/* MeshBay Web Client — Phase 9.6 */

/* ── Theme variables ──────────────────────────────────────────────────────── */

:root, .theme-light {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-raised: #f1f5f9;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-dim: #94a3b8;
  --border: #e2e8f0;
  --border-focus: #0ea5e9;
  --accent: #0ea5e9;
  --accent-hover: #0284c7;
  --accent-text: #ffffff;
  --error: #ef4444;
  --error-bg: #fef2f2;
  --success: #22c55e;
  --nav-bg: #0f172a;
  --nav-text: #e2e8f0;
  --nav-brand: #38bdf8;
  --sidebar-bg: #f1f5f9;
  --sidebar-hover: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.theme-dark {
  --bg-base: #0f172a;
  --bg-surface: #1e293b;
  --bg-raised: #334155;
  --text: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-dim: #64748b;
  --border: #334155;
  --error-bg: #450a0a;
  --nav-bg: #020617;
  --sidebar-bg: #1e293b;
  --sidebar-hover: #334155;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.3);
}

/* ── Reset ────────────────────────────────────────────────────────────────── */

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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg-base);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.search-synced { font-size: 0.72em; color: var(--text-dim); margin-top: 3px; }

/* ── Icons ────────────────────────────────────────────────────────────────── */

/* Sized in em and stroked in currentColor, so an icon inherits the size and
   colour of whatever it sits next to and needs no rule of its own. Only the
   places that want a fixed size say so below. */
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.14em;
  flex-shrink: 0;
}
.icon.flip { transform: rotate(180deg); }

/* ── Navigation ───────────────────────────────────────────────────────────── */

.nav {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 0 16px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-left, .nav-right { display: flex; align-items: center; gap: 12px; }

.nav-brand {
  color: var(--nav-brand);
  font-weight: 700;
  font-size: 1.15em;
  text-decoration: none;
}
.nav-brand:hover { text-decoration: none; }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text);
  font-size: 1.4em;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

.nav-user { color: var(--text-dim); font-size: 0.9em; }

/* ── User Menu ──────────────────────────────────────────────────────────── */

.user-menu-wrap { position: relative; }

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--nav-text);
  padding: 4px 10px 4px 4px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.85em;
  transition: background 0.12s;
}
.user-menu-trigger:hover { background: rgba(255, 255, 255, 0.15); }

.user-menu-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8em;
  flex-shrink: 0;
}
.user-menu-avatar.lg { width: 36px; height: 36px; font-size: 0.95em; }

.user-menu-name { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-menu-caret { font-size: 0.7em; color: rgba(255,255,255,0.5); }

.user-menu-dropdown {
  position: absolute;
  right: 0; top: calc(100% + 6px);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  z-index: 120;
  overflow: hidden;
  padding: 4px 0;
}

.user-menu-header {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px 8px;
}
.user-menu-uname { font-weight: 600; font-size: 0.9em; color: var(--text); }
.user-menu-role { font-size: 0.75em; color: var(--text-dim); text-transform: capitalize; }

.user-menu-divider { height: 1px; background: var(--border); margin: 4px 0; }

.user-menu-section-label {
  padding: 6px 14px 2px;
  font-size: 0.7em; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-dim); font-weight: 600;
}

.user-menu-item {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 8px 14px;
  background: none; border: none; border-radius: 0;
  color: var(--text); font-size: 0.85em;
  cursor: pointer; text-align: left;
}
.user-menu-item:hover { background: var(--bg-raised); }
.user-menu-logout { color: var(--error); }

.umi-icon { width: 17px; height: 17px; flex-shrink: 0; color: var(--text-secondary); }
.umi-arrow { margin-left: auto; width: 13px; height: 13px; color: var(--text-dim); }
.umi-check { margin-left: auto; width: 14px; height: 14px; color: var(--accent); }
.user-menu-caret { width: 13px; height: 13px; color: var(--nav-text); opacity: 0.8; }
.user-menu-sub { padding-left: 32px; }

.nav-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--nav-text);
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85em;
  cursor: pointer;
  text-decoration: none;
}
.nav-btn:hover { background: rgba(255, 255, 255, 0.18); text-decoration: none; }

/* ── Layout ───────────────────────────────────────────────────────────────── */

.layout { display: flex; min-height: calc(100vh - 52px); }

/* ── Sidebar ──────────────────────────────────────────────────────────────── */

.sidebar {
  width: 240px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-section { padding: 0 12px; margin-bottom: 24px; }

.sidebar-heading {
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: 4px 8px;
  margin-bottom: 4px;
  font-weight: 600;
}

.sidebar-item {
  display: block;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9em;
  transition: background 0.12s;
}
.sidebar-item:hover { background: var(--sidebar-hover); text-decoration: none; }
.sidebar-item.active { background: var(--accent); color: var(--accent-text); }

.sidebar-empty {
  padding: 8px 12px;
  color: var(--text-dim);
  font-size: 0.85em;
  font-style: italic;
}

/* ── Main content ─────────────────────────────────────────────────────────── */

.main {
  flex: 1;
  padding: 24px 32px;
  max-width: 960px;
  min-width: 0;
}

.main h2 { font-size: 1.25em; margin-bottom: 16px; }

.page-message {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ── Page center (login / register) ───────────────────────────────────────── */

.page-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 52px);
  padding: 24px;
}

/* ── Cards ────────────────────────────────────────────────────────────────── */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.login-card { width: 100%; max-width: 380px; }
.login-card h2 { text-align: center; margin-bottom: 20px; }
.login-card form { display: flex; flex-direction: column; gap: 12px; }

.login-footer {
  text-align: center;
  margin-top: 16px;
  font-size: 0.85em;
  color: var(--text-dim);
}

/* ── Form elements ────────────────────────────────────────────────────────── */

input[type="text"],
input[type="password"],
input[type="email"] {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.95em;
  width: 100%;
  transition: border-color 0.15s;
}
input:focus { outline: none; border-color: var(--border-focus); }

button {
  padding: 10px 20px;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 6px;
  font-size: 0.95em;
  cursor: pointer;
  transition: background 0.15s;
}
button:hover { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Alerts ───────────────────────────────────────────────────────────────── */

.error-msg {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85em;
}

.success-msg {
  background: #16a34a20;
  color: var(--success);
  border: 1px solid var(--success);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.85em;
}

.settings-hint {
  font-size: 0.85em;
  color: var(--text-dim);
  margin-bottom: 8px;
}

/* ── Group cards (9.7 prep) ───────────────────────────────────────────────── */

.group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.group-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.12s, box-shadow 0.12s;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.group-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.group-card h3 { font-size: 1em; margin-bottom: 4px; }

.badge {
  display: inline-block;
  background: var(--bg-raised);
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75em;
}
.badge-ok { background: #16a34a20; color: var(--success); }
.badge-err { background: var(--error-bg); color: var(--error); }

/* ── Group page header ───────────────────────────────────────────────────── */

.group-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.group-header h2 { margin-bottom: 0; }

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 0.75em;
  font-weight: 500;
}
.status-ok   { background: #16a34a20; color: var(--success); }
.status-err  { background: var(--error-bg); color: var(--error); }
.status-busy { background: var(--bg-raised); color: var(--text-secondary); }

/* ── Group tabs ──────────────────────────────────────────────────────────── */

.group-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
}

.group-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: 8px 20px;
  color: var(--text-secondary);
  font-size: 0.9em;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0;
  transition: color 0.12s, border-color 0.12s;
}
.group-tab:hover { color: var(--text); background: none; }
.group-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Chat panel ──────────────────────────────────────────────────────────── */

.chat-panel {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 300px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chat-empty {
  text-align: center;
  color: var(--text-dim);
  font-style: italic;
  padding: 40px 16px;
}

.chat-msg {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 75%;
}

.chat-msg-own {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-sender {
  font-size: 0.72em;
  color: var(--text-dim);
  margin-bottom: 2px;
  padding-left: 10px;
  font-weight: 600;
}

.chat-bubble {
  background: var(--bg-raised);
  padding: 8px 12px;
  border-radius: 12px 12px 12px 4px;
  font-size: 0.9em;
  line-height: 1.45;
  word-break: break-word;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.chat-bubble-own {
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 12px 12px 4px 12px;
}

.chat-text { white-space: pre-wrap; }

.chat-time {
  font-size: 0.65em;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.chat-bubble-own .chat-time { color: rgba(255, 255, 255, 0.6); }

.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-base);
}

.chat-input {
  flex: 1;
  resize: none;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
  color: var(--text);
  font-size: 0.9em;
  font-family: inherit;
  line-height: 1.4;
  min-height: 38px;
  max-height: 100px;
}
.chat-input:focus { outline: none; border-color: var(--border-focus); }

.chat-send {
  align-self: flex-end;
  padding: 8px 16px;
  font-size: 0.85em;
  border-radius: 8px;
  white-space: nowrap;
}

/* ── File toolbar ────────────────────────────────────────────────────────── */

/* One bar, three groups: what you can add on the left, where you are in the
   middle, what you can do with what is here on the right. It used to be four
   controls of three different heights sitting in a row. */
.file-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 8px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  flex-wrap: wrap;
}
.toolbar-group { display: flex; align-items: center; gap: 6px; }
.toolbar-group.right { margin-left: auto; }

.tb-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;               /* the icon and the word are not the same word */
  height: 32px;
  padding: 0 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text);
  font-size: 0.83em;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.12s, color 0.12s, background 0.12s;
}
.tb-btn:hover { border-color: var(--accent); color: var(--accent); }
.tb-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.tb-btn:disabled:hover { border-color: var(--border); color: var(--text); }
.tb-btn .icon { width: 15px; height: 15px; }
.tb-btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
}
.tb-btn.primary:hover { background: var(--accent-hover); color: var(--accent-text); }
.tb-btn.active {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg-surface));
  border-color: var(--accent);
  color: var(--accent);
}

/* The filter is a field, not a button, and should not pretend otherwise. */
.tb-search {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-surface);
  color: var(--text-dim);
}
.tb-search:focus-within { border-color: var(--border-focus); }
.tb-search .icon { width: 14px; height: 14px; flex-shrink: 0; }
.tb-search input {
  border: none;
  background: none;
  outline: none;
  padding: 0;
  width: 150px;
  font-size: 0.83em;
  color: var(--text);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.85em;
  min-width: 0;
  flex-wrap: wrap;
}
.crumb {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  color: var(--accent);
  padding: 2px 4px;
  border-radius: 4px;
}
.crumb:hover { background: var(--bg-raised); text-decoration: none; }
.crumb-sep { color: var(--text-dim); }


/* ── File table ──────────────────────────────────────────────────────────── */

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
}

.file-table th {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  user-select: none;
}

.file-table th.sortable { cursor: pointer; }
.file-table th.sortable:hover { color: var(--text); }

.file-row td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.file-row:hover { background: var(--bg-raised); }
.dir-row { cursor: pointer; }
.dir-row td { font-weight: 500; }

.file-name {
  word-break: break-word;
  min-width: 0;
}
.file-size { white-space: nowrap; color: var(--text-secondary); }
.file-type { color: var(--text-dim); }
.file-date { white-space: nowrap; color: var(--text-dim); }
.file-empty {
  text-align: center;
  padding: 24px 12px !important;
  color: var(--text-dim);
  font-style: italic;
}

/* ── Spinner ─────────────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ── File action menu ───────────────────────────────────────────────────── */

.file-actions-cell {
  position: relative;
  width: 40px;
}

.file-menu-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  font-size: 1.1em;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 1;
}
.file-menu-btn:hover { background: var(--bg-raised); border-color: var(--accent); color: var(--accent); }

.file-menu {
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 30;
  min-width: 130px;
  padding: 4px 0;
  overflow: hidden;
}
.file-menu button {
  display: block;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 0.85em;
  text-align: left;
  cursor: pointer;
  border-radius: 0;
}
.file-menu button:hover { background: var(--bg-raised); }

/* ── File link (clickable name) ─────────────────────────────────────────── */

.file-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
}
.file-link:hover { text-decoration: underline; }

/* ── File preview overlay ───────────────────────────────────────────────── */

.preview-image-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: calc(100vh - 100px);
  padding: 40px 20px 20px;
}

.preview-image {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: 4px;
}

.preview-text-wrap {
  width: min(90vw, 900px);
  max-height: calc(100vh - 100px);
  overflow: auto;
  padding: 60px 20px 20px;
}

.preview-text {
  background: var(--bg-surface);
  color: var(--text);
  padding: 20px;
  border-radius: 8px;
  font-size: 0.85em;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
  margin: 0;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  tab-size: 4;
}

/* ── Chat attachment ────────────────────────────────────────────────────── */

.chat-attach {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-size: 1.2em;
  cursor: pointer;
  border-radius: 8px;
  flex-shrink: 0;
  color: var(--text-secondary);
}
.chat-attach:hover { background: var(--bg-raised); color: var(--accent); }

.chat-attachment {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chat-att-img, .chat-att-file {
  font-weight: 500;
  font-size: 0.88em;
}
.chat-att-thumb {
  max-width: 200px;
  max-height: 200px;
  border-radius: 6px;
  object-fit: contain;
  display: block;
  cursor: pointer;
}
.chat-att-size {
  font-size: 0.75em;
  color: var(--text-dim);
}
.chat-bubble-own .chat-att-size { color: rgba(255, 255, 255, 0.6); }

.file-menu button { display: flex; align-items: center; gap: 8px; }
.file-menu button.danger { color: var(--error); }
.file-menu button.danger:hover { background: var(--error-bg); }
.fmi { font-size: 0.9em; width: 16px; text-align: center; flex-shrink: 0; }

/* ── Download button + progress ──────────────────────────────────────────── */

.dl-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  font-size: 0.9em;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.dl-btn:hover { background: var(--bg-raised); border-color: var(--accent); }
.dl-btn:disabled { opacity: 0.3; cursor: not-allowed; }



.dl-progress {
  flex: 1;
  height: 6px;
  background: var(--bg-raised);
  border-radius: 3px;
  overflow: hidden;
}

.dl-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.2s;
}


/* ── Settings page ───────────────────────────────────────────────────────── */

.settings-section {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.settings-heading {
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 12px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}
.settings-row + .settings-row {
  border-top: 1px solid var(--border);
}

.settings-label {
  font-size: 0.9em;
  color: var(--text);
}

.settings-value {
  font-size: 0.9em;
  color: var(--text-secondary);
}

.settings-select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.9em;
  cursor: pointer;
  min-width: 120px;
}
.settings-select:focus { outline: none; border-color: var(--border-focus); }

/* ── Video player overlay ─────────────────────────────────────────────────── */

.video-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.video-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  z-index: 210;
}

.video-title {
  color: #e2e8f0;
  font-size: 0.9em;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: calc(100% - 60px);
}

.video-close {
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #e2e8f0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.video-close:hover { background: rgba(255, 255, 255, 0.25); }

.video-container {
  width: 100%;
  max-width: min(90vw, 1280px);
  max-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-container video {
  width: 100%;
  max-height: calc(100vh - 120px);
  border-radius: 4px;
  outline: none;
}

.video-loading {
  text-align: center;
  color: #94a3b8;
}

.video-loading-label {
  margin-bottom: 16px;
  font-size: 0.95em;
}

.video-progress-bar {
  width: min(400px, 80vw);
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}

.video-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.15s;
}

.video-progress-text {
  font-size: 0.8em;
  color: #64748b;
}

.video-error {
  color: var(--error);
  font-size: 0.9em;
  text-align: center;
  max-width: 400px;
}


.play-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--success);
  width: 30px;
  height: 30px;
  border-radius: 6px;
  font-size: 0.85em;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 4px;
}
.play-btn:hover { background: var(--bg-raised); border-color: var(--success); }
.play-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Admin panel ─────────────────────────────────────────────────────────── */

.admin-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}

.admin-tab {
  padding: 8px 16px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 0.9em;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-card .stat-label {
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-top: 4px;
}

.admin-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.admin-search {
  flex: 1;
  min-width: 180px;
  max-width: 300px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.9em;
}
.admin-search:focus { outline: none; border-color: var(--border-focus); }

.admin-select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.85em;
  cursor: pointer;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88em;
}
.admin-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.8em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.admin-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.admin-table tr:hover { background: var(--bg-raised); }
.admin-table .admin-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-dim);
  font-style: italic;
}

.admin-actions { display: flex; gap: 6px; }

.admin-btn {
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.82em;
  cursor: pointer;
  white-space: nowrap;
}
.admin-btn:hover { border-color: var(--accent); color: var(--accent); }
.admin-btn.danger { color: var(--error); }
.admin-btn.danger:hover { border-color: var(--error); }
.admin-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Used in four places and never defined, so it rendered as a bare browser
   button next to styled ones. Same shape as .admin-btn, quieter. */
.btn-secondary {
  padding: 4px 10px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: none;
  color: var(--text-secondary);
  font-size: 0.82em;
  cursor: pointer;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--border); color: var(--text); }
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }

/* Text that acts as a button: the "add a description" affordance should not
   compete with the group's name for attention. */
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 0;
  border: none;
  background: none;
  color: var(--text-dim);
  font-size: 0.8em;
  cursor: pointer;
}
.link-btn:hover { color: var(--accent); }

/* The header is a flex row, so a textarea in it collapses to its content
   width unless told otherwise. */
.group-desc-edit { margin: 4px 0 6px; width: min(460px, 60vw); min-width: 260px; }
.group-desc-edit textarea {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-surface);
  color: var(--text);
  font: inherit;
  font-size: 0.85em;
  resize: vertical;
}
.group-desc-edit textarea:focus { outline: none; border-color: var(--border-focus); }
.group-desc-edit div { display: flex; gap: 6px; margin-top: 4px; }

.settings-choice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 0;
  cursor: pointer;
}
.settings-choice input { margin-top: 3px; flex-shrink: 0; }
.settings-choice strong { display: block; font-size: 0.88em; color: var(--text); }
.settings-choice .settings-hint { display: block; margin-top: 2px; }

/* A pasted address can be longer than the bubble; breaking it is better than
   a message that scrolls sideways. */
.chat-link {
  color: var(--accent);
  text-decoration: underline;
  word-break: break-all;
}
.chat-bubble-own .chat-link { color: inherit; }

/* ── Transfers widget ────────────────────────────────────────────────────── */

.transfer-wrap { position: relative; display: flex; align-items: center; }
.transfer-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.transfer-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: -8px;
  width: 330px;
  max-height: 60vh;
  overflow-y: auto;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 60;
  padding: 6px;
}
.transfer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.85em;
  color: var(--text);
  padding: 4px 6px 6px;
  border-bottom: 1px solid var(--border);
}
.transfer-item { padding: 8px 6px; border-bottom: 1px solid var(--border); }
.transfer-item:last-child { border-bottom: none; }
.transfer-line { display: flex; align-items: center; gap: 6px; }
.transfer-kind { color: var(--text-dim); display: flex; }
.transfer-name {
  flex: 1;
  font-size: 0.82em;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.transfer-cancel {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 2px;
  display: flex;
}
.transfer-cancel:hover { color: var(--error); }
.transfer-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.72em;
  color: var(--text-dim);
  margin-top: 3px;
}
.transfer-failed { color: var(--error); }

/* ── File selection ──────────────────────────────────────────────────────── */

.sel-cell { width: 28px; text-align: center; }
.sel-cell input { cursor: pointer; }
.actions-wrap { position: relative; display: inline-flex; margin-left: 8px; }
/* Anchored to the right edge: the button sits at the end of the toolbar, so a
   menu opening leftwards is a menu half off the screen. */
.actions-wrap .file-menu { top: calc(100% + 4px); right: 0; left: auto; }
.actions-wrap .file-menu button { white-space: nowrap; }
.admin-btn.active { border-color: var(--accent); color: var(--accent); }

.admin-role-select {
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.85em;
  cursor: pointer;
}

.admin-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.admin-detail-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-width: 340px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
}

.admin-detail-card h3 {
  margin-bottom: 16px;
  font-size: 1.1em;
}

.admin-detail-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.9em;
}
.admin-detail-row + .admin-detail-row {
  border-top: 1px solid var(--border);
}
.admin-detail-label { color: var(--text-secondary); }
.admin-detail-value { font-weight: 500; }

.admin-load-more {
  display: block;
  margin: 16px auto;
  padding: 8px 24px;
}

.blocklist-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.blocklist-form input {
  flex: 1;
  min-width: 180px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.9em;
}
.blocklist-form input:focus { outline: none; border-color: var(--border-focus); }

/* ── Overlay (mobile sidebar backdrop) ────────────────────────────────────── */

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: 52px;
  background: rgba(0, 0, 0, 0.4);
  z-index: 40;
}
.overlay.visible { display: block; }

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .sidebar {
    position: fixed;
    left: -240px;
    top: 52px;
    height: calc(100vh - 52px);
    z-index: 50;
    transition: left 0.2s;
    box-shadow: none;
  }
  .sidebar.open { left: 0; box-shadow: var(--shadow-lg); }

  .main { padding: 16px; }
  .page-center { padding: 16px; }
  .th-type, .td-type { display: none; }
  .th-date, .td-date { display: none; }
}

/* ── Notification bell ───────────────────────────────────────────────────── */

.nav-notif {
  position: relative;
  /* --text is the page's text colour and the nav is dark: the emoji bell was
     coloured so it showed anyway, a stroked one would have been invisible. */
  color: var(--nav-text);
  text-decoration: none;
  font-size: 1.25rem;
  margin-right: 4px;
}
.notif-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: var(--danger);
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: 10px;
  font-weight: 700;
}

/* ── Notification feed ───────────────────────────────────────────────────── */

.notif-feed {
  margin-bottom: 24px;
}
.notif-feed h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.notif-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius);
  background: var(--bg-surface);
  margin-bottom: 4px;
  cursor: pointer;
  border: 1px solid var(--border);
}
.notif-item:hover {
  background: var(--bg-raised);
}
.notif-unread {
  border-left: 3px solid var(--primary);
  font-weight: 600;
}
.notif-kind {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  white-space: nowrap;
}
.notif-text {
  flex: 1;
  font-size: 0.9rem;
}
.notif-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

/* ── Create Group page ───────────────────────────────────────────────────── */

.create-group-page {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.create-group-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.create-group-header { margin-bottom: 24px; }
.create-group-header h2 { margin-bottom: 8px; font-size: 1.3em; }
.create-group-hint {
  color: var(--text-secondary);
  font-size: 0.88em;
  line-height: 1.5;
}

.form-field { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.82em;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.option-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.option-card {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 10px;
  background: var(--bg-base);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  text-align: center;
  transition: border-color 0.12s, background 0.12s;
}
.option-card:hover { border-color: var(--accent); background: var(--bg-base); }
.option-card.selected .option-icon { color: var(--accent); }
.option-card.selected {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-base));
}

.option-icon { width: 26px; height: 26px; margin-bottom: 2px; color: var(--text-secondary); }
.option-title { font-weight: 600; font-size: 0.9em; color: var(--text); }
.option-desc { font-size: 0.75em; color: var(--text-dim); line-height: 1.3; }

.create-group-submit {
  width: 100%;
  padding: 12px;
  font-size: 1em;
  font-weight: 600;
  margin-top: 8px;
  border-radius: 8px;
}

.form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-base);
  color: var(--text);
  font-size: 0.95em;
  font-family: inherit;
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
}
.form-textarea:focus { outline: none; border-color: var(--border-focus); }
.form-char-count { text-align: right; font-size: 0.75em; color: var(--text-dim); margin-top: 4px; }

.group-desc {
  font-size: 0.85em;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 4px;
}

.group-card-desc {
  font-size: 0.8em;
  color: var(--text-dim);
  line-height: 1.3;
  margin: 4px 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* PDF preview: fills the overlay, scrolls in its own viewer. */
.preview-pdf {
  width: min(1000px, 92vw);
  height: 82vh;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-surface);
}

/* Irreversible actions look like it. */
.btn-danger {
  background: var(--error);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9em;
}
.btn-danger:hover { filter: brightness(1.1); }
.btn-danger:disabled { opacity: 0.5; cursor: not-allowed; }

.notif-feed h3 { display: flex; align-items: center; justify-content: space-between; }
.notif-purge { font-size: 0.8em; padding: 4px 10px; }