:root {
  --bg: #0f1419;
  --surface: #1a2029;
  --surface-2: #232b36;
  --border: #313b48;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #3b82f6;
  --accent-fg: #fff;
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden {
  display: none !important;
}
.muted {
  color: var(--muted);
}
.spacer {
  flex: 1;
}

/* auth + login */
.auth-body {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  width: 360px;
  max-width: 92vw;
}
.auth-card h1 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}
.auth-intro {
  color: var(--muted);
  margin: 0 0 18px;
}
.auth-card label, #conn-form label, #tool-form label, #group-form label {
  display: block;
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--muted);
}
.auth-card input, .auth-card select, dialog input, dialog select, dialog textarea {
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
}
.auth-error {
  color: var(--danger);
  min-height: 1.2em;
  margin: 6px 0 0;
  font-size: 0.85rem;
}

/* Checkboxes and radios must never inherit the full-width input rule. */
input[type="checkbox"],
input[type="radio"] {
  width: 16px !important;
  height: 16px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

button {
  font: inherit;
  cursor: pointer;
  border-radius: 7px;
  border: 1px solid var(--border);
  padding: 8px 14px;
  background: var(--surface-2);
  color: var(--text);
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}
button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
button.ghost {
  background: transparent;
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.auth-card button {
  width: 100%;
  margin-top: 4px;
  padding: 10px;
}

/* app shell */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar strong {
  font-size: 1.05rem;
}
#nav {
  display: flex;
  gap: 4px;
}
.nav-btn {
  border: none;
  background: transparent;
  color: var(--muted);
}
.nav-btn.active {
  color: var(--text);
  background: var(--surface-2);
}
main {
  padding: 22px;
  max-width: 1480px;
  margin: 0 auto;
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.panel-head h2 {
  margin: 0;
  font-size: 1.15rem;
  flex: 1;
}
.hint {
  color: var(--muted);
  margin: 0 0 16px;
  font-size: 0.85rem;
  max-width: 720px;
}
.field-help {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
  margin: -8px 0 12px;
  max-width: 100%;
}
.field-help code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 0.95em;
  word-break: break-all;
}
.guide {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 0 0 16px;
  max-width: 760px;
}
.guide summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
}
.guide ol {
  margin: 10px 0 4px;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}
.tpl-row select {
  font-weight: 500;
}
.inline-form {
  display: flex;
  gap: 8px;
}
.inline-form input {
  padding: 7px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
}

/* cards */
.cards {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.card-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-title {
  font-weight: 600;
  flex: 1;
}
.card-sub {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 2px;
  word-break: break-all;
}
.card-actions {
  display: flex;
  gap: 6px;
}
.card-actions button {
  padding: 5px 10px;
  font-size: 0.82rem;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--muted);
}
.badge.read {
  color: var(--ok);
  border-color: rgba(34, 197, 94, 0.4);
}
.badge.write {
  color: var(--warn);
  border-color: rgba(245, 158, 11, 0.5);
}
.badge.off {
  opacity: 0.7;
}
.badge.on {
  color: var(--ok);
}
.badge.pending {
  color: var(--warn);
  border-color: rgba(245, 158, 11, 0.5);
}
.pending-banner {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 0.85rem;
}
.card-pending {
  border-color: rgba(245, 158, 11, 0.5);
}

.cred-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}
.cred-row input {
  flex: 1;
  padding: 6px 9px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}

/* tools page: search/filter toolbar + grouped grid */
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.toolbar input[type="search"] {
  flex: 1;
  min-width: 220px;
  padding: 8px 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
}
.toolbar select {
  padding: 8px 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
}
.toolbar-count {
  color: var(--muted);
  font-size: 0.82rem;
}
.tool-group {
  margin-bottom: 16px;
}
.tool-group > summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.tool-group > summary .count {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.8rem;
  margin-left: 6px;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
}
.tool-card .card-title {
  font-size: 0.9rem;
}
.tool-card .card-actions {
  margin-top: 8px;
}

/* group tool picker */
.group-tools-head {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 6px 0;
}
.group-search {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px 11px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
}
.group-tools {
  max-height: 60vh;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}
.group-conn {
  margin-bottom: 18px;
}
.group-conn-name {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 600;
  font-size: 0.9rem;
  padding-bottom: 8px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.group-conn-name .count {
  color: var(--muted);
  font-weight: 400;
  font-size: 0.8rem;
  margin-left: 4px;
}
.group-conn-actions {
  display: flex;
  gap: 6px;
}
.group-select-all {
  font-size: 0.75rem;
  color: var(--accent);
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 8px;
}
.group-select-all:hover {
  border-color: var(--accent);
}

/* readable selectable tool rows (group picker) */
.pick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 8px;
}
.pick-row {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin: 0;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
}
.pick-row:hover {
  border-color: var(--accent);
}
.pick-row input {
  margin-top: 2px;
}
.pick-row:has(input:checked) {
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
}
.pick-main {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.pick-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
}
.pick-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
}
.group-conn-name {
  font-weight: 600;
  font-size: 0.85rem;
  margin: 4px 0;
}
.group-tool {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0 3px 12px;
  font-size: 0.85rem;
}
.group-tool input {
  width: auto;
  margin: 0;
}
.group-select-all {
  font-size: 0.75rem;
  color: var(--accent);
  background: none;
  border: none;
  padding: 0 6px;
}

/* user rows */
.user-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}
.user-groups label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
}
.user-groups input {
  width: auto;
}

/* table */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.table th, .table td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
}
.table th {
  color: var(--muted);
  font-weight: 500;
}

/* dialogs */
dialog {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  width: 520px;
  max-width: 94vw;
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}
dialog h3 {
  margin: 0 0 14px;
}
dialog small {
  color: var(--muted);
  font-weight: 400;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

/* ── full-screen pages ─────────────────────────────────────────────────── */
body.page-open {
  overflow: hidden;
}
.page {
  position: fixed;
  inset: 0;
  z-index: 40;
  overflow-y: auto;
  background: var(--bg);
}
.page-hero {
  background: linear-gradient(135deg, #1b2536, #11161d);
  border-bottom: 1px solid var(--border);
  padding: 20px 28px 26px;
}
.page-back {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 4px 0;
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.page-back:hover {
  color: var(--text);
}
.hero-row {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  max-width: 1080px;
  margin: 0 auto;
}
.hero-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.12);
  border-radius: 12px;
  padding: 9px;
}
.page-hero h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}
.hero-sub {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
  line-height: 1.5;
}
.page-body {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 28px 60px;
}
.page.wide .page-body {
  max-width: 1380px;
}
.page-main {
  flex: 1;
  min-width: 0;
}
.page-aside {
  width: 320px;
  flex-shrink: 0;
}
@media (max-width: 860px) {
  .page-body {
    flex-direction: column;
  }
  .page-aside {
    width: 100%;
  }
}
.page-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.page-main fieldset.fs {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px 4px;
  margin: 0 0 18px;
}
.page-main fieldset.fs legend {
  padding: 0 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-main label {
  display: block;
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--muted);
}
.page-main input,
.page-main select,
.page-main textarea {
  width: 100%;
  margin-top: 4px;
  padding: 9px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font: inherit;
}
.page-main label.inline-check {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-main label.inline-check input {
  width: auto;
  margin: 0;
}
.picker {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 20px;
}
.big-label {
  font-size: 1rem !important;
  font-weight: 600;
  color: var(--text) !important;
}
.adv summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--muted);
}
.tip-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.tip-card h3 {
  margin: 0 0 6px;
  font-size: 0.9rem;
}
.tip-card p {
  margin: 0;
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.5;
}
.tip-card code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  font-size: 0.95em;
  word-break: break-all;
}
.setup-guide {
  border-color: var(--accent);
}
.setup-guide ol {
  margin: 8px 0 10px;
  padding-left: 18px;
  font-size: 0.84rem;
  color: var(--text);
  line-height: 1.6;
}
.doc-link {
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
}
.doc-link:hover {
  text-decoration: underline;
}

#toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
#toast.show {
  opacity: 1;
}