/* ============================================================
   MathBored Growth Engine Styles
   All UI for growth features. Only visible when flags are on.
   ============================================================ */

/* ── Shared Buttons ────────────────────────────────────────── */

.growth-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}

.growth-btn:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
}

.growth-btn-primary {
    background: linear-gradient(135deg, var(--accent, #3b82f6), var(--accent-hover, #2563eb));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.growth-btn-secondary {
    background: var(--bg-tertiary, #334155);
    color: var(--text-primary, #f1f5f9);
    border: 2px solid var(--border, #475569);
}

.growth-btn-ghost {
    background: transparent;
    color: var(--text-secondary, #94a3b8);
    padding: 10px 16px;
}

.growth-btn-ghost:hover {
    color: var(--text-primary, #f1f5f9);
}

/* ── #1 Daily Challenge Banner ─────────────────────────────── */

.growth-daily-banner {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(16, 185, 129, 0.12));
    border: 2px solid rgba(59, 130, 246, 0.25);
    border-radius: 16px;
    padding: 16px 20px;
    margin-bottom: 20px;
    animation: growthFadeIn 0.4s ease;
}

.growth-daily-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.growth-daily-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.growth-daily-icon {
    font-size: 2rem;
}

.growth-daily-topic {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary, #94a3b8);
    margin-top: 2px;
}

/* ── #2 Challenge Banner ───────────────────────────────────── */

.growth-challenge-banner {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 16px 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    animation: growthSlideDown 0.4s ease;
}

.growth-challenge-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.growth-challenge-icon {
    font-size: 2rem;
}

.growth-challenge-text {
    flex: 1;
}

.growth-challenge-text strong {
    display: block;
    font-size: 1.1rem;
}

.growth-challenge-text span {
    font-size: 0.9rem;
    opacity: 0.9;
}

.growth-challenge-banner .growth-btn-primary {
    background: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

/* ── #6 Practice Heatmap ───────────────────────────────────── */

.growth-heatmap {
    background: var(--bg-secondary, #1e293b);
    border: 2px solid var(--border, #475569);
    border-radius: 16px;
    padding: 20px;
    margin: 20px 0;
}

.growth-heatmap-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary, #f1f5f9);
}

.growth-heatmap-grid {
    display: flex;
    gap: 3px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.growth-heatmap-week {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.growth-heatmap-cell {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    transition: transform 0.1s ease;
}

.growth-heatmap-cell:hover {
    transform: scale(1.4);
}

.growth-heatmap-cell.level-0 { background: var(--bg-tertiary, #334155); }
.growth-heatmap-cell.level-1 { background: #064e3b; }
.growth-heatmap-cell.level-2 { background: #059669; }
.growth-heatmap-cell.level-3 { background: #10b981; }
.growth-heatmap-cell.level-4 { background: #34d399; }

.growth-heatmap-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-secondary, #94a3b8);
    justify-content: flex-end;
}

.growth-heatmap-legend .growth-heatmap-cell {
    width: 12px;
    height: 12px;
}

/* ── #8 Brag Card Overlay ──────────────────────────────────── */

.growth-brag-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: growthFadeIn 0.3s ease;
    padding: 20px;
}

.growth-brag-card {
    background: var(--bg-secondary, #1e293b);
    border: 2px solid var(--border, #475569);
    border-radius: 20px;
    padding: 24px;
    max-width: 640px;
    width: 100%;
    text-align: center;
}

.growth-brag-card img {
    max-width: 100%;
    border-radius: 12px;
    margin-bottom: 16px;
}

.growth-brag-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* ── #11 Embed Modal ───────────────────────────────────────── */

.growth-embed-modal {
    background: var(--bg-secondary, #1e293b);
    border: 2px solid var(--border, #475569);
    border-radius: 20px;
    padding: 32px;
    max-width: 600px;
    width: 100%;
    color: var(--text-primary, #f1f5f9);
}

.growth-embed-modal h3 {
    margin: 0 0 12px;
    font-size: 1.4rem;
}

.growth-embed-modal p {
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 16px;
}

.growth-embed-code {
    width: 100%;
    min-height: 80px;
    background: var(--bg-primary, #0f172a);
    color: var(--accent, #3b82f6);
    border: 2px solid var(--border, #475569);
    border-radius: 10px;
    padding: 16px;
    font-family: monospace;
    font-size: 0.85rem;
    resize: vertical;
}

/* ── #20 Seasonal Banner ───────────────────────────────────── */

.growth-seasonal-banner {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(239, 68, 68, 0.1));
    border: 2px solid rgba(245, 158, 11, 0.3);
    border-radius: 16px;
    padding: 16px 20px;
    margin-bottom: 20px;
    animation: growthFadeIn 0.4s ease;
}

.growth-seasonal-inner {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── #24 Social Proof Banner ───────────────────────────────── */

.growth-social-proof {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(59, 130, 246, 0.08));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
    padding: 12px 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 16px;
    animation: growthFadeIn 0.5s ease;
}

.growth-social-proof strong {
    color: var(--accent, #3b82f6);
    font-size: 1rem;
}

/* ── #25 Install Banner ────────────────────────────────────── */

.growth-install-banner {
    position: fixed;
    bottom: -100px;
    left: 0;
    right: 0;
    z-index: 9998;
    transition: bottom 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.growth-install-banner.show {
    bottom: 0;
}

.growth-install-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    max-width: 800px;
    margin: 0 auto;
    padding: 16px 24px;
    background: var(--bg-secondary, #1e293b);
    border-top: 2px solid var(--accent, #3b82f6);
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
}

.growth-install-text {
    flex: 1;
}

.growth-install-text strong {
    display: block;
    color: var(--text-primary, #f1f5f9);
}

.growth-install-text span {
    font-size: 0.85rem;
    color: var(--text-secondary, #94a3b8);
}

.growth-install-actions {
    display: flex;
    gap: 10px;
}

/* ── Animations ────────────────────────────────────────────── */

@keyframes growthFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes growthSlideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

/* ── Responsive ────────────────────────────────────────────── */

@media (max-width: 640px) {
    .growth-daily-inner {
        flex-direction: column;
        text-align: center;
    }

    .growth-daily-left {
        justify-content: center;
    }

    .growth-challenge-inner {
        flex-direction: column;
        text-align: center;
    }

    .growth-install-inner {
        flex-direction: column;
        text-align: center;
    }

    .growth-install-actions {
        width: 100%;
        justify-content: center;
    }

    .growth-brag-actions {
        flex-direction: column;
    }

    .growth-brag-actions .growth-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── Print styles ──────────────────────────────────────────── */

@media print {
    .growth-daily-banner,
    .growth-challenge-banner,
    .growth-seasonal-banner,
    .growth-social-proof,
    .growth-install-banner,
    .growth-brag-overlay {
        display: none !important;
    }
}