/* ============================================================
   cDNA Lab Console — Bio-laboratory Instrument Display Theme
   Dark background + fluorescent green accents + monospace data
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=DM+Sans:wght@400;500;700&display=swap');

:root {
  --bg: #080e08;
  --bg-panel: #0d160d;
  --border: #1a2e1a;
  --green: #00e676;
  --green-dim: #1b5e20;
  --green-glow: rgba(0, 230, 118, 0.25);
  --text: #b8c7b8;
  --text-dim: #5a6e5a;
  --text-bright: #e0f0e0;
  --red: #ff3d3d;
  --yellow: #ffc107;
  --font-mono: 'Share Tech Mono', 'Courier New', monospace;
  --font-ui: 'DM Sans', 'Segoe UI', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ---- Grain overlay ---- */
.noise-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 999;
  opacity: 0.04;
  background: repeating-conic-gradient(#000 0%, transparent .0002%, #000 .0004%, transparent .0008%);
}

/* ---- Header ---- */
.header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 32px; border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}
.header-left { display: flex; align-items: center; gap: 10px; }
.logo-bracket { color: var(--green); font-size: 1.5rem; font-family: var(--font-mono); opacity: 0.6; }
.logo-text {
  font-family: var(--font-mono); font-size: 1.4rem; font-weight: 400;
  color: var(--text-bright); letter-spacing: 0.15em;
}
.logo-accent { color: var(--green); font-weight: 700; }
.header-right { display: flex; align-items: center; gap: 8px; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green-glow); animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.status-label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-dim); letter-spacing: 0.2em; }

/* ---- Container ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

/* ---- Upload Zone ---- */
.upload-section { margin-bottom: 28px; }
.upload-zone-wrapper { display: flex; flex-direction: column; gap: 16px; }
.upload-zone {
  border: 2px dashed var(--border); border-radius: 8px;
  padding: 48px 24px; text-align: center; cursor: pointer;
  transition: all 0.3s ease; background: var(--bg-panel);
  position: relative;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--green); background: rgba(0,230,118,0.04);
  box-shadow: inset 0 0 40px rgba(0,230,118,0.03);
}
.upload-zone.dragover { border-style: solid; }
.upload-svg { color: var(--green-dim); margin-bottom: 12px; transition: color 0.3s; }
.upload-zone:hover .upload-svg { color: var(--green); }
.upload-text {
  font-family: var(--font-mono); font-size: 1.1rem; color: var(--text-bright);
  letter-spacing: 0.1em; margin-bottom: 6px;
}
.upload-cursor {
  display: inline-block; color: var(--green); animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.upload-sub { font-size: 0.85rem; color: var(--text-dim); }

/* ---- Preview + Button ---- */
.upload-preview { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.upload-preview img {
  max-width: 100%; max-height: 300px; border-radius: 6px;
  border: 1px solid var(--border); object-fit: contain; background: #000;
}
.btn-process {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 32px; border: none; border-radius: 4px;
  background: var(--green-dim); color: var(--green);
  font-family: var(--font-mono); font-size: 0.95rem; letter-spacing: 0.15em;
  cursor: pointer; transition: all 0.25s;
}
.btn-process:hover { background: var(--green); color: #000; }

/* ---- Status Bar ---- */
.status-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 16px; background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 4px; margin-bottom: 24px;
}
.status-track {
  flex: 1; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.status-fill {
  height: 100%; width: 0%; background: var(--green);
  transition: width 0.1s linear;
  box-shadow: 0 0 6px var(--green-glow);
}
.status-text { font-family: var(--font-mono); font-size: 0.8rem; color: var(--green); letter-spacing: 0.15em; }

/* ---- Error ---- */
.error-msg {
  background: rgba(255,61,61,0.1); border: 1px solid var(--red); color: var(--red);
  padding: 12px 18px; border-radius: 4px; margin-bottom: 20px;
  font-family: var(--font-mono); font-size: 0.85rem;
}

/* ---- Stats Panel ---- */
.stats-panel {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px;
}
.stat-card {
  flex: 1; min-width: 140px; padding: 16px 20px;
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 4px;
  text-align: center; transition: border-color 0.3s;
}
.stat-card:hover { border-color: var(--green-dim); }
.stat-card.spot { border-color: var(--green-dim); background: rgba(0,230,118,0.04); }
.stat-label {
  display: block; font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--text-dim); letter-spacing: 0.2em; margin-bottom: 6px;
}
.stat-value {
  display: block; font-family: var(--font-mono); font-size: 1.5rem;
  color: var(--green); font-weight: 400;
}
.stat-card.spot .stat-value { font-size: 2rem; }

/* ---- Gallery ---- */
.gallery { margin-bottom: 40px; }
.gallery-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
}
.gallery-title {
  font-family: var(--font-mono); font-size: 1.1rem; font-weight: 400;
  color: var(--text-bright); letter-spacing: 0.2em;
}
.btn-dl-all {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 20px; border: 1px solid var(--green-dim); border-radius: 4px;
  background: transparent; color: var(--green);
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.1em;
  cursor: pointer; transition: all 0.25s;
}
.btn-dl-all:hover { background: var(--green-dim); }
.btn-dl-all span { font-size: 1rem; }

.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
@media (max-width: 800px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-card { border-radius: 4px; overflow: hidden; background: var(--bg-panel); border: 1px solid var(--border); }
.gallery-card-inner {
  aspect-ratio: 1; overflow: hidden; display: flex; align-items: center; justify-content: center;
  background: #000; cursor: pointer;
}
.gallery-card-inner img {
  width: 100%; height: 100%; object-fit: contain;
  transition: transform 0.3s ease;
}
.gallery-card-inner:hover img { transform: scale(1.05); }
.gallery-card-label {
  padding: 8px 12px; font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--text-dim); letter-spacing: 0.1em; text-align: center;
  border-top: 1px solid var(--border);
}

/* ---- Lightbox ---- */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.92); flex-direction: column; align-items: center; justify-content: center;
}
.lightbox img { max-width: 90vw; max-height: 85vh; object-fit: contain; border: 1px solid var(--border); background: #000; }
.lightbox-close {
  position: absolute; top: 20px; right: 30px;
  font-size: 2rem; color: var(--text-dim); cursor: pointer; transition: color 0.2s;
}
.lightbox-close:hover { color: var(--text-bright); }
.lightbox-dl {
  margin-top: 16px; padding: 10px 24px; border: 1px solid var(--green); border-radius: 4px;
  color: var(--green); text-decoration: none; font-family: var(--font-mono); font-size: 0.9rem;
  transition: all 0.25s;
}
.lightbox-dl:hover { background: var(--green); color: #000; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }