/* ─── Construction Camera System — Industrial UI ─────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Barlow+Condensed:wght@400;600;700&display=swap');

:root {
  --bg:           #0a0c0e;
  --bg-panel:     #111418;
  --bg-card:      #181d22;
  --border:       #2a3038;
  --border-hi:    #3d4a55;
  --accent:       #f59e0b;
  --accent-dim:   #92600a;
  --green:        #22c55e;
  --red:          #ef4444;
  --blue:         #38bdf8;
  --text:         #d4dde6;
  --text-muted:   #5a6a78;
  --mono:         'Share Tech Mono', monospace;
  --sans:         'Barlow Condensed', sans-serif;
  --radius:       4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* ─── Layout ─────────────────────────────────────────────────────────────── */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo {
  width: 28px;
  height: 28px;
  fill: var(--accent);
  flex-shrink: 0;
}

.header-title {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.header-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 12px;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
}

/* ─── Video Panel ────────────────────────────────────────────────────────── */
.video-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.video-label {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--border-hi);
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  z-index: 2;
  border-radius: 2px;
}

.video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: #050607;
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12px;
  pointer-events: none;
}

.video-placeholder svg {
  opacity: 0.3;
}

video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
  display: none;
}

video.active {
  display: block;
}

/* ─── Status Bar ─────────────────────────────────────────────────────────── */
.status-bar {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--text-muted);
  transition: background 0.3s;
}

.status {
  font-family: var(--mono);
  font-size: 13px;
  flex: 1;
  color: var(--text-muted);
  transition: color 0.3s;
}

.status--connecting { color: var(--blue); }
.status--connecting ~ .status-indicator { background: var(--blue); box-shadow: 0 0 6px var(--blue); }

.status--connected  { color: var(--text); }
.status--connected  ~ .status-indicator { background: var(--text-muted); }

.status--streaming  { color: var(--green); }
.status--streaming  ~ .status-indicator { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s ease-in-out infinite; }

.status--error      { color: var(--red); }
.status--error      ~ .status-indicator { background: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── Controls ───────────────────────────────────────────────────────────── */
.controls {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 20px;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn:hover:not(:disabled) {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Info Panel ─────────────────────────────────────────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.info-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}

.info-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.info-value {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
}

/* ─── Config Section ─────────────────────────────────────────────────────── */
.config-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

.config-title {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.config-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.config-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.config-input:focus {
  border-color: var(--accent);
}

/* ─── Scan lines overlay ──────────────────────────────────────────────────── */
.video-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.04) 2px,
    rgba(0,0,0,0.04) 4px
  );
  pointer-events: none;
  z-index: 1;
}

/* ─── Corner marks ────────────────────────────────────────────────────────── */
.corner-mark {
  position: absolute;
  width: 14px;
  height: 14px;
  z-index: 3;
  pointer-events: none;
}
.corner-mark--tl { top: 6px;    left: 6px;    border-top: 2px solid var(--accent); border-left:  2px solid var(--accent); }
.corner-mark--tr { top: 6px;    right: 6px;   border-top: 2px solid var(--accent); border-right: 2px solid var(--accent); }
.corner-mark--bl { bottom: 6px; left: 6px;    border-bottom: 2px solid var(--accent); border-left:  2px solid var(--accent); }
.corner-mark--br { bottom: 6px; right: 6px;   border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent); }

/* ─── Home Link ──────────────────────────────────────────────────────────── */
.home-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-decoration: none;
  margin-left: auto;
  transition: color 0.15s;
}

.home-link:hover {
  color: var(--accent);
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .main { padding: 10px; }
  .header { padding: 10px 14px; }
  .header-sub { display: none; }
}