/* ============================================
   Personal Space -- Brutalist Styles
   Dual theme: dark (default) + warm glass
   ============================================ */

/* --- CSS Custom Properties --- */
:root, [data-theme="dark"] {
  --bg: #0d0d0d;
  --bg-secondary: #111;
  --text: #cccccc;
  --text-muted: #666666;
  --text-strong: #e0e0e0;
  --border: #333333;
  --border-strong: #1a1a1a;
  --accent: #cc4444;
  --accent-glow: rgba(204,68,68,0.3);
  --card-bg: #111111;
  --font-display: 'Impact', 'Arial Black', 'Helvetica Neue', sans-serif;
  --font-body: Georgia, 'Times New Roman', serif;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --input-bg: #1a1a1a;
  --input-text: #e0e0e0;
  --button-primary-bg: #e0e0e0;
  --button-primary-text: #0d0d0d;
  --overlay-bg: rgba(13,13,13,0.95);
}

[data-theme="warm"] {
  --bg: linear-gradient(135deg, #fef9f0 0%, #fdf2e4 40%, #f8e8d0 100%);
  --bg-secondary: rgba(255,255,255,0.5);
  --text: #5c3d2e;
  --text-muted: #b8a393;
  --text-strong: #3d2616;
  --border: rgba(212,165,116,0.4);
  --border-strong: #d4a574;
  --accent: #cc4444;
  --accent-glow: rgba(212,165,116,0.25);
  --card-bg: rgba(255,255,255,0.5);
  --font-display: 'Times New Roman', Georgia, serif;
  --font-body: Georgia, 'Times New Roman', serif;
  --font-mono: 'Courier New', 'Consolas', monospace;
  --input-bg: #ffffff;
  --input-text: #3d2616;
  --button-primary-bg: #3d2616;
  --button-primary-text: #fef9f0;
  --overlay-bg: rgba(254,249,240,0.95);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

[data-theme="warm"] body::before {
  content: '';
  position: fixed;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

[data-theme="warm"] body::after {
  content: '';
  position: fixed;
  bottom: -150px; left: -80px;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(180,140,100,0.15), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px;
  position: relative;
  z-index: 1;
}

/* --- Typography --- */
.nickname {
  font-family: var(--font-display);
  font-size: clamp(36px, 8vw, 80px);
  font-weight: 900;
  line-height: 0.9;
  color: var(--text-strong);
  margin-bottom: 4px;
}

[data-theme="warm"] .nickname {
  font-style: italic;
  font-weight: 700;
}

.bio {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.timestamp {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}

/* --- Theme Switcher --- */
.theme-switcher {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  gap: 0;
  z-index: 10;
}

.theme-btn {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-strong);
  background: transparent;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.theme-btn:first-child { border-right: none; }

.theme-btn.active {
  background: var(--border-strong);
  color: var(--bg);
}

/* --- Status Bar (Edit Mode) --- */
.status-bar {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  margin-bottom: 20px;
  border-bottom: 3px solid var(--border-strong);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
}

body[data-mode="edit"] .status-bar { display: flex; }

.status-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  flex-shrink: 0;
}

.status-countdown {
  margin-left: auto;
  color: var(--text-muted);
  letter-spacing: 1px;
}

/* --- Profile Section --- */
.profile {
  text-align: center;
  margin-bottom: 32px;
}

.avatar-wrap {
  display: inline-block;
  position: relative;
  margin-bottom: 12px;
  cursor: default;
}

body[data-mode="edit"] .avatar-wrap { cursor: pointer; }

.avatar {
  width: 80px;
  height: 80px;
  border: 2px solid var(--border-strong);
  object-fit: cover;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--text-muted);
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body[data-mode="edit"] .avatar {
  border-style: dashed;
  border-color: var(--text-muted);
}

[data-theme="warm"] .avatar {
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--border);
}

/* --- BGM Bar --- */
.bgm-bar {
  display: inline-block;
  border: 2px solid var(--border-strong);
  padding: 8px 14px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-top: 12px;
  font-family: var(--font-mono);
}

[data-theme="warm"] .bgm-bar {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.6);
}

.bgm-bar .playing-indicator {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  margin-right: 8px;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

/* --- BGM Player --- */
.bgm-player {
  margin: 12px auto 0;
  max-width: 300px;
  border: 2px solid var(--border-strong);
  overflow: hidden;
}

.bgm-player iframe {
  width: 100%;
  height: 66px;
  border: none;
  display: block;
}

/* --- Posts Grid --- */
.posts-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 32px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.post-card {
  border: 2px solid var(--border-strong);
  padding: 24px;
  background: var(--card-bg);
  border-left: 4px solid var(--accent);
  position: relative;
}

[data-theme="warm"] .post-card {
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.6);
  border-left: 4px solid var(--accent);
  background: rgba(255,255,255,0.5);
}

.post-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-strong);
  margin-bottom: 8px;
  font-family: var(--font-body);
  white-space: pre-wrap;
  word-break: break-word;
}

.post-images {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
  margin: 12px 0;
}

.post-images img {
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  object-fit: cover;
  aspect-ratio: 16/10;
  max-height: 300px;
}

.post-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  margin: 12px 0;
  border: 1px solid var(--border);
}

.post-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* --- Post Actions (Edit Mode) --- */
.post-actions {
  display: none;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

body[data-mode="edit"] .post-actions { display: flex; }

.btn-sm {
  border: 1px solid var(--border-strong);
  background: transparent;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  cursor: pointer;
  color: var(--text);
}

.btn-sm:hover { opacity: 0.7; }

.btn-sm.danger {
  border-color: var(--accent);
  color: var(--accent);
}

/* --- Post Editor --- */
.post-editor {
  display: none;
  border: 2px solid var(--border-strong);
  padding: 16px;
  margin-bottom: 16px;
  position: relative;
}

body[data-mode="edit"] .post-editor { display: block; }

.post-editor-label {
  position: absolute;
  top: -10px;
  left: 12px;
  background: var(--bg);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text);
}

.post-editor textarea {
  width: 100%;
  border: 2px solid var(--border-strong);
  padding: 10px;
  font-size: 14px;
  font-family: var(--font-body);
  resize: vertical;
  min-height: 60px;
  background: var(--input-bg);
  color: var(--input-text);
}

.post-editor-tools {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-tool {
  border: 2px solid var(--border-strong);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.btn-tool:hover { opacity: 0.7; }

.btn-publish {
  border: 2px solid var(--border-strong);
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
  padding: 8px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  cursor: pointer;
  margin-left: auto;
}

.btn-publish:hover { opacity: 0.85; }

/* --- Settings Editor --- */
.settings-editor {
  display: none;
  border: 2px solid var(--border-strong);
  padding: 16px;
  margin-bottom: 16px;
  position: relative;
}

body[data-mode="edit"] .settings-editor { display: block; }

.settings-editor-label {
  position: absolute;
  top: -10px;
  left: 12px;
  background: var(--bg);
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text);
}

.settings-fields {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.settings-fields .field {
  flex: 1;
  min-width: 140px;
}

.settings-fields label {
  display: block;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.settings-fields input {
  width: 100%;
  border: 2px solid var(--border-strong);
  padding: 6px 8px;
  font-size: 12px;
  font-family: var(--font-body);
  background: var(--input-bg);
  color: var(--input-text);
}

/* --- Utility --- */
.hidden { display: none !important; }

/* --- Responsive --- */
@media (max-width: 640px) {
  .container { padding: 16px 12px; }

  .posts-grid {
    gap: 20px;
  }

  .post-card {
    padding: 16px;
  }

  .settings-fields {
    flex-direction: column;
    gap: 8px;
  }

  .settings-fields .field {
    min-width: 100%;
  }

  .post-editor-tools {
    gap: 4px;
  }

  .btn-publish {
    width: 100%;
    margin-left: 0;
    margin-top: 4px;
  }

  .nickname {
    font-size: clamp(28px, 10vw, 48px);
  }

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

  .theme-btn {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
}

/* --- Upload Overlay --- */
.upload-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--overlay-bg);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.upload-overlay.active { display: flex; }

.upload-box {
  border: 3px dashed var(--border-strong);
  padding: 60px;
  text-align: center;
  font-family: var(--font-mono);
  color: var(--text-muted);
  cursor: pointer;
}

.upload-box input[type="file"] { display: none; }