
    padding: 0 24px;
    min-height: 20px;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

/* ── Actions / Footer ──────────────────────────────────────────────────────── */
.prefs-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color, #2a2a4a);
    flex-shrink: 0;
}

.prefs-actions button {
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.prefs-reset-btn {
    background: transparent;
    border: 1px solid var(--border-color, #2a2a4a);
    color: var(--text-secondary, #9090b0);
}

.prefs-reset-btn:hover {
    color: var(--text-main, #e0e0ff);
    border-color: var(--text-secondary, #9090b0);
}

.prefs-save-btn {
    background: var(--accent-primary, #6366f1);
    border: none;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.prefs-save-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.prefs-save-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    box-shadow: none;
}