:root {
  --bg: #030507;
  --card: #0a0f13;
  --text: #f2f7fb;
  --muted: #b8c4ce;
  --accent: #5dd8b0;
  --accent-hover: #4bc89f;
  --danger: #ff7676;
  --border: #1e2a33;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #0b1116 0%, #030507 45%, #020304 100%);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.hero-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 14px;
}

.hero-copy {
  min-width: 0;
  flex: 1 1 auto;
}

.hero-logo {
  width: 300px;
  height: 300px;
  object-fit: cover;
  flex: 0 0 300px;
  border-radius: 12px;
  border: 1px solid var(--border);
  float: right;
}

h1 {
  margin-bottom: 8px;
}

.subtitle {
  margin-top: 0;
  color: var(--muted);
}

.subtitle.small {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

form {
  display: grid;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

label {
  font-weight: 600;
}

input[type="password"],
input[type="file"],
input[type="text"] {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #0d141a;
  color: var(--text);
}

input[type="file"]::file-selector-button {
  border: 1px solid #2a3a46;
  border-radius: 8px;
  padding: 8px 10px;
  margin-right: 10px;
  color: var(--text);
  background: #142029;
}

button {
  margin-top: 8px;
  border: none;
  border-radius: 10px;
  padding: 12px 14px;
  color: #07120f;
  background: var(--accent);
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  background: var(--accent-hover);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.status {
  margin-top: 14px;
  min-height: 24px;
  font-weight: 600;
}

.status.error {
  color: var(--danger);
}

.result {
  margin-top: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  background: var(--card);
  border: 1px solid var(--border);
}

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

th {
  background: #121a20;
}

.grand-total {
  margin-top: 12px;
  font-size: 1.1rem;
}

.pdf-actions {
  margin-top: 10px;
  margin-bottom: 6px;
}

.pdf-meta-panel {
  margin-top: 10px;
  display: grid;
  gap: 8px;
  background: #0b1319;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
}

.pdf-meta-panel.hidden {
  display: none;
}

.pdf-meta-panel label {
  font-size: 0.9rem;
  color: var(--muted);
}

.preview-section {
  margin-top: 18px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: var(--muted);
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  border: 1px solid #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.dot.doorprotect {
  background: #1570d8;
}

.dot.motioncam {
  background: #f08c00;
}

.dot.siren {
  background: #d63333;
}

.dot.dualcurtain {
  background: #0f766e;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.preview-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
}

.preview-card h4 {
  margin: 0 0 8px;
}

.preview-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.mini-btn {
  margin: 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.86rem;
  line-height: 1;
  color: #07120f;
  background: var(--accent);
}

.mini-btn:hover {
  background: var(--accent-hover);
}

.mini-btn.danger {
  color: #fff;
  background: #9e2f2f;
}

.mini-btn.danger:hover {
  background: #8a2929;
}

.floorplan-preview {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  min-height: 220px;
}

.floorplan-preview img {
  display: block;
  width: 100%;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.sensor-marker {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.32);
  isolation: isolate;
  cursor: grab;
  touch-action: none;
}

.sensor-marker.dragging {
  cursor: grabbing;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.42);
}

.sensor-marker.selected {
  outline: 2px solid #ffffff;
  outline-offset: 2px;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.45), 0 3px 12px rgba(0, 0, 0, 0.52);
}

.sensor-marker.doorprotect {
  background: #1570d8;
}

.sensor-marker.motioncam {
  background: #f08c00;
}

.sensor-marker.siren {
  background: #d63333;
}

.sensor-marker.dualcurtain {
  background: #0f766e;
}

.sensor-arrow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3px;
  height: 18px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 2px;
  transform-origin: center;
  pointer-events: none;
  z-index: -1;
}

.sensor-arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -5px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 7px solid rgba(0, 0, 0, 0.55);
}

.preview-note {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.manual-hint {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.preview-missing {
  color: var(--muted);
}

@media (max-width: 720px) {
  .hero-row {
    gap: 14px;
  }

  .hero-logo {
    width: 180px;
    height: 180px;
    flex-basis: 180px;
  }

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

  .legend {
    flex-direction: column;
    gap: 8px;
  }
}