@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  color-scheme: dark;

  /* Grafana-inspired palette */
  --bg: #0b0c0e;
  --bg-elevated: #111217;
  --panel: #181b1f;
  --panel-hover: #1f2428;
  --border: rgba(204, 204, 220, 0.12);
  --border-strong: rgba(204, 204, 220, 0.2);

  --text: #ccccdc;
  --text-heading: #e8e8f2;
  --text-secondary: #8e8ea0;
  --text-muted: #6e6e7a;

  --orange: #ff9830;
  --orange-bright: #ffb357;
  --orange-dim: rgba(255, 152, 48, 0.16);
  --orange-glow: rgba(255, 152, 48, 0.35);

  --gray-series: #7b7b8e;
  --gray-series-dim: rgba(123, 123, 142, 0.2);

  --error: #f2495c;
  --success: #73bf69;

  --radius: 2px;
  --font-ui: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", monospace;

  --topbar-h: 52px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 14px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Top bar ───────────────────────────────────────────── */

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  min-height: var(--topbar-h);
  padding: 0 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--orange) 0%, #e55b00 100%);
  box-shadow: 0 0 12px var(--orange-dim);
  flex-shrink: 0;
}

.brand h1 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-heading);
}

.brand-sub {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-end;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.field-label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

select,
input[type="password"],
input[type="text"] {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.4rem 2rem 0.4rem 0.65rem;
  min-width: 10rem;
  height: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238e8ea0' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.55rem center;
}

input[type="password"],
input[type="text"] {
  background-image: none;
  padding-right: 0.65rem;
  min-width: 14rem;
}

select:hover,
input:hover {
  border-color: var(--border-strong);
}

select:focus,
input:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 2px var(--orange-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  height: 32px;
  padding: 0 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover {
  background: var(--panel-hover);
  border-color: var(--border-strong);
}

.btn-primary {
  background: var(--orange-dim);
  border-color: var(--orange);
  color: var(--orange-bright);
}

.btn-primary:hover {
  background: rgba(255, 152, 48, 0.24);
  border-color: var(--orange-bright);
}

.btn svg {
  width: 14px;
  height: 14px;
  opacity: 0.85;
}

/* ── Dashboard grid ────────────────────────────────────── */

.dashboard {
  display: grid;
  gap: 8px;
  padding: 8px;
  max-width: 1440px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

.panel-title {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-heading);
}

.panel-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.panel-desc {
  margin: 0;
  padding: 0.55rem 0.85rem;
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.08);
}

.panel-desc code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--orange-bright);
  background: var(--orange-dim);
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius);
}

.panel-desc strong {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text);
}

.panel-body {
  padding: 0.65rem 0.85rem 0.85rem;
}

.chart-panel .panel-body {
  height: 260px;
  position: relative;
}

.chart-panel canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ── Table ─────────────────────────────────────────────── */

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

thead th {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-heading);
  text-align: left;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.12);
  white-space: nowrap;
}

tbody td {
  padding: 0.4rem 0.65rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

tbody tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

tbody tr:last-child td {
  border-bottom: none;
}

td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ── Status bar ────────────────────────────────────────── */

.statusbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.statusbar::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gray-series);
  flex-shrink: 0;
}

.statusbar.live::before {
  background: var(--success);
  box-shadow: 0 0 6px rgba(115, 191, 105, 0.5);
}

.statusbar.error::before {
  background: var(--error);
}

/* ── Login ─────────────────────────────────────────────── */

.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 152, 48, 0.08), transparent),
    var(--bg);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.login-card-header {
  padding: 1.25rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
}

.login-card-header h1 {
  margin: 0.35rem 0 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.login-card-body {
  padding: 1.25rem 1.5rem 1.5rem;
}

.login-card-body p {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-form .field input {
  width: 100%;
  min-width: 0;
}

.login-form .btn-primary {
  width: 100%;
  height: 36px;
  margin-top: 0.25rem;
}

.error {
  margin: 0;
  font-size: 0.8rem;
  color: var(--error);
  font-family: var(--font-mono);
}

.muted {
  color: var(--text-muted);
}

/* ── Responsive ────────────────────────────────────────── */

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

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

@media (max-width: 600px) {
  .topbar {
    padding: 0.75rem 1rem;
  }

  .toolbar {
    width: 100%;
  }

  .field {
    flex: 1;
    min-width: 0;
  }

  select {
    width: 100%;
    min-width: 0;
  }
}