/* FS Assistant — shared aviation-instrument dark theme */

:root {
  --bg: #0e1116;
  --bg-panel: #151a21;
  --bg-panel-raised: #1b222b;
  --border: #262e38;
  --text: #d7e0e8;
  --text-dim: #8a97a6;
  --green: #3ddc84;
  --green-dim: #2a9a5c;
  --amber: #e8a33d;
  --red: #e8543d;
  --mono: 'SF Mono', 'Roboto Mono', 'Consolas', monospace;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100%;
}

body {
  background-image:
    radial-gradient(circle at 20% 0%, rgba(61, 220, 132, 0.05), transparent 40%),
    radial-gradient(circle at 80% 100%, rgba(232, 163, 61, 0.04), transparent 40%);
}

a {
  color: var(--green);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

code, .mono, .value, .numeral {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}
.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.site-nav a {
  color: var(--text-dim);
  margin-left: 24px;
  font-size: 0.9rem;
}
.site-nav a:hover {
  color: var(--text);
}

/* Hero */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.hero .accent {
  color: var(--green);
}
.hero p.lead {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 620px;
  margin: 0 auto 32px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-panel-raised);
  color: var(--text);
  cursor: pointer;
  font-size: 0.95rem;
  font-family: var(--sans);
  transition: border-color 0.15s, transform 0.1s;
}
.btn:hover {
  border-color: var(--green-dim);
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #06130c;
  font-weight: 600;
}
.btn-primary:hover {
  background: #4ee893;
  border-color: #4ee893;
}
.btn-danger {
  border-color: var(--red);
  color: var(--red);
}
.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Feature cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 48px 0;
}
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card h3 {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 1.05rem;
}
.card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
}

/* Probe / install panel */
.probe {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin: 32px 0;
  text-align: center;
}
.probe .status-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text-dim);
}
.led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
}
.led.on {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.led.off {
  background: var(--red);
  box-shadow: 0 0 8px var(--red);
}

.install-steps {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin: 24px 0;
}
.install-steps ol {
  padding-left: 20px;
  line-height: 1.9;
}
.install-steps pre {
  background: #05070a;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--green);
}
.note {
  color: var(--text-dim);
  font-size: 0.85rem;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-align: center;
  margin-top: 64px;
}

/* ---------------- Dashboard-specific ---------------- */

.dash-shell {
  display: flex;
  min-height: 100vh;
}

.dash-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
}
.dash-sidebar .brand {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}
.tab-btn {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 12px 20px;
  font-size: 0.92rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  font-family: var(--sans);
}
.tab-btn:hover {
  color: var(--text);
  background: var(--bg-panel-raised);
}
.tab-btn.active {
  color: var(--green);
  border-left-color: var(--green);
  background: var(--bg-panel-raised);
}
.sidebar-footer {
  margin-top: auto;
  padding: 12px 20px;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.dash-main {
  flex: 1;
  padding: 28px 32px;
  max-width: 980px;
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.panel-header h2 {
  margin: 0;
  font-size: 1.3rem;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat-card .label {
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.stat-card .value {
  font-size: 1.3rem;
  font-weight: 600;
}
.stat-card.crit .value { color: var(--red); }
.stat-card.warn .value { color: var(--amber); }
.stat-card.ok .value { color: var(--green); }

.fix-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fix-row {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.fix-row .fix-main {
  flex: 1;
}
.fix-row .fix-title {
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}
.fix-row .fix-why {
  color: var(--text-dim);
  font-size: 0.87rem;
  line-height: 1.5;
}
.fix-row .fix-detail {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 6px;
}
.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.chip.ok { background: rgba(61, 220, 132, 0.15); color: var(--green); }
.chip.warn { background: rgba(232, 163, 61, 0.15); color: var(--amber); }
.chip.crit { background: rgba(232, 84, 61, 0.15); color: var(--red); }
.chip.unknown { background: rgba(138, 151, 166, 0.15); color: var(--text-dim); }
.fix-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.addon-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.addon-col {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.addon-col h4 {
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
}
.addon-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.addon-item:last-child { border-bottom: none; }
.addon-item.dupe { color: var(--amber); }

.chat-window {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 420px;
  overflow-y: auto;
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-msg {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
  white-space: pre-wrap;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--green-dim);
  color: #06130c;
}
.chat-msg.assistant {
  align-self: flex-start;
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
}
.chat-input-row {
  display: flex;
  gap: 8px;
}
.chat-input-row input {
  flex: 1;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--text);
  font-size: 0.92rem;
  font-family: var(--sans);
}
.chat-input-row input:focus {
  outline: none;
  border-color: var(--green-dim);
}

.remote-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
#qr-canvas {
  background: #fff;
  padding: 10px;
  border-radius: 6px;
  margin: 16px auto;
  display: block;
}
.url-display {
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--green);
  word-break: break-all;
  background: #05070a;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  margin: 12px 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal-box {
  background: var(--bg-panel-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow);
}
.modal-box h3 {
  margin-top: 0;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.settings-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 340px;
  background: var(--bg-panel-raised);
  border-left: 1px solid var(--border);
  padding: 24px;
  transform: translateX(100%);
  transition: transform 0.2s ease;
  z-index: 90;
}
.settings-drawer.open {
  transform: translateX(0);
}
.settings-drawer label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin: 14px 0 6px;
}
.settings-drawer input {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
}

.no-data-banner {
  background: rgba(232, 163, 61, 0.1);
  border: 1px solid var(--amber);
  color: var(--amber);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.85rem;
  margin-bottom: 20px;
}

@media (max-width: 760px) {
  .dash-shell {
    flex-direction: column;
  }
  .dash-sidebar {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    padding: 10px;
  }
  .dash-sidebar .brand { display: none; }
  .sidebar-footer { display: none; }
  .tab-btn {
    flex-shrink: 0;
    border-left: none;
    border-bottom: 3px solid transparent;
  }
  .tab-btn.active {
    border-left: none;
    border-bottom-color: var(--green);
  }
  .addon-columns { grid-template-columns: 1fr; }
  .settings-drawer { width: 100%; }
}