:root {
  --bg: #050709;
  --bg-deep: #020304;
  --surface: #0a0c11;
  --surface-strong: #0e1118;
  --surface-soft: #070910;
  --text: #9aa4b8;
  --text-bright: #d8dde8;
  --muted: #5a647a;
  --faint: #2c3344;
  --accent: #c89b1c;
  --accent-hover: #ddb232;
  --on-accent: #020304;
  --border: rgba(100, 120, 170, 0.07);
  --border-strong: rgba(200, 155, 28, 0.20);
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
  --danger: #c83030;
  --danger-soft: rgba(200, 48, 48, 0.08);
  --warn: #c89b1c;
  --warn-soft: rgba(200, 155, 28, 0.08);
  --ok: #28a06a;
  --ok-soft: rgba(40, 160, 106, 0.07);
  --input-bg: #070910;
  --overlay: rgba(1, 2, 3, 0.92);
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "Fira Code", monospace;
  --r: 0px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; }
body {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); }

.mono { font-family: var(--mono); font-size: 12px; }

/* ---- Login ---- */
.login-body {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
}
.login-chassis { width: 100%; max-width: 400px; padding: 24px; }
.login-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px 28px;
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  justify-content: center;
}
.brand-icon { color: var(--accent); }
.brand-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--text-bright);
}
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.field input, .input {
  width: 100%;
  padding: 10px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus, .input:focus {
  border-color: var(--accent);
}
.error-msg {
  color: var(--danger);
  font-size: 12px;
  margin-top: 12px;
  min-height: 18px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--border-strong); color: var(--text-bright); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: 0.85; }
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* ---- Layout ---- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px;
  background: var(--bg-deep);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.sidebar-brand svg { color: var(--accent); }
.sidebar-brand span {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-bright);
}
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 8px; flex: 1; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s;
  border: none;
  background: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
}
.nav-link:hover { color: var(--text-bright); background: var(--surface-soft); }
.nav-link.active { color: var(--accent); background: rgba(200, 155, 28, 0.06); }
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.main-content { flex: 1; padding: 24px 32px; overflow-y: auto; }

/* ---- Panel / Card ---- */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
}
.section-title svg { color: var(--accent); }

/* ---- Form grid ---- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.form-field label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.form-field .hint {
  font-size: 11px;
  color: var(--faint);
  margin-top: 2px;
}
select.input {
  padding: 9px 12px;
  appearance: auto;
}

/* ---- Drop zone ---- */
.drop-zone {
  border: 1px dashed var(--border-strong);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--muted);
}
.drop-zone:hover, .drop-zone.hot { border-color: var(--ok); color: var(--ok); background: var(--ok-soft); }
.drop-zone svg { width: 32px; height: 32px; margin-bottom: 8px; }
.drop-zone p { margin: 6px 0 0; }

.file-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-strong);
  border: 1px solid var(--border);
}
.file-chip .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-bright); }
.file-chip .size { color: var(--muted); font-size: 12px; }

/* ---- Pills ---- */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid transparent;
}
.pill-staged { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.pill-poly { background: rgba(200, 155, 28, 0.06); color: var(--accent); }
.pill-poly-bat { background: rgba(200, 155, 28, 0.06); color: var(--accent); border-color: var(--accent); }
.pill-poly-persist { background: var(--ok-soft); color: var(--ok); border-color: var(--ok); }
.pill-poly-admin { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
.pill-poly-admin-persist { background: rgba(200, 155, 28, 0.06); color: var(--accent); }
.pill-poly-python { background: rgba(56, 118, 200, 0.08); color: #3876c8; border-color: #3876c8; }
.pill-poly-7z { background: rgba(120, 80, 200, 0.08); color: #9b7ad8; border-color: #9b7ad8; }
.pill-poly-staged-msi { background: rgba(56, 118, 200, 0.08); color: #3876c8; border-color: #3876c8; }
.pill-poly-staged-msi-persist { background: rgba(56, 118, 200, 0.08); color: #3876c8; border-color: #3876c8; }
.pill-direct { background: rgba(200, 155, 28, 0.06); color: var(--accent); border-color: var(--accent); }
.pill-staged-lnk { background: var(--warn-soft); color: var(--warn); border-color: var(--warn); }
.pill-count {
  background: var(--surface-soft);
  color: var(--muted);
  padding: 2px 8px;
  font-size: 11px;
  margin-left: 8px;
}

/* ---- Slot card ---- */
.slot-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 14px 16px;
  margin-bottom: 8px;
}
.slot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.slot-header-left { display: flex; align-items: center; gap: 8px; }
.slot-path { font-family: var(--mono); font-size: 13px; color: var(--text-bright); }
.slot-actions { display: flex; align-items: center; gap: 6px; }
.slot-meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.slot-meta .mono { color: var(--text); }
.cmd-block { margin-bottom: 8px; }
.cmd-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.cmd-area {
  position: relative;
}
.cmd-area textarea {
  width: 100%;
  resize: none;
  padding: 10px 40px 10px 12px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  color: var(--ok);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.4;
}
.cmd-area .copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
}
.regen-row {
  margin-top: 8px;
}
.stats-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
}
.stats-label {
  flex: none;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.stats-link {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  text-decoration: none;
}
.stats-link:hover { color: var(--text-bright); }

/* ---- Advanced toggle ---- */
.advanced-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  padding: 8px 0;
  font-family: var(--sans);
}
.advanced-toggle:hover { color: var(--text-bright); }
.advanced-toggle .chevron { transition: transform 0.2s; font-size: 10px; }
.advanced-toggle[aria-expanded="true"] .chevron { transform: rotate(90deg); }
.advanced-body { display: none; margin-bottom: 12px; }
.advanced-body.open { display: block; }

/* ---- Telegram fields ---- */
.tg-box {
  background: var(--surface-soft);
  border: 1px solid var(--border);
  padding: 14px;
  margin-bottom: 12px;
}
.tg-box h4 {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 6px;
}
.tg-box h4 svg { color: var(--accent); }
.tg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

/* ---- Dialog overlay ---- */
.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.2s;
}
.overlay.visible { opacity: 1; }
.dialog-card {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  padding: 24px;
  max-width: 420px;
  width: 90%;
}
.dialog-card h2 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--text-bright);
}
.dialog-card p { color: var(--muted); margin: 0 0 20px; }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ---- Toast ---- */
.toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text-bright);
  animation: toast-in 0.25s ease-out;
  max-width: 360px;
}
.toast-success { border-color: var(--ok); color: var(--ok); }
.toast-error { border-color: var(--danger); color: var(--danger); }
.toast-warning { border-color: var(--warn); color: var(--warn); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- SVG icons ---- */
svg.icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
svg.icon-lg { width: 20px; height: 20px; }

/* ---- Responsive ---- */
@media (max-width: 800px) {
  .sidebar { width: 64px; }
  .sidebar-brand span, .nav-link span { display: none; }
  .sidebar-brand { justify-content: center; padding: 0 8px 16px; }
  .nav-link { justify-content: center; padding: 10px 8px; }
  .main-content { padding: 16px; }
  .tg-grid { grid-template-columns: 1fr; }
}

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
}
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.3; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--faint); }