:root {
  --bg: #07111a;
  --bg-soft: rgba(13, 25, 37, 0.88);
  --panel: rgba(10, 18, 29, 0.88);
  --border: rgba(120, 176, 208, 0.16);
  --text: #f4f7fb;
  --muted: #9aa9ba;
  --accent: #ff9f5a;
  --signal: #7ae0ff;
  --success: #45db9d;
  --warn: #ffcb68;
  --danger: #ff6b74;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
  font-family: "Space Grotesk", "IBM Plex Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 159, 90, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(122, 224, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #08111a 0%, #05090f 100%);
  color: var(--text);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 32%, transparent 90%);
  pointer-events: none;
}

.shell {
  position: relative;
  max-width: 1540px;
  margin: 0 auto;
  padding: 24px;
}

.masthead {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  padding: 24px 28px;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(8, 18, 29, 0.95), rgba(12, 22, 35, 0.88));
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.masthead h1,
.panel-head h2,
.login-card h2 {
  font-family: "Sora", "Space Grotesk", sans-serif;
  margin: 0;
  letter-spacing: -0.03em;
}

.lede {
  max-width: 72ch;
  color: var(--muted);
  margin: 12px 0 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
}

.badge-stack,
.button-row,
.service-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.78rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.user-card {
  min-width: 180px;
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
}

.user-card span,
.inline-status,
.service-links a,
.muted,
.capture-card span,
.list-item span {
  color: var(--muted);
}

.status-bar {
  margin: 18px 0 0;
  padding: 13px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(6, 14, 22, 0.9);
}

.status-bar[data-tone="success"] {
  border-color: rgba(69, 219, 157, 0.3);
  color: #cbffea;
}

.status-bar[data-tone="error"] {
  border-color: rgba(255, 107, 116, 0.3);
  color: #ffd8dc;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 22px;
}

.panel {
  display: grid;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

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

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

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

.metric-card,
.summary-card {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.metric-card span,
.summary-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
}

.metric-card strong,
.summary-card strong {
  font-size: 1.4rem;
}

.action-button,
.ghost-button,
.capture-card,
.quick-users button {
  border: none;
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.action-button,
.ghost-button,
.quick-users button {
  padding: 11px 16px;
  border-radius: 14px;
  font: inherit;
}

.action-button {
  background: linear-gradient(135deg, var(--accent), #ff6f61);
  color: #10131c;
  font-weight: 700;
}

.ghost-button,
.quick-users button {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ghost-button.tiny {
  padding: 8px 10px;
  font-size: 0.82rem;
}

.action-button:hover,
.ghost-button:hover,
.capture-card:hover,
.quick-users button:hover {
  transform: translateY(-1px);
}

.upload-box,
.stack-form {
  display: grid;
  gap: 10px;
}

.upload-box {
  padding: 16px;
  border-radius: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.02);
}

.upload-box input,
.stack-form input,
.stack-form select,
.stack-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(6, 13, 21, 0.9);
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  font: inherit;
}

.list-stack {
  display: grid;
  gap: 10px;
}

.capture-card,
.list-item {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: left;
}

.capture-card.active {
  border-color: rgba(255, 159, 90, 0.56);
  background: rgba(255, 159, 90, 0.08);
}

.capture-meta {
  display: grid;
  gap: 4px;
  text-align: right;
  font-size: 0.85rem;
}

.graph-surface {
  min-height: 360px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at center, rgba(122, 224, 255, 0.08), transparent 42%),
    rgba(3, 10, 17, 0.95);
  overflow: hidden;
}

.graph-surface svg {
  width: 100%;
  height: 100%;
}

.table-wrap {
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.92rem;
}

th {
  position: sticky;
  top: 0;
  background: rgba(6, 13, 21, 0.98);
}

#wireshark-frame {
  width: 100%;
  min-height: 680px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: #040b11;
}

#sdr-canvas {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #041017;
}

.alert-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}

.alert-card {
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 6px;
}

.alert-card.low {
  background: rgba(69, 219, 157, 0.08);
}

.alert-card.medium {
  background: rgba(255, 203, 104, 0.08);
}

.alert-card.high,
.alert-card.critical {
  background: rgba(255, 107, 116, 0.09);
}

.prose-box {
  border-radius: 18px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  min-height: 140px;
  line-height: 1.6;
}

.subhead {
  margin: 0;
}

.empty-state {
  padding: 24px;
  color: var(--muted);
}

.status-pill.running {
  color: #d7fff1;
  background: rgba(69, 219, 157, 0.1);
}

.status-pill.stopped {
  color: #fff0d5;
  background: rgba(255, 203, 104, 0.08);
}

.login-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(2, 5, 8, 0.72);
  backdrop-filter: blur(18px);
}

.login-modal.hidden {
  display: none;
}

.login-card {
  width: min(440px, calc(100vw - 40px));
  display: grid;
  gap: 14px;
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(145deg, rgba(11, 18, 28, 0.98), rgba(14, 25, 38, 0.92));
  box-shadow: var(--shadow);
}

.quick-users {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .dashboard,
  .metric-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }

  .masthead {
    flex-direction: column;
  }

  #wireshark-frame {
    min-height: 420px;
  }
}