:root {
  --bg: #0d1118;
  --panel: #141b27;
  --panel-2: #1b2433;
  --ink: #e7edf8;
  --muted: #9ba8c2;
  --line: #2a3850;
  --accent: #2fb4ff;
  --accent-2: #ff8f3d;
  --ok: #3ecf8e;
  --warn: #f7b955;
  --bad: #f26464;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: "Space Grotesk", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 18% 12%, #1a2436 0%, #0d1118 45%);
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 0;
}

.admin-shell {
  min-height: 100vh;
  padding: 1.2rem;
  background:
    radial-gradient(circle at 6% 8%, rgba(255, 165, 92, 0.18), transparent 30%),
    radial-gradient(circle at 94% 14%, rgba(58, 189, 255, 0.2), transparent 35%),
    linear-gradient(160deg, #0a1220 0%, #0e1a2d 44%, #111728 100%);
}

.admin-panel {
  width: min(1200px, 98vw);
  margin: 0 auto;
}

.admin-head h1 {
  margin: 0.15rem 0 0.35rem;
  font-size: clamp(1.55rem, 2.5vw, 2.2rem);
  letter-spacing: 0.01em;
}

.admin-grid {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.download-card {
  border: 1px solid color-mix(in srgb, var(--line) 70%, #3f5580);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 30%),
    linear-gradient(180deg, #111b2f 0%, #111a2b 100%);
}

.download-card h3 {
  margin: 0;
}

.progress-wrap {
  margin-top: 0.65rem;
  border: 1px solid color-mix(in srgb, var(--line) 72%, #45608f);
  background: rgba(10, 17, 29, 0.72);
  border-radius: 12px;
  padding: 0.58rem 0.62rem;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.55rem;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  color: #caddff;
}

.progress-bar {
  margin-top: 0.42rem;
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: linear-gradient(90deg, #222f47, #273757);
  border: 1px solid color-mix(in srgb, #2b405f 80%, #5f7faf);
}

.progress-bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ffb258, #ff7c5f 45%, #4cb7ff 100%);
  box-shadow: 0 0 18px rgba(76, 183, 255, 0.35);
  transition: width 0.35s ease;
}

.admin-actions {
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.admin-link {
  color: var(--accent);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
}

.admin-link:hover {
  text-decoration: underline;
}

.admin-dem-map {
  margin-top: 0.6rem;
  height: 260px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

#telemetry-wrap {
  margin-top: 0.85rem;
}

#telemetry-map {
  height: 260px;
  margin-top: 0.55rem;
  margin-bottom: 0.65rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line) 70%, #3f5580);
}

.sidebar {
  height: 100vh;
  overflow: auto;
  padding: 0.9rem;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #131b28 0%, #101722 100%);
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 52%, #7dbdff) color-mix(in srgb, var(--panel-2) 82%, #0e1522);
}

.sidebar::-webkit-scrollbar {
  width: 10px;
}

.sidebar::-webkit-scrollbar-track {
  background: color-mix(in srgb, var(--panel-2) 82%, #0e1522);
  border-radius: 999px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 66%, #88d3ff),
    color-mix(in srgb, var(--accent) 40%, #4da7d8)
  );
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--panel-2) 82%, #0e1522);
}

.sidebar::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--accent) 78%, #a2deff),
    color-mix(in srgb, var(--accent) 48%, #66b8e8)
  );
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0.2rem 0;
  font-size: 2rem;
  line-height: 1.05;
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

.subtle {
  margin: 0.3rem 0 0;
  color: var(--muted);
}

.map-stage {
  position: relative;
  height: 100vh;
}

.map-header {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  right: 0.9rem;
  z-index: 900;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(6px);
}

.map-header h2 {
  margin: 0 0 0.15rem;
}

.map-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
}

.map-style-control {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-family: "IBM Plex Mono", monospace;
  white-space: nowrap;
}

.map-style-control select {
  padding: 0.3rem 0.45rem;
  border-radius: 8px;
}

.map {
  height: 100vh;
  width: 100%;
}

.compute-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1200;
  background: color-mix(in srgb, #09101a 72%, transparent);
  backdrop-filter: blur(2px);
  pointer-events: all;
}

.compute-overlay.active {
  display: flex;
}

.compute-modal {
  margin: 0;
  min-width: min(92vw, 360px);
  text-align: center;
  border-color: color-mix(in srgb, var(--accent) 38%, var(--line));
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.compute-modal h3 {
  margin: 0.15rem 0 0.35rem;
  font-size: 1.12rem;
}

.compute-spinner {
  width: 46px;
  height: 46px;
  margin: 0 auto 0.65rem;
  border-radius: 999px;
  border: 4px solid color-mix(in srgb, var(--accent) 28%, transparent);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.grid {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.span-2 {
  grid-column: 1 / -1;
}

.toggle-inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.toggle-inline input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
}

.expert-field {
  display: none;
}

#calc-form.expert-enabled .expert-field {
  display: grid;
}

.compact-grid {
  margin-top: 0.5rem;
}

label {
  display: grid;
  gap: 0.28rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
select {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--ink);
  border-radius: 9px;
  padding: 0.5rem 0.55rem;
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
  border-color: var(--accent);
}

button {
  border: none;
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  background: linear-gradient(90deg, var(--accent), #6dc8ff);
  color: #0d1118;
  font: 700 0.93rem "Space Grotesk", sans-serif;
  cursor: pointer;
  align-self: end;
}

button:disabled {
  background: linear-gradient(90deg, #6b778f, #7f8ba3);
  color: #d8deea;
  cursor: not-allowed;
  opacity: 0.9;
}

button.secondary-btn {
  background: transparent;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
}

.hidden {
  display: none !important;
}

.notice-error {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0.55rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--bad) 70%, var(--line));
  border-radius: 10px;
  background: color-mix(in srgb, var(--bad) 13%, transparent);
  color: #ffd4d4;
  font-size: 0.83rem;
  font-family: "IBM Plex Mono", monospace;
}

.dem-controls {
  display: flex;
  gap: 0.5rem;
  align-items: end;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.selected-point {
  margin: 0.26rem 0 0;
  font-size: 0.85rem;
  font-family: "IBM Plex Mono", monospace;
  color: #bfd0ed;
}

.coverage-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.55rem;
  color: #d7e3f6;
  font-size: 0.82rem;
}

.coverage-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
}

.legend-swatch {
  width: 1.45rem;
  height: 0.55rem;
  border-radius: 999px;
  display: inline-block;
  box-shadow: 0 0 14px color-mix(in srgb, currentColor 38%, transparent);
}

.legend-strong {
  background: #f15d3e;
}

.legend-good {
  background: #ffd35b;
}

.legend-edge {
  background: #78c95b;
}

.legend-weak {
  background: #20a7b9;
}

.result h3 {
  margin: 0 0 0.4rem;
}

.result-content {
  font-family: "IBM Plex Mono", monospace;
  white-space: pre-wrap;
  font-size: 0.88rem;
}

.table-wrap {
  overflow: auto;
}

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

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.42rem 0.3rem;
  font-size: 0.84rem;
  text-align: left;
}

td.status-ok {
  color: var(--ok);
  font-weight: 700;
}

td.status-borderline {
  color: var(--warn);
  font-weight: 700;
}

td.status-unlikely {
  color: var(--bad);
  font-weight: 700;
}

.app-footer {
  margin: 0.45rem 0.2rem 0.8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.app-footer a {
  color: var(--accent);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    height: auto;
  }

  .map-stage {
    order: 1;
    height: 62vh;
  }

  .map {
    height: 62vh;
  }

  .sidebar {
    order: 2;
    height: auto;
    border-right: none;
    border-top: 1px solid var(--line);
  }

  .map-header {
    top: 0.65rem;
    left: 0.65rem;
    right: 0.65rem;
  }

  .map-header-row {
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
  }

  .compute-modal {
    min-width: min(90vw, 320px);
  }
}