/*
Theme Name: Sphotography
Theme URI: https://example.com/sphotography
Author: Shirazu Nagisa
Author URI: https://example.com
Description: A fullscreen map-based photography theme with article sidebar and photo grid.
Version: 2.0.0
License: GPL v2 or later
Text Domain: sphotography
*/

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&display=swap');

/* ============================================
   1. CSS Variables & Reset
   ============================================ */
:root {
    --sidebar-width: 300px;
    --panel-radius: var(--sphotography-card-radius, 16px);
    --panel-shadow: var(--sphotography-card-shadow, 0 1px 3px rgba(0,0,0,0.06));
    --panel-bg: rgba(20, 20, 20, 0.78);
    --panel-blur: blur(18px);
    --panel-border: 1px solid rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;
    --primary: var(--sphotography-primary-color, #e67e22);
    --bg: var(--sphotography-bg, #0b0b0b);
    --transition-speed: 0.35s;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html, body {
    height: 100%;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

img { display:block; max-width:100%; }

/* ============================================
   2. Glass Panel Base
   ============================================ */
.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--panel-blur);
    -webkit-backdrop-filter: var(--panel-blur);
    border: var(--panel-border);
    border-radius: var(--panel-radius);
    box-shadow: var(--panel-shadow);
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

/* Opaque override */
body.opaque-panels .glass-panel {
    background: #1a1a1a;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* ============================================
   3. Map
   ============================================ */
#map {
    position: fixed;
    top: 0;
    left: 300px;
    right: 0;
    bottom: 0;
    z-index: 1;
    transition: left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

body.sidebar-collapsed #map {
    left: 0;
}

/* ============================================
   4. Sidebar
   ============================================ */
.sidebar {
    position: fixed;
    left: 16px;
    top: 16px;
    bottom: 16px;
    width: var(--sidebar-width);
    z-index: 50;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(0);
    opacity: 1;
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

body.sidebar-collapsed .sidebar {
    transform: translateX(calc(-1 * (var(--sidebar-width) + 20px)));
    opacity: 0;
    pointer-events: none;
}

/* Search */
.sidebar-search {
    position: relative;
    padding: 14px 16px 8px;
    flex-shrink: 0;
}

.sidebar-search input {
    width: 100%;
    padding: 10px 36px 10px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.2s;
}

.sidebar-search input:focus {
    border-color: var(--primary);
}

.sidebar-search input::placeholder {
    color: var(--text-muted);
}

.sidebar-search-icon {
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Post list (scrollable) */
.sidebar-posts {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-posts::-webkit-scrollbar { width: 3px; }
.sidebar-posts::-webkit-scrollbar-track { background: transparent; }
.sidebar-posts::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }

/* Post card inside sidebar */
.post-card {
    display: flex;
    gap: 12px;
    padding: 10px 14px;
    border-radius: calc(var(--panel-radius) * 0.7);
    cursor: pointer;
    transition: background 0.2s;
    background: rgba(255,255,255,0.03);
    border: 1px solid transparent;
    flex-shrink: 0;
}

.post-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.06);
}

.post-card-thumb {
    width: 56px;
    height: 56px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: #1a1a1a;
}

.post-card-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

.post-card-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Sidebar footer */
.sidebar-footer {
    padding: 8px 12px 12px;
    flex-shrink: 0;
}

.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-toggle-btn:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
}

/* Sidebar expand button (shown when collapsed) */
.sidebar-expand-btn {
    position: fixed;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 45;
    width: 40px;
    height: 72px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: var(--panel-border);
    background: var(--panel-bg);
    backdrop-filter: var(--panel-blur);
    color: var(--text-secondary);
    transition: all 0.2s;
    border-radius: 12px;
}

.sidebar-expand-btn:hover {
    color: var(--text-primary);
    background: rgba(40,40,40,0.85);
}

body.sidebar-collapsed .sidebar-expand-btn {
    display: flex;
}

/* ============================================
   5. Article Panel (overlay)
   ============================================ */
.article-panel {
    position: fixed;
    left: 340px;
    top: 16px;
    bottom: 16px;
    width: min(600px, calc(100vw - 380px));
    z-index: 60;
    padding: 24px 28px;
    overflow-y: auto;
    transform: translateX(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.article-panel.active {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

.article-panel-header {
    margin-bottom: 20px;
    padding-right: 32px;
}

.article-panel-header h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
}

.article-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.article-content {
    font-size: 0.9375rem;
    line-height: 1.75;
    color: #d0d0d0;
}

.article-content p { margin-bottom: 1.2em; }
.article-content h1, .article-content h2, .article-content h3, .article-content h4 {
    font-family: 'Playfair Display', serif;
    color: var(--text-primary);
    margin: 1.5em 0 0.6em;
}
.article-content h2 { font-size: 1.4rem; }
.article-content h3 { font-size: 1.2rem; }
.article-content img {
    border-radius: 12px;
    margin: 1.5em 0;
}
.article-content blockquote {
    border-left: 3px solid var(--primary);
    padding-left: 16px;
    margin: 1.2em 0;
    color: var(--text-secondary);
    font-style: italic;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
}
.article-content ul, .article-content ol {
    padding-left: 20px;
    margin-bottom: 1.2em;
}
.article-content li { margin-bottom: 0.4em; }
.article-content figure { margin: 1.5em 0; }
.article-content figcaption {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 6px;
}
.article-content iframe {
    max-width: 100%;
    border-radius: 12px;
}

/* ============================================
   6. Photo Grid Panel
   ============================================ */
.photo-grid-panel {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: 55;
    width: min(520px, calc(100vw - 48px));
    max-height: min(560px, calc(100vh - 48px));
    padding: 20px 20px 16px;
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.photo-grid-panel.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    pointer-events: auto;
}

.photo-grid-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    padding-right: 32px;
}

.photo-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    overflow-y: auto;
    flex: 1;
    padding: 4px 2px;
}

.photo-grid-container::-webkit-scrollbar { width: 3px; }
.photo-grid-container::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 2px; }

.photo-grid-item {
    aspect-ratio: 1;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    background: #1a1a1a;
    position: relative;
    transition: transform 0.2s;
}

.photo-grid-item:hover {
    transform: scale(1.03);
}

.photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-grid-item .photo-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 8px 6px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    font-size: 0.75rem;
    color: var(--text-primary);
    opacity: 0;
    transition: opacity 0.2s;
}

.photo-grid-item:hover .photo-item-overlay {
    opacity: 1;
}

/* ============================================
   7. Panel Close Button (unified)
   ============================================ */
.panel-close-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(0,0,0,0.4);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.2s;
}

.panel-close-btn:hover {
    background: rgba(0,0,0,0.65);
    color: var(--text-primary);
}

.panel-close-btn.small {
    width: 26px;
    height: 26px;
}

/* ============================================
   8. Filter Panel (updated)
   ============================================ */
.filter-panel {
    position: fixed;
    left: 16px;
    bottom: 80px;
    width: 240px;
    max-height: 50vh;
    z-index: 40;
    padding: 16px 18px;
    overflow-y: auto;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.filter-panel.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
}

.filter-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.filter-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

body.sidebar-collapsed .filter-panel {
    left: 70px;
}

.filter-toggle-btn {
    position: fixed;
    left: 16px;
    bottom: 24px;
    z-index: 40;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    border: var(--panel-border);
    transition: all 0.2s;
}

.filter-toggle-btn:hover {
    color: var(--text-primary);
    background: rgba(40,40,40,0.85);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-btn {
    padding: 5px 12px;
    font-size: 0.78125rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.tag-btn:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.1);
}

.tag-btn.active {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

.tag-count {
    margin-left: 3px;
    font-size: 0.7rem;
    opacity: 0.6;
}

/* ============================================
   9. Detail Sheet (existing, for mobile use)
   ============================================ */
.detail-sheet {
    position: fixed;
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    width: 100%;
    max-height: 70vh;
    z-index: 60;
    border-radius: var(--panel-radius) var(--panel-radius) 0 0;
    border-top: var(--panel-border);
    transform: translateY(100%);
    opacity: 0;
    overflow-y: auto;
    transition: transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                opacity var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.detail-sheet.active {
    transform: translateY(0);
    opacity: 1;
}

.detail-content { padding: 16px 20px 24px; }
.drag-handle {
    width: 36px; height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    margin: 6px auto 12px;
}
.detail-img { width:100%; height:200px; object-fit:cover; border-radius:12px; margin-bottom:14px; background:#1a1a1a; }
.detail-title { font-family:'Playfair Display',serif; font-size:1.25rem; font-weight:700; margin-bottom:10px; }
.detail-meta { display:flex; flex-wrap:wrap; gap:6px 14px; font-size:0.78125rem; color:var(--text-secondary); margin-bottom:12px; }
.detail-meta-item { display:flex; align-items:center; gap:4px; }
.detail-meta-item svg { width:13px; height:13px; opacity:0.5; }
.detail-desc { font-size:0.875rem; line-height:1.7; color:#c0c0c0; margin-bottom:12px; }
.detail-tags { display:flex; flex-wrap:wrap; gap:6px; }
.detail-tag {
    padding:3px 10px; font-size:0.7rem;
    background:rgba(230,126,34,0.12); color:var(--primary);
    border:1px solid rgba(230,126,34,0.2); border-radius:10px;
}

/* ============================================
   10. About Trigger & Card
   ============================================ */
.about-trigger {
    position: fixed;
    right: 16px;
    bottom: 24px;
    z-index: 35;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    border: var(--panel-border);
    transition: all 0.2s;
}

.about-trigger:hover {
    color: var(--text-primary);
    background: rgba(40,40,40,0.85);
}

.about-card {
    position: fixed;
    right: 70px;
    bottom: 24px;
    z-index: 35;
    max-width: 280px;
    padding: 18px 20px;
    transition: opacity 0.3s, transform 0.3s;
    transform-origin: bottom right;
}

.about-card.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
}

.about-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    object-fit: cover; margin-bottom: 10px;
}

.about-card h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    margin-bottom: 6px;
}

.about-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.about-hitokoto {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255,255,255,0.06);
    font-size: 0.78125rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ============================================
   11. Loading Overlay
   ============================================ */
.loading-overlay {
    position: fixed; inset: 0; z-index: 999;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg);
    transition: opacity 0.6s;
}
.loading-overlay.fade-out { opacity:0; pointer-events:none; }
.loading-spinner {
    width:36px; height:36px;
    border:3px solid rgba(255,255,255,0.06);
    border-top-color:var(--primary);
    border-radius:50%;
    animation:spin 0.8s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

/* ============================================
   12. Responsive: Tablet (768-1199px)
   ============================================ */
@media (max-width: 1199px) {
    .sidebar {
        width: 260px;
        left: 12px;
        top: 12px;
        bottom: 12px;
    }
    #map { left: 260px; }
    body.sidebar-collapsed #map { left: 0; }
    .article-panel {
        left: 290px;
        width: min(480px, calc(100vw - 320px));
    }
    .filter-panel {
        left: 12px;
        bottom: 72px;
        width: 200px;
    }
    body.sidebar-collapsed .filter-panel { left: 60px; }
}

/* ============================================
   13. Responsive: Mobile (< 768px)
   ============================================ */
@media (max-width: 767px) {
    :root { --sidebar-width: 100vw; }

    #map { left: 0; }

    .sidebar {
        left: 0; top: 0; bottom: 0;
        border-radius: 0;
        z-index: 70;
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
        opacity: 1;
        pointer-events: auto;
    }
    body.sidebar-collapsed .sidebar { transform: translateX(-100%); }

    .sidebar-expand-btn {
        left: 8px;
        width: 36px;
        height: 60px;
        z-index: 65;
        border-radius: 10px;
    }

    /* Filter: bottom sheet on mobile */
    .filter-panel {
        left: 0; right: 0; bottom: 0; top: auto;
        width: 100%; max-height: 55vh;
        border-radius: var(--panel-radius) var(--panel-radius) 0 0;
        z-index: 75;
        transform: translateY(100%);
        opacity: 0;
    }
    .filter-panel.open {
        transform: translateY(0);
        opacity: 1;
    }
    body.sidebar-collapsed .filter-panel { left: 0; }

    .filter-toggle-btn {
        left: 12px;
        bottom: 16px;
        z-index: 30;
    }

    .article-panel {
        left: 8px; right: 8px; top: 8px; bottom: 8px;
        width: auto;
        border-radius: var(--panel-radius);
        z-index: 80;
        padding: 20px;
    }

    .photo-grid-panel {
        width: calc(100vw - 24px);
        max-height: 50vh;
        top: auto;
        bottom: 12px;
        left: 12px;
        right: 12px;
        transform: translateY(100%);
        border-radius: var(--panel-radius) var(--panel-radius) 0 0;
    }
    .photo-grid-panel.active {
        transform: translateY(0);
    }

    .about-trigger {
        right: 12px;
        bottom: 68px;
    }

    .about-card {
        right: 12px;
        bottom: 120px;
        left: 12px;
        max-width: none;
    }

    .detail-sheet {
        z-index: 80;
    }

    .panel-close-btn {
        width: 36px;
        height: 36px;
    }
}

/* ============================================
   14. Animation Support
   ============================================ */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   15. MapLibre Overrides
   ============================================ */
.maplibregl-ctrl-top-right { top: 12px; right: 12px; }
.maplibregl-ctrl-group {
    background: rgba(20,20,20,0.75) !important;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.06) !important;
    border-radius: 10px !important;
    overflow: hidden;
}
.maplibregl-ctrl-group button { background:transparent !important; border-color:rgba(255,255,255,0.06) !important; }
.maplibregl-ctrl-group button:hover { background:rgba(255,255,255,0.08) !important; }
.maplibregl-ctrl-group button span { filter:invert(1); }