/* ============================================================
   Student Discussion Board Pro - Public CSS v1.0
   Blade Research Inc.
   ============================================================ */

:root {
  --sdb-accent: #4f46e5;
  --sdb-accent-dark: #3730a3;
  --sdb-accent-light: #4f46e522;
  --sdb-success: #10b981;
  --sdb-danger: #ef4444;
  --sdb-warning: #f59e0b;
  --sdb-info: #3b82f6;
  --sdb-bg: #f8fafc;
  --sdb-surface: #ffffff;
  --sdb-surface2: #f1f5f9;
  --sdb-border: #e2e8f0;
  --sdb-text: #1e293b;
  --sdb-text-muted: #64748b;
  --sdb-shadow: 0 1px 3px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.05);
  --sdb-shadow-lg: 0 8px 32px rgba(0,0,0,.12);
  --sdb-radius: 12px;
  --sdb-radius-sm: 8px;
  --sdb-font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Dark theme */
.sdb-app.sdb-dark {
  --sdb-bg: #0f172a;
  --sdb-surface: #1e293b;
  --sdb-surface2: #334155;
  --sdb-border: #334155;
  --sdb-text: #f1f5f9;
  --sdb-text-muted: #94a3b8;
  --sdb-shadow: 0 1px 3px rgba(0,0,0,.3);
}

/* ========== BASE ========== */
.sdb-app * { box-sizing: border-box; }
.sdb-app {
  font-family: var(--sdb-font);
  background: var(--sdb-bg);
  color: var(--sdb-text);
  min-height: 600px;
  border-radius: var(--sdb-radius);
  overflow: hidden;
}
.sdb-hidden { display: none !important; }
.sdb-muted { color: var(--sdb-text-muted); font-size: .875rem; }
.sdb-center { text-align: center; }
.sdb-full-w { width: 100%; }

/* ========== NAV ========== */
.sdb-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--sdb-surface);
  border-bottom: 1px solid var(--sdb-border);
  padding: 12px 20px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--sdb-shadow);
}
.sdb-nav-left, .sdb-nav-right { display: flex; align-items: center; gap: 8px; }
.sdb-nav-center { flex: 1; min-width: 200px; }
.sdb-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--sdb-accent); }
.sdb-brand-icon { font-size: 1.4rem; }

.sdb-search-wrap { position: relative; }
.sdb-search-wrap input {
  width: 100%;
  padding: 9px 36px 9px 36px;
  border: 1px solid var(--sdb-border);
  border-radius: 50px;
  background: var(--sdb-surface2);
  color: var(--sdb-text);
  font-size: .9rem;
  outline: none;
  transition: all .2s;
}
.sdb-search-wrap input:focus { border-color: var(--sdb-accent); box-shadow: 0 0 0 3px var(--sdb-accent-light); }
.sdb-search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: .95rem; }
.sdb-search-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0;
  background: var(--sdb-surface); border: 1px solid var(--sdb-border);
  border-radius: var(--sdb-radius-sm); box-shadow: var(--sdb-shadow-lg);
  max-height: 280px; overflow-y: auto; z-index: 200;
}
.sdb-search-item { padding: 10px 14px; cursor: pointer; border-bottom: 1px solid var(--sdb-border); font-size: .875rem; }
.sdb-search-item:hover { background: var(--sdb-surface2); }
.sdb-search-item:last-child { border-bottom: none; }

.sdb-nav-btn {
  padding: 8px 14px; border: 1px solid var(--sdb-border); border-radius: 50px;
  background: var(--sdb-surface); color: var(--sdb-text); cursor: pointer;
  font-size: .875rem; font-weight: 500; transition: all .2s; white-space: nowrap;
}
.sdb-nav-btn:hover { border-color: var(--sdb-accent); color: var(--sdb-accent); }
.sdb-btn-accent { background: var(--sdb-accent) !important; color: #fff !important; border-color: var(--sdb-accent) !important; }

.sdb-nav-tabs { display: flex; gap: 4px; background: var(--sdb-surface2); padding: 4px; border-radius: 50px; }
.sdb-tab-btn {
  padding: 6px 14px; border: none; border-radius: 50px; background: transparent;
  color: var(--sdb-text-muted); cursor: pointer; font-size: .8rem; font-weight: 500; transition: all .2s;
}
.sdb-tab-btn.active { background: var(--sdb-surface); color: var(--sdb-accent); box-shadow: var(--sdb-shadow); }
.sdb-user-avatar { width: 36px; height: 36px; border-radius: 50%; overflow: hidden; cursor: pointer; border: 2px solid var(--sdb-accent); }
.sdb-user-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ========== ALERT ========== */
.sdb-alert {
  padding: 12px 20px; font-size: .9rem; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.sdb-alert.success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--sdb-success); }
.sdb-alert.error   { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--sdb-danger); }
.sdb-alert.info    { background: #dbeafe; color: #1e40af; border-left: 4px solid var(--sdb-info); }

/* ========== TAB CONTENT ========== */
.sdb-tab-content { display: none; }
.sdb-tab-content.active { display: block; }

/* ========== BOARD LAYOUT ========== */
.sdb-board-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: 600px;
}
.sdb-sidebar {
  background: var(--sdb-surface);
  border-right: 1px solid var(--sdb-border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sdb-sidebar-card {
  background: var(--sdb-surface2);
  border-radius: var(--sdb-radius-sm);
  padding: 14px;
}
.sdb-sidebar-card h4 { margin: 0 0 10px; font-size: .875rem; font-weight: 600; color: var(--sdb-text); }
.sdb-week-filter { display: flex; flex-wrap: wrap; gap: 4px; }
.sdb-week-btn {
  padding: 4px 8px; font-size: .75rem; border-radius: 6px;
  border: 1px solid var(--sdb-border); background: var(--sdb-surface);
  cursor: pointer; color: var(--sdb-text-muted); transition: all .15s;
}
.sdb-week-btn:hover { border-color: var(--sdb-accent); color: var(--sdb-accent); }
.sdb-week-btn.active { background: var(--sdb-accent); color: #fff; border-color: var(--sdb-accent); }

.sdb-mini-stat { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: .875rem; color: var(--sdb-text-muted); border-bottom: 1px solid var(--sdb-border); }
.sdb-mini-stat:last-child { border-bottom: none; }
.sdb-mini-stat span:last-child { font-weight: 700; color: var(--sdb-text); }

.sdb-reminder-days { display: flex; flex-direction: column; gap: 6px; }
.sdb-reminder-day { display: flex; align-items: center; gap: 6px; font-size: .8rem; color: var(--sdb-text-muted); padding: 5px 8px; background: var(--sdb-surface); border-radius: 6px; }
.sdb-reminder-note { font-size: .75rem; color: var(--sdb-text-muted); margin: 8px 0 0; line-height: 1.5; }

/* ========== MAIN BOARD ========== */
.sdb-main { padding: 20px; background: var(--sdb-bg); }
.sdb-board-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.sdb-board-header h2 { margin: 0; font-size: 1.2rem; font-weight: 700; }
.sdb-board-actions select {
  padding: 7px 12px; border: 1px solid var(--sdb-border); border-radius: 8px;
  background: var(--sdb-surface); color: var(--sdb-text); font-size: .875rem; cursor: pointer;
}

/* ========== POST CARD ========== */
.sdb-post-card {
  background: var(--sdb-surface);
  border: 1px solid var(--sdb-border);
  border-radius: var(--sdb-radius);
  padding: 20px;
  margin-bottom: 14px;
  transition: all .2s;
  cursor: pointer;
  position: relative;
}
.sdb-post-card:hover { border-color: var(--sdb-accent); box-shadow: var(--sdb-shadow-lg); transform: translateY(-1px); }
.sdb-post-header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.sdb-post-avatar { width: 42px; height: 42px; border-radius: 50%; overflow: hidden; flex-shrink: 0; background: var(--sdb-accent-light); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.sdb-post-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sdb-post-meta { flex: 1; }
.sdb-post-author { font-weight: 600; font-size: .95rem; color: var(--sdb-text); }
.sdb-post-info { font-size: .8rem; color: var(--sdb-text-muted); margin-top: 2px; }
.sdb-post-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.sdb-badge {
  display: inline-flex; align-items: center; gap: 3px; padding: 3px 9px;
  border-radius: 50px; font-size: .72rem; font-weight: 600;
}
.sdb-badge-week { background: var(--sdb-accent-light); color: var(--sdb-accent); }
.sdb-badge-ai { background: #f0fdf4; color: #15803d; }
.sdb-badge-new { background: #fef3c7; color: #92400e; }

.sdb-post-subject { font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; color: var(--sdb-text); }
.sdb-post-excerpt { font-size: .9rem; color: var(--sdb-text-muted); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sdb-post-footer { display: flex; align-items: center; gap: 16px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--sdb-border); }
.sdb-post-action { display: flex; align-items: center; gap: 5px; font-size: .825rem; color: var(--sdb-text-muted); cursor: pointer; padding: 5px 8px; border-radius: 6px; transition: all .15s; border: none; background: none; }
.sdb-post-action:hover { background: var(--sdb-surface2); color: var(--sdb-accent); }
.sdb-post-action.liked { color: #ef4444; }
.sdb-post-action.sdb-delete-btn:hover { color: var(--sdb-danger); }

/* ========== POST DETAIL MODAL BODY ========== */
.sdb-post-detail { padding: 4px; }
.sdb-post-greeting { font-weight: 600; font-size: 1rem; color: var(--sdb-accent); margin-bottom: 12px; }
.sdb-post-body { line-height: 1.8; font-size: .95rem; white-space: pre-wrap; }
.sdb-works-cited {
  margin-top: 20px; padding-top: 16px; border-top: 2px solid var(--sdb-border);
  font-size: .85rem; color: var(--sdb-text-muted);
}
.sdb-works-cited h4 { color: var(--sdb-text); font-size: .9rem; margin-bottom: 8px; }
.sdb-ref-item { padding: 4px 0; line-height: 1.6; }
.sdb-post-images { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.sdb-post-image { width: 100px; height: 80px; object-fit: cover; border-radius: 8px; border: 1px solid var(--sdb-border); cursor: pointer; }

/* Replies */
.sdb-replies-section { margin-top: 24px; }
.sdb-replies-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.sdb-replies-header h4 { margin: 0; font-size: 1rem; font-weight: 700; }
.sdb-reply-card {
  background: var(--sdb-surface2);
  border-radius: var(--sdb-radius-sm);
  padding: 14px;
  margin-bottom: 10px;
  border-left: 3px solid var(--sdb-accent);
}
.sdb-reply-author { font-weight: 600; font-size: .875rem; margin-bottom: 6px; }
.sdb-reply-body { font-size: .875rem; line-height: 1.7; white-space: pre-wrap; }
.sdb-reply-refs { font-size: .78rem; color: var(--sdb-text-muted); margin-top: 8px; }

/* Reply compose */
.sdb-reply-compose { margin-top: 16px; border-top: 1px solid var(--sdb-border); padding-top: 16px; }
.sdb-reply-compose h5 { margin: 0 0 10px; font-size: .9rem; }
.sdb-reply-actions { display: flex; gap: 8px; margin-top: 10px; align-items: center; flex-wrap: wrap; }

/* ========== SPINNER ========== */
.sdb-spinner-wrap { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 40px; color: var(--sdb-text-muted); }
.sdb-spinner {
  width: 32px; height: 32px; border: 3px solid var(--sdb-border);
  border-top-color: var(--sdb-accent); border-radius: 50%;
  animation: sdb-spin .7s linear infinite;
}
@keyframes sdb-spin { to { transform: rotate(360deg); } }

/* ========== PAGINATION ========== */
.sdb-pagination { display: flex; gap: 6px; justify-content: center; padding: 16px 0; flex-wrap: wrap; }
.sdb-page-btn {
  padding: 8px 14px; border: 1px solid var(--sdb-border); border-radius: 8px;
  background: var(--sdb-surface); color: var(--sdb-text); cursor: pointer; font-size: .875rem; transition: all .15s;
}
.sdb-page-btn:hover { border-color: var(--sdb-accent); color: var(--sdb-accent); }
.sdb-page-btn.active { background: var(--sdb-accent); color: #fff; border-color: var(--sdb-accent); }

/* ========== BUTTONS ========== */
.sdb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 18px; border-radius: 8px; font-size: .875rem; font-weight: 600;
  cursor: pointer; border: 1px solid transparent; transition: all .2s; text-decoration: none;
}
.sdb-btn-primary { background: var(--sdb-accent); color: #fff; border-color: var(--sdb-accent); }
.sdb-btn-primary:hover { background: var(--sdb-accent-dark); }
.sdb-btn-success { background: var(--sdb-success); color: #fff; border-color: var(--sdb-success); }
.sdb-btn-success:hover { background: #059669; }
.sdb-btn-outline { background: transparent; color: var(--sdb-text); border-color: var(--sdb-border); }
.sdb-btn-outline:hover { border-color: var(--sdb-accent); color: var(--sdb-accent); }
.sdb-btn-danger { background: var(--sdb-danger); color: #fff; border-color: var(--sdb-danger); }
.sdb-btn-lg { padding: 12px 24px; font-size: .95rem; border-radius: 10px; }
.sdb-btn-sm { padding: 6px 12px; font-size: .8rem; }
.sdb-btn:disabled { opacity: .55; cursor: not-allowed; }
.sdb-btn-icon { font-size: 1rem; }
.sdb-generating .sdb-btn-icon::after { content: '⏳'; }

/* ========== FORMS ========== */
.sdb-form-page { padding: 24px; max-width: 900px; margin: 0 auto; }
.sdb-form-header { margin-bottom: 24px; }
.sdb-form-header h2 { margin: 0; font-size: 1.4rem; font-weight: 700; }
.sdb-form { display: flex; flex-direction: column; gap: 0; }
.sdb-form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 16px; }
.sdb-full-width { grid-column: 1 / -1; }
.sdb-form-group { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.sdb-form-group label { font-size: .875rem; font-weight: 600; color: var(--sdb-text); }
.sdb-form-group input,
.sdb-form-group select,
.sdb-form-group textarea {
  padding: 9px 12px; border: 1px solid var(--sdb-border); border-radius: 8px;
  background: var(--sdb-surface); color: var(--sdb-text); font-size: .9rem;
  transition: all .2s; font-family: var(--sdb-font);
}
.sdb-form-group input:focus,
.sdb-form-group select:focus,
.sdb-form-group textarea:focus {
  outline: none; border-color: var(--sdb-accent); box-shadow: 0 0 0 3px var(--sdb-accent-light);
}
.sdb-form-group textarea { resize: vertical; }
.sdb-optional { font-weight: 400; color: var(--sdb-text-muted); font-size: .8rem; }
.sdb-ext-link { font-size: .78rem; color: var(--sdb-accent); margin-left: 8px; }
.sdb-checkbox-group { display: flex; gap: 16px; flex-wrap: wrap; }
.sdb-check { display: flex; align-items: center; gap: 6px; cursor: pointer; font-size: .875rem; font-weight: 400; }
.sdb-check input { width: 16px; height: 16px; accent-color: var(--sdb-accent); }
.sdb-form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* ========== COMPOSE MODAL ========== */
.sdb-compose-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.sdb-upload-area {
  border: 2px dashed var(--sdb-border); border-radius: var(--sdb-radius);
  padding: 20px; text-align: center; transition: all .2s; cursor: pointer; margin-bottom: 14px;
}
.sdb-upload-area.dragover { border-color: var(--sdb-accent); background: var(--sdb-accent-light); }
.sdb-upload-area input[type=file] { display: none; }
.sdb-upload-icon { font-size: 2rem; }
.sdb-upload-area p { margin: 6px 0; font-size: .875rem; color: var(--sdb-text-muted); }
.sdb-upload-link { color: var(--sdb-accent); cursor: pointer; text-decoration: underline; }
.sdb-upload-hint { font-size: .78rem !important; }
.sdb-preview-area { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.sdb-preview-thumb { position: relative; width: 72px; height: 60px; border-radius: 6px; overflow: hidden; }
.sdb-preview-thumb img { width: 100%; height: 100%; object-fit: cover; }
.sdb-preview-thumb .sdb-remove-img { position: absolute; top: 2px; right: 2px; background: rgba(0,0,0,.6); color: #fff; border: none; border-radius: 50%; width: 18px; height: 18px; font-size: .65rem; cursor: pointer; display: flex; align-items: center; justify-content: center; }

.sdb-compose-actions { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.sdb-compose-toggle { display: flex; align-items: center; }
.sdb-compose-submit { display: flex; gap: 10px; align-items: center; margin-top: 14px; flex-wrap: wrap; }

/* Preview */
.sdb-generated-preview { border: 1px solid var(--sdb-border); border-radius: var(--sdb-radius); overflow: hidden; margin-bottom: 14px; }
.sdb-preview-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: var(--sdb-surface2); font-size: .875rem; font-weight: 600; }
.sdb-preview-greeting { padding: 14px 16px 6px; font-weight: 600; color: var(--sdb-accent); font-size: .95rem; }
.sdb-preview-body {
  padding: 6px 16px 14px; line-height: 1.8; font-size: .9rem;
  min-height: 120px; outline: none; white-space: pre-wrap;
  border-top: 1px dashed var(--sdb-border);
}
.sdb-preview-body:focus { background: var(--sdb-surface2); }
.sdb-preview-refs { padding: 10px 16px; border-top: 1px solid var(--sdb-border); font-size: .8rem; color: var(--sdb-text-muted); }
.sdb-preview-works-cited { padding: 10px 16px 14px; border-top: 1px solid var(--sdb-border); background: var(--sdb-surface2); }
.sdb-preview-works-cited h5 { margin: 0 0 6px; font-size: .85rem; color: var(--sdb-text); }
.sdb-preview-works-cited ol { margin: 0; padding-left: 18px; font-size: .82rem; color: var(--sdb-text-muted); line-height: 1.8; }

/* ========== SETTINGS SECTION ========== */
.sdb-settings-section { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--sdb-border); }
.sdb-settings-section h3 { margin: 0 0 16px; font-size: 1rem; font-weight: 700; }
.sdb-settings-section:last-child { border-bottom: none; }
.sdb-key-row { display: flex; gap: 8px; align-items: center; }
.sdb-key-row input { flex: 1; }

/* ========== MODALS ========== */
.sdb-modal { position: fixed; inset: 0; z-index: 10000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.sdb-modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,.55); backdrop-filter: blur(4px); }
.sdb-modal-box {
  position: relative; background: var(--sdb-surface); border-radius: var(--sdb-radius);
  box-shadow: var(--sdb-shadow-lg); max-height: 90vh; overflow-y: auto; width: 100%; z-index: 1;
}
.sdb-modal-sm { max-width: 440px; }
.sdb-modal-large { max-width: 800px; }
.sdb-modal-header {
  display: flex; align-items: center; justify-content: space-between; padding: 16px 20px;
  border-bottom: 1px solid var(--sdb-border); position: sticky; top: 0; background: var(--sdb-surface); z-index: 2;
}
.sdb-modal-header h3 { margin: 0; font-size: 1.05rem; font-weight: 700; }
.sdb-modal-close {
  background: none; border: none; font-size: 1.1rem; cursor: pointer; color: var(--sdb-text-muted);
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; transition: all .15s;
}
.sdb-modal-close:hover { background: var(--sdb-surface2); color: var(--sdb-text); }
.sdb-modal-body { padding: 20px; }

/* Camera */
.sdb-camera-body { text-align: center; }
.sdb-camera-body video { width: 100%; border-radius: var(--sdb-radius-sm); max-height: 300px; background: #000; }
.sdb-camera-controls { display: flex; gap: 10px; justify-content: center; margin-top: 12px; }

/* ========== ERROR / SUCCESS MSG ========== */
.sdb-error-msg { color: var(--sdb-danger); font-size: .85rem; padding: 8px 12px; background: #fee2e2; border-radius: 6px; margin-top: 8px; }
.sdb-success-msg { color: #065f46; font-size: .85rem; padding: 8px 12px; background: #d1fae5; border-radius: 6px; margin-top: 8px; }

/* ========== PROFILE POSTS ========== */
.sdb-profile-posts { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--sdb-border); }
.sdb-profile-posts h3 { margin: 0 0 14px; font-size: 1.05rem; font-weight: 700; }

/* ========== AI LOADING STATE ========== */
.sdb-ai-loading { text-align: center; padding: 30px; }
.sdb-ai-dots { display: flex; justify-content: center; gap: 6px; margin: 10px 0; }
.sdb-ai-dots span {
  width: 10px; height: 10px; background: var(--sdb-accent); border-radius: 50%;
  animation: sdb-bounce .8s infinite alternate;
}
.sdb-ai-dots span:nth-child(2) { animation-delay: .2s; }
.sdb-ai-dots span:nth-child(3) { animation-delay: .4s; }
@keyframes sdb-bounce { from { transform: translateY(0); opacity: .7; } to { transform: translateY(-8px); opacity: 1; } }

/* ========== EMPTY STATE ========== */
.sdb-empty-state { text-align: center; padding: 60px 20px; }
.sdb-empty-icon { font-size: 3.5rem; margin-bottom: 12px; }
.sdb-empty-state h3 { font-size: 1.2rem; color: var(--sdb-text); margin: 0 0 8px; }
.sdb-empty-state p { color: var(--sdb-text-muted); font-size: .9rem; margin: 0 0 20px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .sdb-board-layout { grid-template-columns: 1fr; }
  .sdb-sidebar { border-right: none; border-bottom: 1px solid var(--sdb-border); }
  .sdb-compose-row { grid-template-columns: 1fr; }
  .sdb-form-grid { grid-template-columns: 1fr; }
  .sdb-nav { padding: 10px 12px; gap: 8px; }
  .sdb-brand-text { display: none; }
  .sdb-nav-tabs .sdb-tab-btn span { display: none; }
  .sdb-modal-box { margin: 8px; max-height: 95vh; }
  .sdb-compose-actions { flex-direction: column; align-items: flex-start; }
  .sdb-key-row { flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .sdb-nav-center { order: 3; width: 100%; flex: none; }
  .sdb-nav-right { gap: 4px; }
  .sdb-nav-btn { padding: 6px 10px; font-size: .78rem; }
  .sdb-post-badges { display: none; }
}