:root {
  --bg-top: #eef3fb;
  --bg-bottom: #e3ebf7;
  --panel: #ffffffd9;
  --panel-strong: #ffffffef;
  --line: #d4dfee;
  --text: #0f172a;
  --muted: #667085;
  --brand: #3b82f6;
  --brand-2: #2563eb;
  --bubble-user: #e8f0ff;
  --bubble-assistant: #fdfefe;
  --msg-font-size: 16px;
  --shadow: 0 12px 32px rgba(15, 23, 42, 0.12), 0 1px 0 rgba(255, 255, 255, 0.45) inset;
  --glass-blur: blur(18px) saturate(145%);
  --danger: #dc2626;
  --success: #059669;
  --warn: #d97706;
}

.shell.theme-dark {
  --bg-top: #14131a;
  --bg-bottom: #0f0e14;
  --panel: #1b1925cc;
  --panel-strong: #211e2df0;
  --line: #39354a;
  --text: #ebe8f5;
  --muted: #a8a1be;
  --brand: #9d8dd7;
  --brand-2: #8676c8;
  --bubble-user: #2d2940;
  --bubble-assistant: #211e2d;
  --shadow: 0 16px 40px rgba(2, 2, 6, 0.62), 0 1px 0 rgba(255, 255, 255, 0.04) inset;
  --glass-blur: blur(20px) saturate(150%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Roboto Flex", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg-bottom);
}

body.blank {
  background: #fff;
}

.material-symbols-outlined {
  font-size: 20px;
  line-height: 1;
  vertical-align: middle;
  user-select: none;
}

.shell {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 10% -10%, color-mix(in srgb, var(--brand) 14%, transparent), transparent 60%),
    radial-gradient(90% 70% at 100% 0%, color-mix(in srgb, var(--brand-2) 10%, transparent), transparent 60%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  color: var(--text);
}

.shell.app-hidden {
  visibility: hidden;
  opacity: 0;
}

.app-error {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 90;
  max-width: min(96vw, 720px);
  border: 1px solid color-mix(in srgb, var(--danger) 35%, var(--line));
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel) 82%, #fca5a5 18%);
  color: var(--text);
  padding: 10px 12px;
  box-shadow: var(--shadow);
}

.drawer {
  position: absolute;
  z-index: 30;
  top: 0;
  left: 0;
  width: 300px;
  height: 100%;
  background: var(--panel);
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transform: translateX(-100%);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.shell.drawer-open .drawer {
  transform: translateX(0);
}

.drawer-backdrop {
  position: absolute;
  inset: 0;
  z-index: 20;
  border: 0;
  background: rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.shell.drawer-open .drawer-backdrop,
.shell.settings-open .drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.drawer-top {
  padding: 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.drawer-top h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.drawer-top-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.drawer-top .secondary-btn {
  padding: 6px 10px;
  font-size: 12px;
}

.user-info {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 4px;
}

.user-info strong {
  font-size: 14px;
}

.user-info span {
  font-size: 12px;
  color: var(--muted);
}

.drawer-tabs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
}

.drawer-tab {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--brand) 14%, transparent);
  color: var(--text);
  padding: 6px 8px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.drawer-pane {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
}

.zones-list {
  padding: 8px;
  display: grid;
  gap: 8px;
}

.zone-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: color-mix(in srgb, var(--panel-strong) 84%, transparent);
}

.zone-card strong {
  display: block;
  font-size: 13px;
}

.zone-card p {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.main {
  height: 100%;
  display: grid;
  grid-template-rows: auto auto 1fr;
}

.main-header {
  background: color-mix(in srgb, var(--panel-strong) 88%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
}

.header-left, .header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.main-header h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.status {
  margin: 1px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.metrics-grid {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.metric-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent);
  box-shadow: var(--shadow);
  display: grid;
  gap: 4px;
}

.metric-card span {
  font-size: 12px;
  color: var(--muted);
}

.metric-card strong {
  font-size: 24px;
}

.metric-card.danger strong {
  color: var(--danger);
}

.content-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: 1.5fr 0.9fr;
  gap: 10px;
  padding: 0 12px 12px;
}

.monitors-card,
.history-card {
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}

.section-head {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.section-head h3 {
  margin: 0;
  font-size: 15px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.monitor-grid,
.history-list {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.monitor-card,
.history-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
}

.monitor-card[data-down="true"] {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--line));
}

.monitor-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.monitor-title {
  display: grid;
  gap: 4px;
}

.monitor-title strong {
  font-size: 15px;
}

.monitor-title span {
  font-size: 12px;
  color: var(--muted);
}

.chips, .states, .monitor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip,
.state-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 11px;
  background: transparent;
}

.state-pill.up {
  color: var(--success);
  border-color: color-mix(in srgb, var(--success) 40%, var(--line));
}

.state-pill.down {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, var(--line));
}

.state-pill.unknown {
  color: var(--warn);
  border-color: color-mix(in srgb, var(--warn) 40%, var(--line));
}

.monitor-actions {
  margin-top: 8px;
  justify-content: flex-end;
}

.history-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
}

.history-meta {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  color: var(--muted);
  display: grid;
  gap: 6px;
  place-items: center;
}

.modal {
  position: absolute;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 12px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}

.modal-card {
  position: relative;
  width: min(640px, 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.monitor-form {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.monitor-form label {
  display: grid;
  gap: 5px;
}

.monitor-form span {
  font-size: 12px;
  color: var(--muted);
}

.monitor-form input,
.monitor-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 10px;
}

.monitor-form .wide {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.settings-panel {
  position: absolute;
  right: 0;
  top: 0;
  z-index: 40;
  width: 290px;
  height: 100%;
  background: var(--panel);
  border-left: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transform: translateX(100%);
  transition: transform 0.2s ease;
  display: flex;
  flex-direction: column;
}

.shell.settings-open .settings-panel {
  transform: translateX(0);
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.settings-header h3 {
  margin: 0;
  font-size: 16px;
}

.settings-body {
  padding: 12px;
  display: grid;
  gap: 10px;
}

.setting-row {
  display: grid;
  gap: 5px;
}

.setting-row span {
  font-size: 12px;
  color: var(--muted);
}

.setting-row select {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  padding: 8px 10px;
}

.primary-btn,
.secondary-btn {
  border-radius: 10px;
  cursor: pointer;
  border: 0;
  padding: 8px 12px;
  font-size: 14px;
}

.primary-btn {
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
  color: #fff;
}

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

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

@media (min-width: 1200px) {
  .drawer { transform: translateX(0); }
  .main { margin-left: 300px; }
  .drawer-backdrop { display: none; }
}

@media (max-width: 900px) {
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .monitor-form {
    grid-template-columns: 1fr;
  }
}