/* ========== Onboarding Page Styles ========== */

.subject-option {
    cursor: pointer;
    transition: border-color 0.2s, transform 0.25s, background 0.2s;
    position: relative;
    overflow: hidden;
}

.subject-option::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.subject-option:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    background: var(--card);
}

.subject-option:hover::before {
    opacity: 1;
}

.subject-option::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.subject-option:hover::after {
    transform: scaleX(1);
}

.subject-option.selected {
    border-color: var(--accent);
    background: color-mix(in oklch, var(--accent) 8%, transparent);
}

.subject-option {
    position: relative;
}

.language-option {
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.language-option:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.language-option.selected {
    border-color: var(--accent);
    background: color-mix(in oklch, var(--accent) 12%, transparent);
}

.language-option .lang-flag {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

/* Progress indicator at top */
.onboarding-progress {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.progress-step {
    flex: 1;
    height: 4px;
    background: var(--bg-3);
    border-radius: 999px;
    transition: background 0.3s;
}

.progress-step.active {
    background: var(--accent);
}

.progress-step.completed {
    background: #4ade80;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .subject-option .card-title {
        font-size: 1rem;
    }
    
    .language-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .language-option {
        padding: 0.95rem 0.75rem;
    }
}

@media (max-width: 520px) {
    .app-nav .page-title {
        display: none;
    }
    .app-nav .nav-actions .badge {
        display: none;
    }
}