:root,
:root[data-theme="dark"] {
  --bg: #0F1835;
  --sidebar: #162860;
  --sidebar-active: #233C8A;
  --sidebar-inactive: #0F193B;
  --sidebar-border: #000D3B;
  --card: #1A2957;
  --card-layer: #152968;
  --container: #001C48;
  --chip: #1A4893;
  --progress-bg: #222B46;
  --progress-fill: #8194D0;
  --ip-accent: #5072D7;
  --online: #5CFF59;
  --ping: #04FF00;
  --heading: #B9CAFF;
  --text: #FFFFFF;
  --muted: #868686;
  --danger: #ef4444;
  --warn: #f59e0b;
  --ok: #22c55e;
  --surface-glow: radial-gradient(130% 130% at 5% -10%, rgba(79,125,255,.32), rgba(15,24,53,0) 48%),
    radial-gradient(90% 90% at 120% 20%, rgba(56,89,189,.24), rgba(15,24,53,0) 52%);
  --accent: #4F7DFF;
  --accent-ink: #FFFFFF;
}

:root[data-theme="light"] {
  --bg: #EEF4FF;
  --sidebar: #DBE7FF;
  --sidebar-active: #AFC8FF;
  --sidebar-inactive: #C8DBFF;
  --sidebar-border: #8FAEED;
  --card: #FFFFFF;
  --card-layer: #F2F7FF;
  --container: #E6F0FF;
  --chip: #D7E8FF;
  --progress-bg: #C7D8F6;
  --progress-fill: #476CCF;
  --ip-accent: #335BBB;
  --online: #1EA84B;
  --ping: #0B9C2E;
  --heading: #20396B;
  --text: #122447;
  --muted: #4C628C;
  --danger: #be123c;
  --warn: #b45309;
  --ok: #15803d;
  --surface-glow: radial-gradient(130% 130% at 5% -10%, rgba(79,125,255,.16), rgba(238,244,255,0) 54%),
    radial-gradient(90% 90% at 120% 20%, rgba(56,89,189,.12), rgba(238,244,255,0) 60%);
  --accent: #3F68D6;
  --accent-ink: #FFFFFF;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Alexandria", "Geist", sans-serif;
}

body { background-image: var(--surface-glow); }

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 162px 1fr;
}

.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--sidebar-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  padding: 30px 10px;
  text-align: center;
  border-bottom: 1px solid var(--sidebar-border);
  min-height: 96px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
}

.nav-btn {
  height: 60px;
  border: 1px solid var(--sidebar-border);
  background: var(--sidebar-active);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.nav-btn.active { background: var(--sidebar-inactive); }

.logout-btn {
  margin-top: auto;
  text-align: center;
  padding: 16px;
  color: var(--text);
  text-decoration: none;
  border-top: 1px solid var(--sidebar-border);
  background: rgba(0,0,0,.15);
}

.content {
  padding: 18px 24px 24px;
  min-width: 0;
}

.top-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.top-head h1 {
  margin: 0;
  font-size: 56px;
  line-height: 1;
  color: var(--text);
  font-weight: 700;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toolbar button,
.modal-actions button,
.settings-card button,
.reports-toolbar button,
.notif-toolbar button,
.btn-create-peer {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

.page { display: none; }
.page.active {
  display: block;
  animation: fadeUp .2s ease;
}

@keyframes fadeUp {
  from { opacity: .2; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.hero-card {
  border-radius: 30px;
  background: var(--card);
  padding: 16px;
  min-height: 200px;
}

.hero-card h2 {
  margin: 0 0 6px;
  font-size: 56px;
  line-height: 1;
  color: var(--heading);
}

.wg-today {
  font-family: "Geologica", sans-serif;
  font-size: 22px;
  line-height: 1.5;
}

.node-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: 14px;
}

.node-card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 55%, #1A2957 45%) 0%, var(--card) 100%);
  border-radius: 24px;
  padding: 10px;
  box-shadow: 0 8px 20px rgba(0,0,0,.25);
}

.node-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.node-title {
  font-size: 31px;
  font-weight: 800;
}

.node-host {
  color: var(--ip-accent);
  font-size: 15px;
}

.dot-wrap {
  display: flex;
  gap: 6px;
  align-items: center;
  font-family: "Geist", sans-serif;
  font-size: 12px;
  color: var(--ping);
}

.online-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--online);
}

.metric-label {
  font-size: 13px;
  margin-top: 6px;
}

.bar {
  height: 8px;
  border-radius: 6px;
  background: var(--progress-bg);
  overflow: hidden;
}

.bar > span {
  display: block;
  height: 100%;
  background: var(--progress-fill);
  border-radius: inherit;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text);
}

.wg-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
}

.wg-summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(140px, 1fr));
  gap: 10px;
  flex: 1;
}

.summary-chip {
  background: var(--chip);
  border-radius: 14px;
  padding: 10px;
  min-height: 70px;
}

.summary-chip h4 {
  margin: 0;
  font-size: 13px;
  color: var(--text);
}

.summary-chip strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.btn-create-peer {
  background: #005E1E;
  border-radius: 8px;
  min-width: 130px;
  height: 39px;
}

.wg-list-shell {
  margin-top: 14px;
  border-radius: 31px;
  background: var(--container);
  padding: 12px;
}

.wg-peer-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr .9fr .9fr .8fr;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 35%, #00208A 65%);
  margin-bottom: 8px;
}

.peer-name {
  font-size: 32px;
  font-weight: 700;
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.peer-id {
  font-size: 16px;
  color: var(--muted);
}

.peer-node {
  font-size: 32px;
  font-weight: 700;
}

.peer-data {
  font-family: "Geologica", sans-serif;
  font-size: 22px;
}

.peer-expires {
  font-family: "Geologica", sans-serif;
  font-size: 17px;
}

.peer-action {
  display: flex;
  gap: 8px;
  align-items: center;
}

.peer-action select {
  width: 100%;
  border: 0;
  border-radius: 18.5px;
  padding: 8px;
  color: #fff;
  background: #1091A5;
  font-family: "Geologica", sans-serif;
}

.status-pill {
  display: inline-flex;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
}

.status-online { background: color-mix(in srgb, var(--ok) 30%, transparent); color: #b6ffce; }
.status-limited { background: color-mix(in srgb, var(--warn) 35%, transparent); color: #ffdca8; }
.status-expiring { background: color-mix(in srgb, #f97316 35%, transparent); color: #ffd5b2; }
.status-offline,
.status-disabled,
.status-expired { background: color-mix(in srgb, var(--danger) 35%, transparent); color: #ffc2d0; }

.reports-toolbar,
.notif-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}

.reports-toolbar select,
.notif-toolbar select,
.notif-toolbar input,
.settings-card input,
.settings-card select,
.settings-card textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  background: color-mix(in srgb, var(--card-layer) 85%, #000 15%);
  color: var(--text);
  padding: 8px 10px;
}

.reports-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 12px;
}

.reports-list,
.report-view,
.notif-list,
.settings-card,
.health-card {
  background: var(--card-layer);
  border-radius: 18px;
  padding: 12px;
}

.report-item {
  border-radius: 10px;
  padding: 10px;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  margin-bottom: 8px;
  cursor: pointer;
}

.report-item small { color: var(--muted); }

.health-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(320px, 1fr));
  gap: 12px;
}

.port-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.port-table th,
.port-table td {
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  text-align: left;
  padding: 6px;
}

.notif-item {
  border-radius: 12px;
  padding: 10px;
  margin-bottom: 8px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-left: 4px solid var(--accent);
}

.notif-item.unread {
  border-left-color: var(--warn);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(260px, 1fr));
  gap: 12px;
}

.settings-card h3 {
  margin-top: 0;
}

.settings-card label {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
}

.settings-card button {
  margin-top: 8px;
}

.settings-card-wide {
  grid-column: span 2;
}

.node-mini-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.node-mini-table th,
.node-mini-table td {
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  text-align: left;
  padding: 8px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
}

.modal.hidden { display: none; }

.modal-card {
  width: min(920px, 92vw);
  max-height: 90vh;
  overflow: auto;
  border-radius: 16px;
  background: var(--card);
  padding: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 10px;
}

.modal-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
}

.cp-result {
  margin-top: 12px;
  background: var(--container);
  border-radius: 10px;
  padding: 10px;
  white-space: pre-wrap;
  font-size: 12px;
}

.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.login-shell {
  width: min(460px, 92vw);
}

.login-card {
  background: var(--card);
  border-radius: 18px;
  padding: 18px;
}

.login-card h1 {
  margin: 0;
  font-size: 24px;
}

.login-form {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.login-form input {
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  background: var(--card-layer);
  color: var(--text);
  border-radius: 10px;
  padding: 10px;
}

.login-form button {
  border: 0;
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 10px;
  padding: 10px;
  font-weight: 700;
  cursor: pointer;
}

.login-error { margin-top: 10px; color: #ffb5c7; }
.login-pending { margin-top: 10px; color: #b7ffd2; }

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

@media (max-width: 1280px) {
  .hero-grid { grid-template-columns: 1fr; }
  .node-grid { grid-template-columns: repeat(2, minmax(220px, 1fr)); }
  .wg-peer-row { grid-template-columns: 1fr; }
  .reports-grid { grid-template-columns: 1fr; }
  .health-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-card-wide { grid-column: auto; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--sidebar-border);
  }
  .sidebar nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(90px, 1fr));
  }
  .content { padding: 14px; }
  .top-head h1 { font-size: 36px; }
}