/* Smart City Lab · 管理控制台 */
html, body.admin-body {
  overflow: auto;
  height: auto;
  min-height: 100%;
}

.admin-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.4rem;
  border-bottom: 1px solid var(--panel-edge);
  background: rgba(4, 12, 22, 0.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.admin-top .brand-block strong {
  letter-spacing: 0.1em;
}

.admin-top-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.admin-who {
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.admin-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--panel-edge);
  background: var(--cyan-dim);
  color: var(--cyan);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.admin-pill[hidden],
#logoutBtn[hidden] {
  display: none !important;
}

.admin-pill.role-admin { color: var(--amber); border-color: rgba(240,160,32,.4); background: rgba(240,160,32,.12); }
.admin-pill.role-operator { color: #8ec8ff; border-color: rgba(100,160,220,.4); background: rgba(100,160,220,.12); }
.admin-pill.role-viewer { color: var(--muted); }

.admin-main {
  flex: 1;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 2.5rem;
}

.admin-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.admin-hero-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.admin-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1rem;
  align-items: start;
}

.admin-editor-tools {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.admin-editor {
  position: sticky;
  top: 4.5rem;
  max-height: calc(100vh - 5.5rem);
  overflow: auto;
  padding: 0.85rem 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--panel-edge);
  background: rgba(4, 12, 22, 0.72);
}

.admin-hint {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.admin-hint code {
  color: var(--cyan);
  font-size: 0.78rem;
}

.admin-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 0.85rem;
}

.admin-preset-row .btn {
  font-size: 0.78rem;
}

.btn-sm {
  padding: 0.28rem 0.55rem;
  font-size: 0.78rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  white-space: nowrap;
}

.linkish {
  appearance: none;
  border: 0;
  background: none;
  padding: 0;
  color: var(--cyan);
  font: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: none;
}

.linkish:hover { text-decoration: underline; }

.admin-table tr.is-active td {
  background: rgba(45,226,197,.08);
}

.admin-field input[readonly] {
  opacity: 0.75;
}

@media (max-width: 980px) {
  .admin-split { grid-template-columns: 1fr; }
  .admin-editor { position: static; }
}

.admin-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  letter-spacing: 0.06em;
}

.admin-hero p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  max-width: 36rem;
  line-height: 1.45;
}

.admin-nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin: 0 0 1.1rem;
  padding: 0.3rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(4, 12, 22, 0.55);
}

.admin-nav button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.55rem 0.9rem;
  border-radius: 9px;
  cursor: pointer;
}

.admin-nav button:hover { color: var(--text); background: rgba(255,255,255,.04); }
.admin-nav button.active {
  color: #042018;
  background: var(--cyan);
  box-shadow: 0 0 18px rgba(45,226,197,.25);
}

.admin-panel {
  display: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 1.05rem 1.15rem 1.2rem;
  margin-bottom: 1rem;
}

.admin-panel.active {
  display: block;
}

.admin-panel[hidden] {
  display: none !important;
}

.admin-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
}

.admin-panel-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.admin-panel-head span {
  color: var(--muted);
  font-size: 0.8rem;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.55rem;
  margin-bottom: 1rem;
}

.admin-stat {
  appearance: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  padding: 0.7rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(45,226,197,.08), rgba(6,12,22,.55));
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.admin-stat:hover {
  border-color: rgba(45,226,197,.45);
  transform: translateY(-1px);
}

.admin-stat.active {
  border-color: rgba(45,226,197,.7);
  box-shadow: 0 0 0 1px rgba(45,226,197,.25), 0 0 20px rgba(45,226,197,.12);
}

.admin-stat[hidden] { display: none !important; }

.admin-stat .label {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.admin-stat .value {
  margin-top: 0.2rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  color: #f4fbff;
}

.admin-table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 1rem;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.admin-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.72rem;
  padding: 0.65rem 0.75rem;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.admin-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.admin-table tr:last-child td { border-bottom: 0; }
.admin-table tbody tr:hover td { background: rgba(45,226,197,.04); }
.admin-table .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.82rem; color: #b8d0de; }
.admin-table .dim { color: var(--muted); max-width: 28rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

.badge.on { color: var(--good); border-color: rgba(61,214,140,.35); background: rgba(61,214,140,.1); }
.badge.off { color: var(--bad); border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.1); }
.badge.open { color: var(--amber); border-color: rgba(240,160,32,.35); background: rgba(240,160,32,.1); }
.badge.stream { color: var(--cyan); border-color: rgba(45,226,197,.35); background: rgba(45,226,197,.1); }
.badge.static { color: #c8b4ff; border-color: rgba(180,140,255,.35); background: rgba(180,140,255,.1); }

.admin-form-title {
  margin: 0.2rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem 0.85rem;
}

.admin-grid .full { grid-column: 1 / -1; }

.admin-field label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.28rem;
}

.admin-field input,
.admin-field select,
.admin-field textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #071018;
  color: var(--text);
  font: inherit;
}

.admin-field input:focus,
.admin-field select:focus,
.admin-field textarea:focus {
  outline: none;
  border-color: rgba(45,226,197,.55);
  box-shadow: 0 0 0 3px rgba(45,226,197,.12);
}

.admin-actions {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-top: 0.95rem;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 9px;
  padding: 0.55rem 1rem;
  font: inherit;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.btn-primary {
  background: var(--cyan);
  color: #042018;
  box-shadow: 0 0 18px rgba(45,226,197,.2);
}

.btn-primary:hover { filter: brightness(1.05); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-ghost:hover { border-color: var(--panel-edge); background: rgba(255,255,255,.03); }

.admin-msg {
  min-height: 1.2rem;
  margin: 0 0 0.85rem;
  color: var(--warn);
  font-size: 0.9rem;
}

.admin-msg.ok { color: var(--good); }
.admin-msg.err { color: var(--bad); }

.admin-empty {
  color: var(--muted);
  padding: 1rem;
  text-align: center;
}

/* 登录 */
.admin-login {
  width: min(420px, 100%);
  margin: 4.5vh auto 2rem;
  padding: 1.4rem 1.35rem 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--panel-edge);
  background: linear-gradient(165deg, rgba(45,226,197,.1), rgba(6,12,22,.88));
  box-shadow: 0 24px 60px rgba(0,0,0,.35);
}

.admin-login .kicker {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.admin-login h1 {
  margin: 0.35rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: 0.06em;
}

.admin-login .lead {
  margin: 0 0 1.1rem;
  color: var(--muted);
  line-height: 1.45;
  font-size: 0.92rem;
}

.admin-login .admin-field { margin-bottom: 0.75rem; }
.admin-login .admin-actions { margin-top: 0.4rem; }
.admin-login .admin-actions .btn { width: 100%; }

.admin-foot {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.25rem 1.2rem;
  color: var(--muted);
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
}

.admin-foot a {
  color: var(--cyan);
  text-decoration: none;
}

.admin-foot a:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .admin-stats { grid-template-columns: repeat(2, 1fr); }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-hero { flex-direction: column; align-items: flex-start; }
}