:root {
    --bg: #05060a;
    --panel: rgba(255, 255, 255, 0.04);
    --panel-strong: rgba(255, 255, 255, 0.08);
    --stroke: rgba(255, 255, 255, 0.12);
    --text: #f4f5fb;
    --muted: rgba(244, 245, 251, 0.7);
    --accent: #7c7eff;
    --accent-2: #9f7aea;
    --success: #3ad6a8;
    --warning: #f6c452;
    --danger: #f16b6b;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    margin: 0;
    padding: 20px;
    background: radial-gradient(circle at 20% 20%, rgba(124, 126, 255, 0.08), transparent 35%),
                radial-gradient(circle at 80% 0%, rgba(159, 122, 234, 0.12), transparent 40%),
                var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.wireframe-container {
    max-width: 1200px;
    margin: 0 auto;
}

.wireframe {
    background: rgba(6, 7, 12, 0.9);
    border: 1px solid var(--stroke);
    margin: 30px 0;
    padding: 0;
    border-radius: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(12px);
}

.wireframe-header {
    background: linear-gradient(135deg, rgba(124,126,255,0.35), rgba(159,122,234,0.28));
    color: var(--text);
    padding: 16px 22px;
    font-weight: 700;
    font-size: 18px;
    border-bottom: 1px solid var(--stroke);
    border-top-left-radius: 18px;
    border-top-right-radius: 18px;
}

.wireframe-content {
    padding: 20px;
}

.mockup-box {
    border: 1px solid var(--stroke);
    padding: 16px;
    margin: 15px 0;
    background: rgba(12, 13, 18, 0.9);
    border-radius: 14px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}


.mockup-input,
.mockup-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--stroke);
    margin: 8px 0;
    box-sizing: border-box;
    border-radius: 12px;
    background: rgba(18, 20, 28, 0.9);
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.mockup-input:focus,
.mockup-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124, 126, 255, 0.25);
}

.mockup-textarea {
    min-height: 120px;
    resize: vertical;
}

.mockup-button {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    padding: 12px 30px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    margin: 10px 5px;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(124, 126, 255, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mockup-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(124, 126, 255, 0.45);
}

.mockup-button a {
    color: white !important;
    text-decoration: none !important;
}

.mockup-button.secondary {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--stroke);
    box-shadow: none;
}

.mockup-button.premium {
    background: linear-gradient(135deg, var(--success), #24c68a);
    box-shadow: 0 12px 30px rgba(58, 214, 168, 0.35);
}

.score-display {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: white;
    margin: 20px 0;
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.score-letter {
    font-size: 72px;
    font-weight: 900;
    margin: 10px 0;
}

.score-description {
    font-size: 22px;
    margin: 10px 0;
    color: rgba(255,255,255,0.9);
}

.obscured-score .score-letter {
    filter: blur(10px);
    user-select: none;
}

.obscured-score .score-description {
    opacity: 0.9;
}

.obscured-score::after {
    content: 'Upgrade to unlock full score details';
    display: inline-block;
    margin-top: 10px;
    padding: 8px 14px;
    border-radius: 12px;
    background: rgba(5, 6, 10, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 14px;
    font-weight: 600;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.result-card {
    border: 1px solid var(--stroke);
    padding: 20px;
    background: rgba(10, 11, 16, 0.92);
    border-radius: 14px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.result-card h3 {
    margin-top: 0;
    color: var(--text);
}

.blur-overlay {
    position: relative;
    filter: blur(3px);
    opacity: 0.6;
}

.unlock-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(5,6,10,0.95);
    color: var(--text);
    padding: 22px;
    text-align: center;
    border-radius: 12px;
    border: 1px solid var(--stroke);
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

.pricing-tier {
    border: 1px solid var(--stroke);
    padding: 22px;
    margin: 15px 0;
    text-align: center;
    background: var(--panel);
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.25);
}

.pricing-tier.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(124,126,255,0.15), rgba(159,122,234,0.12));
}

.navigation {
    background: linear-gradient(135deg, rgba(32, 34, 46, 0.92), rgba(52, 56, 70, 0.9));
    color: var(--text);
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.nav-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-link {
    color: #f6f7ff;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 10px;
    transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text);
}

.nav-link.active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(124, 126, 255, 0.35);
}

.mobile-note {
    background: rgba(255, 255, 255, 0.06);
    padding: 10px;
    margin: 10px 0;
    border-left: 4px solid var(--accent);
    font-style: italic;
    color: var(--muted);
}

.gradient-heading {
    background: linear-gradient(135deg, #ffffff, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .navigation {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Paywall styles */
.paywall-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5,6,10,0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 14px;
}

.paywall-content {
    background: linear-gradient(135deg, rgba(124,126,255,0.12), rgba(159,122,234,0.1));
    padding: 30px;
    border-radius: 14px;
    text-align: center;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow);
    border: 1px solid var(--stroke);
}

.paywall-content h3 {
    margin-top: 0;
    color: var(--text);
}

.paywall-buttons {
    margin-top: 20px;
}

.paywall-buttons .mockup-button {
    display: block;
    width: 100%;
    margin: 10px 0;
}

.blurred-content {
    filter: blur(3px);
    opacity: 0.6;
    pointer-events: none;
}

/* Recommended classes styling (results page) */
.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 10px 0;
}

.class-card {
    background: var(--panel-strong);
    border: 1px solid var(--stroke);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(10px);
}

.class-badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid var(--stroke);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.class-number {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 6px;
}

.class-description {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}