/* ==========================================================================
   VibeAudio App Sections & Surfaces — Stage A
   Tactile Editorial Listening Sanctuary
   ========================================================================== */

/* --- 1. PROFILE & ABOUT SURFACES --- */
.profile-card {
    background: var(--color-surface-1);
    padding: 36px;
    border-radius: var(--radius-sheet);
    max-width: 820px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    text-align: left;
}

.about-card {
    text-align: left;
    max-width: 820px;
    margin: 0 auto;
}

.about-version {
    color: var(--color-text-dim);
    margin-top: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.about-copy {
    display: grid;
    gap: 14px;
    margin: 24px 0;
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Profile Header */
.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--color-border-strong);
    padding: 2px;
    object-fit: cover;
    box-shadow: var(--shadow-subtle);
    background: var(--color-surface-2);
}

.profile-header h2 {
    font-family: var(--font-display);
    font-size: 1.65rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0 0 4px;
    line-height: 1.1;
}

.user-badge {
    background: var(--color-surface-2);
    color: var(--color-accent);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.76rem;
    font-weight: 600;
    border: 1px solid var(--color-border);
    display: inline-block;
}

.profile-summary-copy {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 0.92rem;
}

.profile-sync-note {
    margin-bottom: 24px;
}

/* --- 2. STATS GRIDS & STAT BOXES --- */
.stats-container,
.profile-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}

.stat-box {
    background: var(--color-surface-2);
    padding: 18px 20px;
    border-radius: var(--radius-panel);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-subtle);
}

.stat-box h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 2px;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.stat-box p {
    font-size: 0.82rem;
    color: var(--color-text-dim);
    margin: 0;
}

/* --- 3. OFFLINE STORAGE PANEL --- */
.offline-storage-panel {
    margin-bottom: 28px;
    padding: 22px;
    border-radius: var(--radius-panel);
    border: 1px solid var(--color-border);
    background: var(--color-surface-2);
    box-shadow: var(--shadow-subtle);
    text-align: left;
}

.offline-storage-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.offline-storage-mode {
    margin-top: 14px;
    color: var(--color-text-dim);
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Stack Header */
.stack-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.stack-header h3 {
    margin: 0 0 2px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.stack-header p {
    margin: 0;
    color: var(--color-text-dim);
    font-size: 0.84rem;
    line-height: 1.4;
}

/* --- 4. BUTTON SYSTEM --- */
.profile-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

/* Base button defaults */
.solid-btn,
.action-btn,
.btn-secondary,
.btn-danger,
.glass-back-btn,
.mini-action-btn,
.compact-btn,
.bookmark-remove {
    min-height: 44px;
    padding: 10px 20px;
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    text-decoration: none;
    user-select: none;
    -webkit-user-select: none;
}

/* Primary Action Buttons */
.solid-btn,
.action-btn {
    background: var(--color-accent);
    color: #0C0D11;
    border: 1px solid var(--color-accent);
    box-shadow: var(--shadow-subtle);
}

.solid-btn:hover,
.action-btn:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-card);
}

.solid-btn:active,
.action-btn:active {
    transform: scale(0.97);
}

/* Secondary Buttons */
.btn-secondary,
.ghost-btn,
.glass-back-btn,
.mini-action-btn {
    background: var(--color-surface-2);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover,
.ghost-btn:hover,
.glass-back-btn:hover,
.mini-action-btn:hover {
    background: var(--color-surface-3);
    border-color: var(--color-border-strong);
    color: var(--color-text-primary);
    transform: translateY(-1px);
}

.btn-secondary:active,
.ghost-btn:active,
.glass-back-btn:active,
.mini-action-btn:active {
    transform: scale(0.97);
}

/* Danger Buttons */
.btn-danger,
.bookmark-remove,
.subtle-danger {
    background: var(--color-danger-soft);
    color: var(--color-danger);
    border: 1px solid var(--color-danger-border);
}

.btn-danger:hover,
.bookmark-remove:hover,
.subtle-danger:hover {
    background: var(--color-danger);
    color: #FFFFFF;
    border-color: var(--color-danger);
    transform: translateY(-1px);
}

.btn-danger:active,
.bookmark-remove:active,
.subtle-danger:active {
    transform: scale(0.97);
}

/* Compact Buttons */
.compact-btn {
    min-height: 36px;
    padding: 6px 14px;
    font-size: 0.8rem;
}

/* Glass Back Button */
.glass-back-btn {
    margin-bottom: 18px;
    width: fit-content;
}

/* --- 5. COMMENTS & NOTES (VIBE CHECK) --- */
.comments-section {
    margin-top: 0;
    padding: 20px;
    border-radius: var(--radius-panel);
    border: 1px solid var(--color-border);
    background: var(--color-surface-1);
    box-shadow: var(--shadow-subtle);
}

.add-comment-box {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    background: var(--color-surface-2);
    padding: 6px 8px 6px 14px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
}

#comment-input {
    flex-grow: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    outline: none;
    font-size: 0.9rem;
}

#comment-input::placeholder {
    color: var(--color-text-dim);
}

#post-comment-btn {
    background: var(--color-accent);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    color: #0C0D11;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

#post-comment-btn:hover {
    background: var(--color-accent-hover);
    transform: scale(1.05);
}

.comment-item {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    background: var(--color-surface-2);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    animation: fadeIn var(--transition-fast) ease;
}

.comment-time {
    border: 1px solid var(--color-border);
    background: var(--color-surface-3);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.78rem;
    font-family: var(--font-mono);
    cursor: pointer;
    align-self: flex-start;
    transition: background var(--transition-fast);
}

.comment-time:hover {
    background: var(--color-accent-soft);
}

.comment-user {
    font-size: 0.76rem;
    color: var(--color-text-dim);
    display: block;
    margin-bottom: 2px;
}

/* --- 6. UPDATE TOAST & STREAK POPUP --- */
#update-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--color-surface-overlay);
    border: 1px solid var(--color-border-strong);
    box-shadow: var(--shadow-sheet);
    padding: 14px 20px;
    border-radius: var(--radius-panel);
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 2000;
    transform: translateY(100px);
    opacity: 0;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(16px);
}

#update-toast.show {
    transform: translateY(0);
    opacity: 1;
}

#update-toast p {
    margin: 0;
    color: var(--color-text-primary);
    font-size: 0.88rem;
    font-weight: 500;
}

#reload-btn {
    background: var(--color-accent);
    color: #0C0D11;
    border: none;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

#reload-btn:hover {
    background: var(--color-accent-hover);
}

#streak-popup {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    text-align: center;
    padding: 24px;
}

.fire-anim {
    font-size: 4rem;
    animation: bounce 1.2s infinite alternate ease-in-out;
}

@keyframes bounce {
    from { transform: translateY(0); }
    to { transform: translateY(-14px); }
}

#streak-popup h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    color: var(--color-text-primary);
    margin: 16px 0 8px;
    font-weight: 600;
}

#streak-popup p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    font-size: 1rem;
}

#streak-popup button {
    background: var(--color-accent);
    color: #0C0D11;
    border: none;
    padding: 12px 32px;
    font-size: 1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-weight: 600;
    box-shadow: var(--shadow-card);
    transition: background var(--transition-fast);
}

#streak-popup button:hover {
    background: var(--color-accent-hover);
}

/* --- 7. HOME EMPTY SANCTUARY --- */
.home-empty-sanctuary {
    padding: 56px 24px;
    border-radius: var(--radius-sheet);
    border: 1px dashed var(--color-border-strong);
    background: var(--color-surface-1);
    text-align: center;
    max-width: 600px;
    margin: 32px auto 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.empty-sanctuary-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 6px;
    box-shadow: var(--shadow-subtle);
}

.home-empty-sanctuary h2 {
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.home-empty-sanctuary p {
    color: var(--color-text-secondary);
    font-size: 0.94rem;
    max-width: 44ch;
    line-height: 1.6;
    margin: 0 0 10px;
}

/* --- 8. CURATED DISCOVERY GRID --- */
.discovery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.discovery-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-panel);
    background: var(--color-surface-1);
    border: 1px solid var(--color-border);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.discovery-card:hover {
    background: var(--color-surface-2);
    border-color: var(--color-border-strong);
    transform: translateY(-2px);
}

.discovery-card img {
    width: 52px;
    height: 78px;
    aspect-ratio: 2 / 3;
    border-radius: var(--radius-sm);
    object-fit: cover;
    box-shadow: var(--shadow-subtle);
    flex-shrink: 0;
    background: var(--color-surface-2);
}

.discovery-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.discovery-info strong {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.discovery-info span {
    font-size: 0.78rem;
    color: var(--color-text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- 9. RECENT SEARCHES PANEL --- */
.recent-searches-panel {
    margin-bottom: 18px;
    padding: 12px 16px;
    background: var(--color-surface-1);
    border-radius: var(--radius-panel);
    border: 1px solid var(--color-border);
}

.recent-searches-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.recent-searches-header span {
    font-size: 0.72rem;
    color: var(--color-text-dim);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.clear-recent-btn {
    background: none;
    border: none;
    color: var(--color-text-dim);
    font-size: 0.75rem;
    cursor: pointer;
    padding: 2px 6px;
}

.clear-recent-btn:hover {
    color: var(--color-accent);
}

.recent-searches-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.recent-search-tag {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.recent-search-tag:hover {
    background: var(--color-surface-3);
    border-color: var(--color-accent-border);
    color: var(--color-text-primary);
}

/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 768px) {
    .profile-card,
    .about-card {
        padding: 22px 18px;
        border-radius: var(--radius-panel);
    }

    .profile-header {
        flex-direction: row;
        align-items: center;
        gap: 16px;
    }

    .avatar {
        width: 64px;
        height: 64px;
    }

    .stats-container,
    .profile-stats-grid,
    .offline-storage-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .profile-actions {
        flex-direction: column;
    }

    .profile-actions button {
        width: 100%;
        justify-content: center;
    }

    .discovery-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}