@import url('https://fonts.googleapis.com/css2?family=Exo:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #090d13;
  --panel: #0d1320;
  --panel-strong: #111827;
  --line: #1a2d42;
  --text: #e6edf3;
  --muted: #6e7f94;
  --accent: #58a6ff;
  --input-bg: rgba(255,255,255,.04);
  --input-border: #1e2d3d;
  --button-text: #08111b;
  --secondary-bg: rgba(255,255,255,.03);
  --secondary-border: #1e2d3d;
  --table-border: rgba(255,255,255,.06);
  --panel-hdr-border: rgba(255,255,255,.05);
  --mono: 'JetBrains Mono','DejaVu Sans Mono',Consolas,monospace;
  --sans: 'Exo',system-ui,Arial,sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 15px/1.45 var(--sans);
  background: var(--bg);
  color: var(--text);
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 16px 18px;
  background: linear-gradient(160deg,#0d1420 0%,#111827 60%,#0a1628 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
}

h1, h2, p {
  margin-top: 0;
}

h1 {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 1.6rem;
}

.topbar p {
  margin-bottom: 0;
  color: var(--muted);
}

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

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 10px 22px rgba(0,0,0,.12);
  overflow: hidden;
}

.panel header {
  padding: 15px 18px 11px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border-bottom: 1px solid var(--panel-hdr-border);
}

.panel h2 {
  margin: 0;
  font-size: 16px;
}

.panel .body {
  padding: 16px 18px 18px;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.stations-panel,
.activity-panel,
.config-panel,
.settings-panel {
  grid-column: 1 / -1;
}

#login {
  max-width: 540px;
  margin: 48px auto 24px;
}

#login-form {
  display: grid;
  gap: 12px;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 10px 12px;
  align-items: end;
}

.settings-block {
  display: grid;
  gap: 12px;
  padding-bottom: 18px;
}

.settings-block + .settings-block {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.settings-block h3 {
  margin: 0;
  color: var(--accent);
}

.config-form {
  display: grid;
  gap: 18px;
}

.config-sections {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}

fieldset {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.config-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}

.config-section .section-note {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
}

.field {
  display: grid;
  gap: 6px;
}

.field.wide {
  grid-column: 1 / -1;
}

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

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

legend {
  padding: 0 6px;
  color: var(--accent);
  font-weight: 700;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

input[type="checkbox"] {
  width: auto;
}

.settings-form label {
  grid-row: 1;
}

.settings-form input,
.settings-form button {
  grid-row: 2;
}

label {
  display: block;
  font-weight: 600;
  color: var(--muted);
}

input, button {
  font: inherit;
}

input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--button-text);
  font-weight: 600;
  text-decoration: none;
}

button.secondary,
.button.secondary {
  background: var(--secondary-bg);
  border-color: var(--secondary-border);
  color: var(--text);
}

button.small {
  padding: 6px 10px;
  font-size: 0.85rem;
}

.compact-table {
  max-width: 520px;
}

dl {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 8px 12px;
  margin: 0;
}

dt {
  font-weight: 700;
  color: var(--muted);
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.table-wrap {
  overflow-x: auto;
}

.station-map {
  position: relative;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background:
    linear-gradient(rgba(88,166,255,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(88,166,255,.10) 1px, transparent 1px),
    radial-gradient(circle at 30% 25%, rgba(88,166,255,.18), transparent 32%),
    var(--panel-strong);
  background-size: 48px 48px, 48px 48px, auto, auto;
}

.map-empty {
  display: grid;
  place-items: center;
  min-height: 320px;
  color: var(--muted);
}

.map-marker {
  position: absolute;
  transform: translate(-50%, -50%);
  max-width: 120px;
  padding: 4px 7px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: rgba(13,19,32,.92);
  color: var(--text);
  font: 12px/1.2 var(--mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
}

th, td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--table-border);
  text-align: left;
  vertical-align: top;
}

th {
  font-weight: 700;
  color: var(--muted);
}

td {
  overflow-wrap: anywhere;
}

.hidden {
  display: none;
}

.error {
  color: #f85149;
  min-height: 1.4em;
}

.form-message {
  margin: 12px 0 0;
  color: var(--muted);
  min-height: 1.4em;
}

@media (max-width: 620px) {
  .shell {
    padding: 14px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .config-sections,
  .config-section {
    grid-template-columns: 1fr;
  }

  .settings-form label,
  .settings-form input,
  .settings-form button {
    grid-row: auto;
  }
}