:root {
  --color-bg: #F3F5F8;
  --color-surface: #FFFFFF;
  --color-ink: #17212E;
  --color-muted: #5C6879;
  --color-border: #DBE1E8;
  --color-navy: #1F3B57;
  --color-navy-dark: #16293C;
  --color-gold: #C9A227;
  --color-danger: #B23A48;
  --color-green: #2F855A;
  --color-purple: #6B4FA0;
  --font-display: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --font-body: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* --- Header --- */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--color-navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand-block { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.brand-logo {
  height: 36px;
  width: auto;
  display: block;
  border-radius: 6px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-title { font-weight: 700; font-size: 1.05rem; }
.brand-subtitle { font-size: 0.78rem; color: #C9D3E0; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.bell-icon { font-size: 1.1rem; opacity: 0.85; }
.avatar-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-navy-dark);
  font-weight: 700;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}
.avatar-badge-sm { width: 22px; height: 22px; font-size: 0.65rem; }
.avatar-badge-button {
  border: none;
  cursor: pointer;
  padding: 0;
}
.user-menu { position: relative; }
.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 180px;
  padding: 8px;
  z-index: 20;
}
.user-menu-dropdown[hidden] { display: none; }
.user-menu-name {
  margin: 0 0 6px;
  padding: 6px 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-border);
}
.user-menu-item {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--color-danger);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
}
.user-menu-item:hover { background: #FBEAEC; }

/* --- App shell (sidebar + main) --- */
.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  max-width: 100%;
  margin: 0;
}
.sidebar-left {
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-right: 1px solid var(--color-border);
  min-height: calc(100vh - 60px);
}
.sidebar-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin: 0;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar-link {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}
.sidebar-link:hover { background: #EEF1F5; }
.sidebar-link-active { background: var(--color-navy); color: #fff; }
.sidebar-info-box {
  background: #FBF1D6;
  border: 1px solid #F0DFA6;
  border-radius: var(--radius);
  padding: 14px;
}
.sidebar-info-title { margin: 0 0 4px; font-weight: 700; font-size: 0.85rem; }
.sidebar-info-text { margin: 0; font-size: 0.8rem; color: var(--color-muted); }

.site-main { padding: 24px 24px 80px; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn-accent { background: var(--color-gold); color: var(--color-navy-dark); }
.btn-accent:hover { filter: brightness(0.95); }
.btn-quiet { background: transparent; color: var(--color-navy); border-color: var(--color-border); }
.btn-quiet:hover { background: #EEF1F5; }
.btn-danger { background: transparent; color: var(--color-danger); border-color: var(--color-danger); }
.btn-danger:hover { background: #FBEAEC; }
.btn-lg { padding: 12px 22px; font-size: 1rem; }

/* --- Page header --- */
.page-header { margin-bottom: 18px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  font-weight: 700;
  margin: 0 0 4px;
}
.page-header-row { display: flex; align-items: baseline; justify-content: space-between; }
.page-header-row h1 { margin: 0; font-size: 1.6rem; }
.page-date { font-family: var(--font-mono); color: var(--color-muted); font-size: 0.85rem; }

/* --- Stat cards --- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-navy);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.stat-green { border-top-color: var(--color-green); }
.stat-red { border-top-color: var(--color-danger); }
.stat-gold { border-top-color: var(--color-gold); }
.stat-purple { border-top-color: var(--color-purple); }
.stat-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
}
.stat-value { margin: 0; font-size: 1.8rem; font-weight: 700; }

/* --- Reminder banner --- */
.reminder-banner {
  display: flex;
  gap: 12px;
  background: #FBF1D6;
  border: 1px solid #F0DFA6;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 22px;
}
.reminder-icon { font-size: 1.2rem; }
.reminder-title { margin: 0 0 2px; font-weight: 700; font-size: 0.9rem; }
.reminder-text { margin: 0; font-size: 0.85rem; color: var(--color-muted); }

/* --- Feed layout --- */
.feed-columns { display: grid; grid-template-columns: 1fr 280px; gap: 22px; align-items: start; }
.feed-section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}
.feed-section-header h2 { margin: 0 0 2px; font-size: 1.15rem; }

/* --- Search --- */
.search-bar { display: flex; gap: 8px; margin-bottom: 14px; }
.search-bar input[type="search"] {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.9rem;
}

/* --- Filter chips --- */
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.chip {
  --chip-color: var(--color-navy);
  padding: 6px 14px;
  border-radius: 999px;
  border: 1.5px solid var(--chip-color);
  background: var(--color-surface);
  color: var(--chip-color);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}
.chip-active { background: var(--chip-color); color: #fff; }

/* --- Post cards -- dispatch call-card style: colored priority rail
   down the left edge, sourced from the post's category color --- */
.post-list { display: flex; flex-direction: column; gap: 14px; }
.post-card {
  --cat-color: var(--color-navy);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--cat-color);
  border-radius: var(--radius);
  overflow: hidden;
}
.post-card-pinned { box-shadow: 0 0 0 2px var(--color-gold) inset; }
.post-card-link { display: block; padding: 16px 18px 4px; color: inherit; text-decoration: none; }
.post-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.category-pill {
  --cat-color: var(--color-navy);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  background: var(--cat-color);
  color: #fff;
  padding: 3px 10px;
  border-radius: 999px;
}
.post-card-date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-muted); }
.pin-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-navy-dark);
  background: #FBF1D6;
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.post-card-title { margin: 0 0 6px; font-size: 1.1rem; }
.post-card-excerpt {
  margin: 0 0 10px;
  color: var(--color-muted);
  white-space: pre-wrap;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 18px;
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
}
.post-card-author { display: flex; align-items: center; gap: 8px; color: var(--color-muted); }
.post-card-stats { display: flex; gap: 10px; color: var(--color-muted); }

/* --- Feed sidebar --- */
.feed-sidebar { display: flex; flex-direction: column; gap: 14px; }
.side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
}
.side-card h3 { margin: 0 0 10px; font-size: 0.92rem; }
.side-card-muted { background: #FAFBFC; }
.side-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.side-list a {
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.side-list a:hover { color: var(--color-navy); }
.side-dot {
  --chip-color: var(--color-navy);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip-color);
  display: inline-block;
}
.disabled-row { opacity: 0.6; }
.small { font-size: 0.8rem; }

/* --- Post detail --- */
.post-detail {
  --cat-color: var(--color-navy);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--cat-color);
  border-radius: var(--radius);
  padding: 22px 22px 26px;
}
.post-detail-header { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.post-detail h1 { margin: 4px 0 8px; font-size: 1.5rem; }
.post-detail-meta {
  display: flex; gap: 6px; font-family: var(--font-mono);
  font-size: 0.78rem; color: var(--color-muted); margin-bottom: 16px;
}
.post-detail-body { white-space: pre-wrap; margin-bottom: 18px; }
.post-detail-actions { display: flex; gap: 8px; margin-bottom: 20px; }
.category-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cat-color);
}

.attachment-list, .attachment-manager { margin-bottom: 20px; }
.attachment-manager {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
}
.attachment-manager h3 { margin: 0 0 12px; font-size: 0.95rem; }
.attachment-item {
  display: inline-block; margin: 4px 8px 0 0; padding: 6px 12px;
  border: 1px solid var(--color-border); border-radius: 8px;
  color: var(--color-navy); text-decoration: none; font-size: 0.85rem;
}
#attachment-list li { display: flex; justify-content: space-between; align-items: center; }
.upload-row { display: flex; gap: 10px; margin-top: 12px; align-items: center; }

.reaction-bar { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
.reaction-btn {
  border: 1px solid var(--color-border); background: var(--color-surface);
  border-radius: 999px; padding: 6px 12px; font-size: 0.85rem; cursor: pointer;
}
.reaction-active { border-color: var(--color-gold); background: #FBF1D6; }
.reaction-count { font-family: var(--font-mono); color: var(--color-muted); margin-left: 4px; }

/* --- Comments --- */
.comments-section h3 { font-size: 1rem; margin-bottom: 10px; }
#comment-form { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
#comment-form textarea {
  min-height: 72px; padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  font-family: inherit; resize: vertical;
}
.comment-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.comment-item { border-top: 1px solid var(--color-border); padding-top: 10px; }
.comment-meta { display: flex; gap: 8px; align-items: baseline; font-size: 0.82rem; margin-bottom: 4px; }
.comment-body { margin: 0; white-space: pre-wrap; }
.muted { color: var(--color-muted); }
.link-danger { background: none; border: none; color: var(--color-danger); cursor: pointer; padding: 0; font-size: 0.8rem; }

/* --- Files page --- */
.file-list { display: flex; flex-direction: column; gap: 10px; }
.file-row {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.file-name { color: var(--color-navy); text-decoration: none; font-weight: 600; }
.file-row p { margin: 4px 0 0; }

/* --- Empty state --- */
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-muted); }

/* --- Forms --- */
.post-form {
  display: flex; flex-direction: column; gap: 16px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 22px; margin-bottom: 18px;
}
.post-form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 0.9rem; }
.post-form input[type="text"], .post-form select, .post-form textarea {
  padding: 10px; border-radius: 8px; border: 1px solid var(--color-border);
  font-family: inherit; font-size: 0.95rem;
}
.checkbox-row { flex-direction: row !important; align-items: center; gap: 8px !important; font-weight: 500; }
.post-form-actions { display: flex; gap: 10px; }

/* --- Login --- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--color-navy); }
.login-card {
  background: var(--color-surface); border-radius: 16px; padding: 40px 36px;
  text-align: center; max-width: 340px; box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.brand-mark-lg { display: inline-block; font-size: 1.1rem; padding: 8px 14px; margin-bottom: 14px; }
.login-card h1 { margin: 0 0 10px; font-size: 1.3rem; }

/* --- Accessibility --- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar-left { flex-direction: row; flex-wrap: wrap; min-height: auto; border-right: none; border-bottom: 1px solid var(--color-border); }
  .sidebar-nav { flex-direction: row; }
  .sidebar-info-box, .sidebar-signout { display: none; }
  .feed-columns { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .site-main { padding: 16px 12px 70px; }
  .post-detail { padding: 16px; }
}

.attachment-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.attachment-preview-trigger {
  display: flex; align-items: center; gap: 10px; background: none; border: none;
  padding: 4px; cursor: pointer; text-align: left; color: inherit; font: inherit;
}
.attachment-thumb {
  width: 40px; height: 40px; border-radius: 6px; object-fit: cover;
  border: 1px solid var(--color-border); flex-shrink: 0;
}
.attachment-thumb-generic {
  display: flex; align-items: center; justify-content: center;
  background: #EEF1F5; font-size: 1.2rem;
}
.attachment-name { font-size: 0.9rem; }

.attachment-modal-overlay {
  position: fixed; inset: 0; background: rgba(23,33,46,0.7);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 20px;
}
.attachment-modal {
  background: var(--color-surface); border-radius: var(--radius);
  max-width: 90vw; max-height: 90vh; width: 720px;
  display: flex; flex-direction: column; overflow: hidden;
}
.attachment-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--color-border);
}
.attachment-modal-filename { font-weight: 600; font-size: 0.9rem; }
.attachment-modal-actions { display: flex; gap: 8px; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.attachment-modal-body {
  flex: 1; overflow: auto; display: flex; align-items: center; justify-content: center;
  padding: 16px; background: #F8F9FB;
}
.attachment-modal-body img { max-width: 100%; max-height: 70vh; border-radius: 6px; }
.attachment-modal-body iframe { width: 100%; height: 70vh; border: none; }

/* --- Trash --- */
.trash-section { margin-bottom: 24px; }
.trash-section h2 { font-size: 1.05rem; margin-bottom: 10px; }
.trash-list { display: flex; flex-direction: column; gap: 8px; }
.trash-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.trash-title { margin: 0; font-weight: 600; font-size: 0.92rem; }