/* ══════════════════════════════════════════
   My DICOM Router — Clinical Dark Theme
   Fonts: IBM Plex Mono + IBM Plex Sans
   ══════════════════════════════════════════ */

:root {
  --bg:          #070b14;
  --surface:     #0d1422;
  --card:        #111827;
  --card-border: #1c2d45;
  --accent:      #00c8ff;
  --accent-glow: rgba(0,200,255,0.15);
  --accent2:     #0080ff;
  --success:     #00e5a0;
  --warning:     #ffb800;
  --danger:      #ff4757;
  --danger-dim:  rgba(255,71,87,0.15);
  --text:        #d4e8f7;
  --text-muted:  #5a7a9a;
  --text-dim:    #344a60;
  --mono:        'IBM Plex Mono', monospace;
  --sans:        'IBM Plex Sans', sans-serif;
  --radius:      8px;
  --radius-lg:   14px;
  --transition:  0.2s ease;
}

/* ── Medium Theme ─────────────────────────── */
[data-theme="medium"] {
  --bg:          #1a2332;
  --surface:     #1f2d40;
  --card:        #253447;
  --card-border: #2e4060;
  --accent:      #00c8ff;
  --accent-glow: rgba(0,200,255,0.18);
  --accent2:     #2e9fff;
  --success:     #00d48a;
  --warning:     #ffb800;
  --danger:      #ff4757;
  --danger-dim:  rgba(255,71,87,0.18);
  --text:        #e8f2fb;
  --text-muted:  #7ea8cc;
  --text-dim:    #4a6a88;
}

/* ── Light Theme ──────────────────────────── */
[data-theme="light"] {
  --bg:          #dce8f4;
  --surface:     #e8f1fa;
  --card:        #f0f6fc;
  --card-border: #b8cfe8;
  --accent:      #0078c8;
  --accent-glow: rgba(0,120,200,0.12);
  --accent2:     #005fa3;
  --success:     #00885a;
  --warning:     #b86a00;
  --danger:      #c8000f;
  --danger-dim:  rgba(200,0,15,0.10);
  --text:        #102030;
  --text-muted:  #3a5870;
  --text-dim:    #6a8ca8;
}

/* Auto-mode banner: override to dark amber on light theme so it's visible */
[data-theme="light"] .auto-mode-banner {
  background: rgba(140,70,0,0.12);
  border-color: rgba(140,70,0,0.4);
  color: #7a3d00;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(0,128,255,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 90% 100%, rgba(0,200,255,0.03) 0%, transparent 60%);
}

/* ── Navbar ─────────────────────────────── */
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 100;
}
.navbar-brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { color: var(--accent); font-size: 1.4rem; }
.brand-text {
  font-family: var(--mono); font-weight: 600; font-size: 1rem; color: var(--text);
  letter-spacing: 0.02em;
}
.brand-accent { color: var(--accent); }
.brand-logo {
  display: inline-flex; align-items: center; margin-left: 10px;
}
.brand-logo img {
  max-height: 30px; max-width: 140px; width: auto; object-fit: contain;
  display: block;
}
/* When no logo image is present, show a subtle placeholder frame. */
.brand-logo.brand-logo-empty {
  width: 64px; height: 28px; border: 1px dashed var(--card-border);
  border-radius: 4px; opacity: 0.4;
}
.navbar-actions { display: flex; align-items: center; gap: 8px; }
.nav-user {
  font-size: 0.8rem; color: var(--text-muted);
  padding: 4px 10px; border-right: 1px solid var(--card-border); margin-right: 4px;
}
.nav-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: var(--radius);
  font-size: 0.82rem; font-weight: 500;
  text-decoration: none; color: var(--text-muted);
  transition: var(--transition); border: 1px solid transparent;
}
.nav-btn:hover, .nav-btn.active {
  color: var(--accent); background: var(--accent-glow);
  border-color: rgba(0,200,255,0.25);
}
.nav-btn-outline { border-color: var(--card-border); color: var(--text-muted); }
.nav-btn-ghost { }
.nav-btn-custom {
  border-color: rgba(0,200,255,0.2);
  color: var(--accent);
  background: rgba(0,200,255,0.05);
}
.nav-btn-custom:hover { background: rgba(0,200,255,0.12); border-color: rgba(0,200,255,0.4); }
.theme-toggle-btn { font-size: 0.95rem; padding: 6px 10px; }

/* ── Main Layout ─────────────────────────── */
.main-content { padding: 20px 24px; }
.page-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  max-width: 1400px; margin: 0 auto;
}
.left-panel  { display: flex; flex-direction: column; gap: 16px; grid-row: 1 / 3; }
.right-panel { grid-column: 2; }
.bottom-panel { grid-column: 2; }
.fill-card { flex: 1; }

/* ── Cards ───────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.card-header {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 0.78rem; font-weight: 600;
  color: var(--text-muted); letter-spacing: 0.08em; text-transform: uppercase;
  padding-bottom: 12px; border-bottom: 1px solid var(--card-border);
}
.card-header i { color: var(--accent); }

/* ── Drive Display ───────────────────────── */
.drive-display {
  background: rgba(0,0,0,0.25); border-radius: var(--radius);
  border: 1px solid var(--card-border); padding: 20px; min-height: 120px;
  display: flex; align-items: center; justify-content: center;
}
.drive-empty { text-align: center; color: var(--text-muted); }
.drive-empty p { font-size: 0.9rem; margin: 8px 0 4px; }
.drive-empty small { font-size: 0.75rem; color: var(--text-dim); }
.drive-icon-wrap {
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,0.03); border: 1px dashed var(--text-dim);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 10px;
  font-size: 1.4rem;
}
.drive-icon-wrap.active {
  background: var(--accent-glow); border: 1px solid rgba(0,200,255,0.4);
  animation: pulse-ring 2s ease-in-out infinite;
}
.drive-icon-empty { color: var(--text-dim); }
.drive-icon-active { color: var(--accent); }
.drive-icon-optical {
  color: var(--accent);
  animation: disc-spin 4s linear infinite;
}
@keyframes disc-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.drive-active { display: flex; align-items: center; gap: 16px; width: 100%; }
.drive-meta { flex: 1; }
.drive-label { font-weight: 600; font-size: 1rem; color: var(--text); }
.drive-size { font-size: 0.8rem; color: var(--accent); margin: 2px 0; }
.drive-mount { font-size: 0.72rem; color: var(--text-muted); }

@keyframes pulse-ring {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,200,255,0.3); }
  50%      { box-shadow: 0 0 0 8px rgba(0,200,255,0); }
}

/* Status dot */
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-dim); margin-left: auto;
  transition: var(--transition);
}
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.offline { background: var(--text-dim); }

/* ── Progress Bars ───────────────────────── */
.progress-wrap { display: flex; flex-direction: column; gap: 6px; }
.progress-label {
  display: flex; justify-content: space-between;
  font-size: 0.78rem; color: var(--text-muted);
}
.progress-bar-bg {
  height: 6px; background: rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden;
}
.progress-bar-fill {
  height: 100%; width: 0%; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  transition: width 0.3s ease;
}
.send-fill { background: linear-gradient(90deg, #00b47a, var(--success)); }
.progress-file { font-family: var(--mono); font-size: 0.7rem; color: var(--text-dim);
                 white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.progress-counters { display: flex; align-items: center; gap: 12px; font-size: 0.8rem; }
.counter-ok   { color: var(--success); }
.counter-fail { color: var(--danger); }
.counter-file { color: var(--text-dim); font-family: var(--mono); font-size: 0.72rem;
                overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius);
  font-family: var(--sans); font-size: 0.85rem; font-weight: 500;
  cursor: pointer; border: 1px solid transparent;
  transition: var(--transition); text-decoration: none; white-space: nowrap;
}
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, #0070cc, var(--accent2));
  color: #fff; border-color: rgba(0,128,255,0.5);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #0080e8, #0099ff);
  box-shadow: 0 0 14px rgba(0,128,255,0.35);
}
.btn-success {
  background: linear-gradient(135deg, #007a55, #00c88a);
  color: #fff; border-color: rgba(0,200,138,0.4);
}
.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, #009060, var(--success));
  box-shadow: 0 0 14px rgba(0,229,160,0.3);
}
.btn-ghost {
  background: transparent; color: var(--text-muted);
  border-color: var(--card-border);
}
.btn-ghost:hover:not(:disabled) { color: var(--text); background: rgba(255,255,255,0.05); }
.btn-danger { background: var(--danger-dim); color: var(--danger); border-color: rgba(255,71,87,0.3); }
.btn-danger:hover:not(:disabled) { background: rgba(255,71,87,0.2); }
.btn-sm  { padding: 5px 10px; font-size: 0.78rem; }
.btn-lg  { padding: 11px 22px; font-size: 0.9rem; }
.btn-full { width: 100%; }
.btn-icon i { font-size: 0.9em; }

/* ── Form Fields ─────────────────────────── */
.field-group  { display: flex; flex-direction: column; gap: 5px; }
.field-label  { font-size: 0.78rem; font-weight: 500; color: var(--text-muted);
                letter-spacing: 0.03em; }
.field-hint   { font-weight: 400; color: var(--text-dim); margin-left: 6px; }
.field-input  {
  background: rgba(0,0,0,0.3); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 8px 12px;
  color: var(--text); font-family: var(--sans); font-size: 0.88rem;
  width: 100%; transition: var(--transition); outline: none;
}
.field-input:focus { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(0,128,255,0.12); }
.field-input-wrap { position: relative; }
.field-input-wrap .field-input { padding-left: 36px; }
.field-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
              color: var(--text-dim); font-size: 0.85rem; }
select.field-input { cursor: pointer; }
option { background: var(--card); }

/* ── Toggle Switch ───────────────────────── */
.toggle-wrap { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.toggle-input { display: none; }
.toggle-slider {
  width: 40px; height: 22px; background: var(--text-dim);
  border-radius: 11px; position: relative; transition: var(--transition); flex-shrink: 0;
}
.toggle-slider::after {
  content: ''; position: absolute; width: 16px; height: 16px;
  background: #fff; border-radius: 50%; top: 3px; left: 3px;
  transition: var(--transition);
}
.toggle-input:checked + .toggle-slider { background: var(--accent); }
.toggle-input:checked + .toggle-slider::after { left: 21px; }
.toggle-label { font-size: 0.85rem; color: var(--text-muted); }

/* ── Studies Grid ────────────────────────── */
.study-card {
  background: rgba(0,0,0,0.2); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 12px 16px;
  display: flex; flex-direction: column; gap: 4px;
  transition: var(--transition); margin-bottom: 10px;
}
.study-card:hover { border-color: rgba(0,200,255,0.25); background: rgba(0,200,255,0.03); }
.study-row {
  display: flex; align-items: baseline; gap: 8px;
  font-size: 0.85rem; min-height: 20px;
}
.study-row-label {
  font-size: 0.68rem; font-weight: 600; color: var(--text-dim);
  letter-spacing: 0.05em; text-transform: uppercase;
  min-width: 110px; flex-shrink: 0;
}
.study-row-val { color: var(--text); flex: 1; }
.study-row:first-child .study-row-val {
  font-size: 0.95rem; font-weight: 600;
}


/* ── Activity Log ────────────────────────── */
.activity-log {
  font-family: var(--mono); font-size: 0.75rem;
  max-height: 200px; overflow-y: auto;
  background: rgba(0,0,0,0.2); border-radius: var(--radius);
  padding: 10px 12px; display: flex; flex-direction: column; gap: 3px;
}
.log-line { display: flex; gap: 10px; }
.log-time  { color: var(--text-dim); flex-shrink: 0; }
.log-info  { color: var(--text-muted); }
.log-ok    { color: var(--success); }
.log-warn  { color: var(--warning); }
.log-error { color: var(--danger); }

/* ── Admin Layout ────────────────────────── */
.admin-wrap { max-width: 1200px; margin: 0 auto; }
.admin-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.admin-header h1 { font-size: 1.3rem; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.admin-header h1 i { color: var(--accent); }
.admin-user-badge {
  font-size: 0.8rem; color: var(--text-muted);
  background: var(--card); border: 1px solid var(--card-border);
  padding: 4px 12px; border-radius: 20px;
}

/* ── Tabs ────────────────────────────────── */
.tab-nav {
  display: flex; gap: 4px; border-bottom: 1px solid var(--card-border);
  margin-bottom: 20px; padding-bottom: 0;
}
.tab-btn {
  padding: 9px 18px; background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-size: 0.84rem; font-weight: 500;
  color: var(--text-muted); border-bottom: 2px solid transparent;
  margin-bottom: -1px; display: flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.split-layout { display: flex; gap: 16px; align-items: flex-start; }
/* Admin tab layout helpers (Tag Overrides, Worklist) — match .card feel */
.admin-split-layout { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.admin-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 14px;
}
.card-body { display: flex; flex-direction: column; gap: 14px; }
.field-row { display: flex; gap: 12px; align-items: flex-end; }
.field-row > div { min-width: 0; }
.field-sublabel { display: block; font-size: 0.72rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 600; letter-spacing: 0.02em; }
.flex-card { flex: 1; }

/* ── Data Table ──────────────────────────── */
.data-table {
  width: 100%; border-collapse: collapse; font-size: 0.85rem;
}
.data-table th {
  text-align: left; padding: 8px 12px;
  font-family: var(--mono); font-size: 0.72rem; font-weight: 600;
  color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase;
  border-bottom: 1px solid var(--card-border);
}
.data-table td {
  padding: 10px 12px; border-bottom: 1px solid rgba(28,45,69,0.5);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }
.row-disabled td { opacity: 0.45; }
.row-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.actions-cell { display: flex; gap: 5px; }
.text-ok   { color: var(--success); }
.text-fail { color: var(--danger); }

/* ── Pills / Badges ──────────────────────── */
.pill {
  display: inline-flex; align-items: center;
  padding: 2px 9px; border-radius: 12px; font-size: 0.72rem; font-weight: 600;
}

.pill-clickable {
  cursor: pointer;
  border: none;
  font: inherit;
  transition: filter 0.15s ease, box-shadow 0.15s ease;
}
.pill-clickable:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 8px rgba(0,200,255,0.3);
}

.pill-ok   { background: rgba(0,229,160,0.12); color: var(--success); }
.pill-off  { background: rgba(255,255,255,0.05); color: var(--text-dim); }
.pill-warn { background: rgba(255,184,0,0.12);   color: var(--warning); }

/* ── Received view (operator page) ───────────────────────────── */
.page-tabs { display:flex; gap:4px; margin-bottom:16px; border-bottom:1px solid var(--card-border); }
.page-tab { background:none; border:none; color:var(--text-dim); padding:10px 18px; cursor:pointer;
            font-size:0.95rem; border-bottom:2px solid transparent; display:flex; align-items:center; gap:6px; }
.page-tab:hover { color:var(--text); }
.page-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
.tab-badge { display:inline-block; min-width:18px; padding:0 5px; margin-left:4px; font-size:0.72rem;
             line-height:18px; text-align:center; border-radius:9px; background:var(--accent);
             color:#04121a; font-weight:700; }
.rx-empty { text-align:center; color:var(--text-dim); padding:22px !important; }
.rx-modal { position:fixed; inset:0; background:rgba(0,0,0,0.6); display:flex;
            align-items:center; justify-content:center; z-index:1000; }
.rx-modal-card { width:420px; max-width:92vw; }

/* ── QA viewer ───────────────────────────────────────────────── */
.rx-viewer-modal { position:fixed; inset:0; background:#000; z-index:2000; display:flex; flex-direction:column; }
.rx-viewer-topbar { display:flex; align-items:center; justify-content:space-between; gap:10px; padding:8px 14px; background:var(--surface); border-bottom:1px solid var(--card-border); }
.rx-viewer-title { color:var(--text); font-weight:600; display:flex; align-items:center; gap:8px; }
.rx-viewer-tools { display:flex; align-items:center; gap:8px; }
.rx-viewer-body { flex:1; display:flex; min-height:0; }
.rx-viewer-series { flex:0 0 200px; overflow-y:auto; background:#0a0e14; border-right:1px solid var(--card-border); padding:8px; }
.rx-series-item { padding:8px 10px; border-radius:6px; cursor:pointer; color:var(--text-dim); font-size:0.84rem; margin-bottom:4px; border:1px solid transparent; }
.rx-series-item:hover { background:rgba(255,255,255,0.04); color:var(--text); }
.rx-series-item.active { border-color:var(--accent); color:var(--accent); background:rgba(0,200,255,0.06); }
.rx-viewer-main { flex:1; display:flex; flex-direction:column; min-width:0; position:relative; }
.rx-viewer-canvas { flex:1; min-height:0; background:#000; }
.rx-viewer-scrub { display:flex; align-items:center; gap:10px; padding:8px 14px; background:var(--surface); }
.rx-viewer-status { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); color:var(--text-dim); font-size:0.9rem; pointer-events:none; }
.rx-viewer-status.hidden { display:none; }
.rx-progress { height:4px; background:var(--surface); border-radius:2px; overflow:hidden; margin-top:4px; }
.rx-progress > span { display:block; height:100%; background:var(--accent); width:0; transition:width .3s; }

/* ── Receiver settings: horizontal sub-tab bar ───────────────── */
.rx-settings-body { display:block; padding:0; }
.rx-subnav { display:flex; gap:2px; padding:0 10px; border-bottom:1px solid var(--card-border); overflow-x:auto; }
.rx-subnav-btn { background:none; border:none; color:var(--text-dim); padding:12px 16px; cursor:pointer; font-size:0.9rem; border-bottom:2px solid transparent; display:flex; align-items:center; gap:8px; white-space:nowrap; }
.rx-subnav-btn:hover { color:var(--text); }
.rx-subnav-btn.active { color:var(--accent); border-bottom-color:var(--accent); }
.rx-panels { padding:20px 24px; min-width:0; }
.rx-panel { display:none; }
.rx-panel.active { display:block; }
.rx-source-form { margin-top:16px; padding:14px; border:1px solid var(--card-border); border-radius:var(--radius); background:var(--surface); }
.pill-fail { background: rgba(255,71,87,0.12);    color: var(--danger); }
.pill-run  { background: rgba(0,200,255,0.12);    color: var(--accent); }
.pill-info { background: rgba(0,200,255,0.10);    color: var(--accent); border-color: rgba(0,200,255,0.3); }
.badge {
  background: var(--accent); color: var(--bg);
  font-size: 0.7rem; font-weight: 700;
  padding: 1px 7px; border-radius: 10px; margin-left: auto;
}
.badge.hidden { display: none; }
/* On light theme --bg is a light blue which has poor contrast against --accent;
   use white text instead for readability */
[data-theme="light"] .badge { color: #ffffff; }

/* ── Login ───────────────────────────────── */
.login-wrap {
  min-height: calc(100vh - 56px); display: flex;
  align-items: center; justify-content: center; padding: 24px;
}
.login-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); padding: 40px 36px;
  width: 100%; max-width: 400px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo {
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--accent-glow); border: 1px solid rgba(0,200,255,0.3);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; font-size: 1.5rem; color: var(--accent);
}
.login-title { font-size: 1.3rem; font-weight: 600; }
.login-sub   { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
.login-form  { display: flex; flex-direction: column; gap: 16px; }
.login-footer {
  text-align: center; margin-top: 18px;
  font-size: 0.78rem; color: var(--text-muted);
  background: rgba(0,0,0,0.2); border-radius: var(--radius);
  padding: 10px; line-height: 1.6;
}
.login-footer code {
  color: var(--accent); font-family: var(--mono);
  background: rgba(0,200,255,0.1); padding: 1px 5px; border-radius: 3px;
}
.login-back {
  display: block; text-align: center; margin-top: 14px;
  font-size: 0.82rem; color: var(--text-muted); text-decoration: none;
}
.login-back:hover { color: var(--accent); }

/* ── Alerts ──────────────────────────────── */
.alert {
  padding: 10px 14px; border-radius: var(--radius);
  display: flex; align-items: center; gap: 8px; font-size: 0.85rem;
}
.alert-error { background: var(--danger-dim); color: var(--danger); border: 1px solid rgba(255,71,87,0.3); }

/* ── Toast ───────────────────────────────── */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999;
                   display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  min-width: 280px; max-width: 380px;
  font-size: 0.85rem; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: toastIn 0.25s ease forwards;
}
.toast.removing { animation: toastOut 0.25s ease forwards; }
.toast-ok   { border-left: 3px solid var(--success); }
.toast-err  { border-left: 3px solid var(--danger); }
.toast-info { border-left: 3px solid var(--accent); }
.toast-warn { border-left: 3px solid var(--warning); }
.toast i    { font-size: 1rem; flex-shrink: 0; }
.toast-ok i   { color: var(--success); }
.toast-err i  { color: var(--danger); }
.toast-info i { color: var(--accent); }
.toast-warn i { color: var(--warning); }
@keyframes toastIn  { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }
@keyframes toastOut { from { opacity:1; transform:translateX(0); } to { opacity:0; transform:translateX(20px); } }

/* ── Misc ────────────────────────────────── */
.mono    { font-family: var(--mono); }
.hidden  { display: none !important; }
.empty-state {
  text-align: center; padding: 40px 20px; color: var(--text-muted);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.empty-hint { font-size: 0.83rem; color: var(--text-muted); }
.empty-hint a { color: var(--accent); text-decoration: none; }
.form-stack { display: flex; flex-direction: column; gap: 14px; }

/* ── Tag Editor ──────────────────────────────── */
.tag-edit-study-indicator {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: var(--radius);
  background: var(--accent-glow); border: 1px solid rgba(0,200,255,0.2);
  font-size: 0.85rem; color: var(--accent); font-weight: 600;
  margin-bottom: 14px;
}
.tag-edit-study-counter {
  margin-left: auto; font-size: 0.75rem; color: var(--text-muted);
  font-weight: 400;
}
.tag-pencil-btn {
  background: none; border: none; cursor: pointer;
  color: var(--accent); font-size: 0.85rem; padding: 2px 6px;
  border-radius: var(--radius); transition: var(--transition);
}

/* ── Study action buttons (pencil + MWL lookup) ──────────────── */
.study-pencil-btn, .study-mwl-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 5px 8px;
  transition: all 0.15s ease;
}
.study-pencil-btn:hover, .study-mwl-btn:hover {
  color: var(--accent);
  background: var(--accent-glow);
}
/* Amber highlight when a study has pending tag edits / MWL match applied */
.study-pencil-btn.has-edits,
.study-mwl-btn.has-edits {
  color: #1a1a1a;
  background: var(--warning);
  border-color: var(--warning);
  box-shadow: 0 0 8px rgba(255,184,0,0.4);
}
.study-pencil-btn.has-edits:hover,
.study-mwl-btn.has-edits:hover {
  color: #1a1a1a;
  background: #ffc933;
}

.tag-pencil-btn:hover { background: var(--accent-glow); }
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--sans); font-size: 0.72rem; font-weight: 600;
  background: rgba(255,184,0,0.12); color: var(--warning);
  border: 1px solid rgba(255,184,0,0.3); border-radius: 10px;
  padding: 2px 8px; margin-left: 4px;
}
.tag-editor-notice {
  background: rgba(0,128,255,0.07); border: 1px solid rgba(0,128,255,0.2);
  border-radius: var(--radius); padding: 8px 12px;
  font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 8px;
  line-height: 1.5;
}
.tag-editor-notice i { color: var(--accent2); flex-shrink: 0; margin-top: 1px; }
.tag-editor-idle {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-dim);
  padding: 12px 4px;
}
.tag-editor-idle i { color: var(--text-dim); font-size: 1rem; }

.tag-fields-container { display: flex; flex-direction: column; gap: 10px; }

.tag-field-row {
  display: flex; flex-direction: column; gap: 4px;
  background: rgba(0,0,0,0.15); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 10px 12px;
  transition: var(--transition);
}
.tag-field-row:hover { border-color: rgba(0,128,255,0.25); }
.tag-field-row.has-edit { border-color: rgba(255,184,0,0.35); background: rgba(255,184,0,0.04); }

.tag-field-header {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.tag-field-label {
  font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
  letter-spacing: 0.03em;
}
.tag-field-keyword {
  font-family: var(--mono); font-size: 0.68rem; color: var(--text-dim);
}
.tag-field-original {
  font-size: 0.72rem; color: var(--text-dim); font-family: var(--mono);
  margin-bottom: 2px;
}
.tag-field-original span { color: var(--text-muted); }

.tag-field-input-row { display: flex; gap: 6px; align-items: center; }
.tag-field-input-row .field-input { flex: 1; font-family: var(--mono); font-size: 0.85rem; }
.btn-clear-field {
  padding: 6px 8px; font-size: 0.75rem; color: var(--text-dim);
  background: transparent; border: 1px solid var(--card-border); border-radius: var(--radius);
  cursor: pointer; transition: var(--transition); flex-shrink: 0;
}
.btn-clear-field:hover { color: var(--danger); border-color: rgba(255,71,87,0.4); }

/* ── Admin: options preview chips ────────────── */
.options-preview { display: flex; flex-wrap: wrap; gap: 4px; }
.option-chip {
  display: inline-block; padding: 1px 7px;
  background: rgba(0,200,255,0.08); color: var(--accent);
  border: 1px solid rgba(0,200,255,0.2); border-radius: 10px;
  font-size: 0.7rem; font-family: var(--mono);
}
.option-more { background: rgba(255,255,255,0.04); color: var(--text-dim);
               border-color: var(--card-border); }
.text-muted { color: var(--text-muted) !important; }

/* ── Footer ──────────────────────────────────── */
.app-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 24px;
  border-top: 1px solid var(--card-border);
  background: var(--surface);
  font-size: 0.75rem; color: var(--text-dim);
  margin-top: auto;
}
.footer-left  { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.footer-sep   { color: var(--text-dim); opacity: 0.4; }
.footer-version { color: var(--accent); font-family: var(--mono); font-weight: 600; }
.footer-tools   { color: var(--text-muted); }
.footer-author  { color: var(--text-muted); }
.footer-disk {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 0.72rem; color: var(--text-muted);
}
.disk-pct-badge {
  display: inline-flex; align-items: center;
  padding: 1px 7px; border-radius: 10px;
  font-family: var(--mono); font-size: 0.7rem; font-weight: 600;
  border: 1px solid currentColor; opacity: 0.85;
}
.disk-ok       { color: var(--success); }
.disk-warning  { color: var(--warning); }
.disk-critical { color: var(--danger);  animation: pulse-disk 1.5s ease-in-out infinite; }
@keyframes pulse-disk {
  0%,100% { opacity: 0.85; } 50% { opacity: 1; }
}
.footer-help-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: var(--radius);
  background: var(--accent-glow); color: var(--accent);
  border: 1px solid rgba(0,200,255,0.25);
  text-decoration: none; font-size: 0.78rem; font-weight: 500;
  transition: var(--transition);
}
.footer-help-btn:hover {
  background: rgba(0,200,255,0.2); box-shadow: 0 0 10px rgba(0,200,255,0.2);
}
body { display: flex; flex-direction: column; min-height: 100vh; }
.main-content { flex: 1; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--card-border); border-radius: 3px; }

/* ── Compact study table ──────────────────────── */
.study-table { width:100%; border-collapse:collapse; font-size:0.82rem; }
.study-table thead tr {
  background: rgba(0,200,255,0.06);
  border-bottom: 1px solid var(--card-border);
}
.study-table thead th {
  padding: 6px 10px; color: var(--text-muted);
  font-weight:600; text-align:left; white-space:nowrap;
  letter-spacing:0.03em; font-size:0.75rem; text-transform:uppercase;
}
.study-table th.col-cb, .study-table td.col-cb {
  width: 36px; text-align:center; padding: 6px 4px;
}
.study-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.12s;
  cursor: pointer;
}
.study-table tbody tr:hover { background: rgba(255,255,255,0.04); }
.study-table tbody tr.row-selected { background: rgba(0,200,255,0.09); }
.study-table tbody tr.row-selected td { color: var(--text-bright); }
.study-table td { padding: 7px 10px; color: var(--text-secondary); vertical-align:middle; }
.study-table td.col-name { color: var(--text-bright); font-weight:500; max-width:220px; }
.study-table td.col-name .name-text { display:inline-block; max-width:150px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; vertical-align:middle; }
.study-table td.col-count { white-space:nowrap; color: var(--accent); font-family: var(--mono); font-size:0.78rem; }
.study-table td.col-date  { white-space:nowrap; font-family: var(--mono); font-size:0.78rem; }
.study-table td.col-mod   { white-space:nowrap; }
.study-check { cursor:pointer; width:15px; height:15px; accent-color: var(--accent); }
/* Flex chain for scrollable study table inside fill-card */
.fill-card { overflow:hidden; display:flex; flex-direction:column; }
#studies-container { flex:1; overflow-x:auto; overflow-y:visible; min-width:0; min-height:200px; }
.study-table-wrap { overflow-x:auto; overflow-y:visible; width:100%; min-width:0; }
/* Horizontal scrollbar styling */
#studies-container::-webkit-scrollbar { height:5px; }
#studies-container::-webkit-scrollbar-track { background:transparent; }
#studies-container::-webkit-scrollbar-thumb { background:var(--card-border); border-radius:3px; }

/* ── Auto-mode banner ───────────────────────── */
.auto-mode-banner {
  display:flex; align-items:center; gap:8px;
  padding: 6px 10px; margin-bottom:6px;
  background: rgba(255,200,0,0.10);
  border: 1px solid rgba(255,200,0,0.3);
  border-radius: var(--radius);
  font-size:0.82rem; color: #ffd700;
}

/* ── Selection summary bar ───────────────────── */
.selection-summary {
  display:flex; align-items:center; gap:8px;
  padding: 6px 10px; margin-bottom:6px;
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: var(--radius);
  font-size:0.82rem; color: var(--accent);
}
.selection-summary #selection-text { flex:1; font-weight:500; }
.btn-xs { padding:2px 8px; font-size:0.75rem; }

/* ── Small button row ────────────────────────── */
.btn-row-sm { display:flex; gap:6px; margin-top:4px; }
.btn-row-sm .btn { flex:1; justify-content:center; }

/* ── ZIP source badge in study table ─────────── */
.zip-badge {
  display:inline-flex; align-items:center; gap:4px;
  font-size:0.67rem; font-family:var(--mono);
  background: rgba(255,184,0,0.12); color: var(--warning);
  border: 1px solid rgba(255,184,0,0.3); border-radius: 8px;
  padding: 1px 6px; margin-left: 4px; vertical-align:middle;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:120px;
}

/* ── Folder Browser Modal ─────────────────────── */
.modal-backdrop {
  position:fixed; inset:0; z-index:2000;
  background: rgba(0,0,0,0.7); backdrop-filter:blur(4px);
  display:flex; align-items:center; justify-content:center;
}
.modal-box {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius-lg); width: min(600px,92vw);
  max-height: 80vh; display:flex; flex-direction:column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.modal-header {
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--card-border);
  font-family:var(--mono); font-size:0.82rem; font-weight:600;
  color:var(--text-muted); letter-spacing:0.05em; text-transform:uppercase;
}
.modal-breadcrumb {
  padding: 8px 18px; font-family:var(--mono); font-size:0.75rem;
  color:var(--text-muted); border-bottom:1px solid var(--card-border);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  background:rgba(0,0,0,0.2);
}
.modal-breadcrumb a {
  color:var(--accent); text-decoration:none; cursor:pointer;
}
.modal-breadcrumb a:hover { text-decoration:underline; }
.modal-dir-list {
  flex:1; overflow-y:auto; padding:8px 12px; display:flex; flex-direction:column; gap:2px;
}
.modal-dir-item {
  display:flex; align-items:center; gap:10px;
  padding:8px 10px; border-radius:var(--radius);
  cursor:pointer; transition:var(--transition);
  font-size:0.85rem; border:1px solid transparent;
}
.modal-dir-item:hover { background:rgba(0,200,255,0.05); border-color:rgba(0,200,255,0.15); }
.modal-dir-item.selected { background:rgba(0,200,255,0.1); border-color:rgba(0,200,255,0.35); color:var(--accent); }
.modal-dir-item i { color:var(--accent); font-size:1rem; flex-shrink:0; }
.modal-dir-item.parent i { color:var(--text-dim); }
.modal-dir-item.parent { color:var(--text-dim); }
.modal-dir-item.parent:hover { color:var(--text); }
.modal-footer {
  padding:12px 18px; border-top:1px solid var(--card-border);
  display:flex; align-items:center; gap:12px; flex-wrap:wrap;
  background:rgba(0,0,0,0.15);
}
.modal-selected-path {
  flex:1; font-size:0.75rem; color:var(--text-muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

/* Config backup tab — checkbox/radio rows */
.chk-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 5px 0;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
}
.chk-row input { margin-top: 2px; flex: none; }
.import-summary {
  font-size: 0.82rem;
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 10px 12px;
  background: var(--surface);
}
.import-summary .rej { color: var(--danger); }
.import-summary .warn { color: var(--warning); }


/* Backup tab alert state (last scheduled backup failed/missed) */
.tab-btn.tab-alert { color: var(--danger); }
.tab-btn.tab-alert::after {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  margin-left: 6px;
  border-radius: 50%;
  background: var(--danger);
  vertical-align: middle;
}
/* Sender footer: last-backup indicator */
.backup-indicator { display: inline-flex; align-items: center; gap: 5px; font-size: 0.78rem; }
.backup-indicator.ok   { color: var(--success); }
.backup-indicator.bad  { color: var(--danger); }


/* Callout boxes (used on the Reset tab) */
.callout {
  border-radius: 6px; padding: 12px 14px; font-size: 0.85rem;
  line-height: 1.5; background: var(--card-bg); border: 1px solid var(--card-border);
}
.callout-danger {
  background: rgba(220,53,69,0.08);
  border: 1px solid var(--danger);
  color: var(--text);
}
.callout-danger strong { color: var(--danger); }
/* Danger tab button (Reset) */
.tab-btn-danger { color: var(--danger); }
.tab-btn-danger.active { color: var(--danger); border-bottom-color: var(--danger); }


/* Footer heartbeat indicator */
.footer-heartbeat { display: inline-flex; align-items: center; gap: 6px; }
.footer-heartbeat .hb-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.footer-heartbeat.hb-green .hb-dot { background: var(--success, #00e5a0); box-shadow: 0 0 6px var(--success, #00e5a0); }
.footer-heartbeat.hb-red .hb-dot   { background: var(--danger, #ff4d5e); box-shadow: 0 0 6px var(--danger, #ff4d5e); }
.footer-heartbeat.hb-grey .hb-dot  { background: var(--text-dim, #6b7a92); }
/* Dashboard tab connection dot */
.dash-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; background: var(--text-dim); }
.dash-dot.green { background: var(--success, #00e5a0); box-shadow: 0 0 7px var(--success, #00e5a0); }
.dash-dot.red   { background: var(--danger, #ff4d5e); box-shadow: 0 0 7px var(--danger, #ff4d5e); }
.dash-dot.grey  { background: var(--text-dim, #6b7a92); }
.upd-dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; background: var(--text-dim); }
.upd-dot.updating { background: #ff9800; box-shadow: 0 0 7px #ff9800; animation: upd-pulse 1.1s ease-in-out infinite; }
@keyframes upd-pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(0.78); } }