/* ── Sternal Tray Manager ── */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Barlow+Condensed:wght@300;400;600;700&display=swap');

:root {
  --stm-bg:       #0a0c0f;
  --stm-panel:    #111418;
  --stm-border:   #1e2530;
  --stm-gold:     #c8922a;
  --stm-gold-l:   #e8b84b;
  --stm-silver:   #8a9bb0;
  --stm-silver-l: #b0c4d8;
  --stm-accent:   #2a7fc8;
  --stm-bright:   #4ab0ff;
  --stm-danger:   #e84b4b;
  --stm-success:  #4be84b;
  --stm-text:     #d0dce8;
  --stm-dim:      #5a6a7a;
  --stm-white:    #ffffff;
}

#stm-app * { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Barlow Condensed', sans-serif; }

#stm-app {
  background: var(--stm-bg);
  color: var(--stm-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

/* ── TOP BAR ── */
.stm-topbar {
  background: var(--stm-panel);
  border-bottom: 1px solid var(--stm-border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 90;
}

.stm-topbar h1 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 15px;
  letter-spacing: 2px;
  color: var(--stm-white);
  text-transform: uppercase;
}

.stm-topbar .stm-sub {
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--stm-dim);
  text-transform: uppercase;
}

.stm-mode-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.stm-tab {
  padding: 6px 12px;
  border: 1px solid var(--stm-border);
  background: transparent;
  color: var(--stm-dim);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  letter-spacing: 1px;
  cursor: pointer;
  text-transform: uppercase;
  border-radius: 3px;
  transition: all 0.15s;
}
.stm-tab:hover { border-color: var(--stm-accent); color: var(--stm-bright); }
.stm-tab.active { background: var(--stm-accent); border-color: var(--stm-accent); color: white; }

/* ── TRAY SCAN BANNER ── */
.stm-tray-banner {
  background: #0d1520;
  border-bottom: 1px solid var(--stm-border);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stm-tray-id {
  font-family: 'Share Tech Mono', monospace;
  font-size: 14px;
  color: var(--stm-bright);
  flex: 1;
  min-width: 140px;
}

.stm-scan-tray-btn, .stm-btn {
  padding: 7px 14px;
  border: 1px solid var(--stm-accent);
  background: transparent;
  color: var(--stm-bright);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
  white-space: nowrap;
}
.stm-scan-tray-btn:hover, .stm-btn:hover { background: var(--stm-accent); color: white; }
.stm-btn-success { border-color: var(--stm-success); color: var(--stm-success); }
.stm-btn-success:hover { background: var(--stm-success); color: #000; }
.stm-btn-danger  { border-color: var(--stm-danger); color: var(--stm-danger); }
.stm-btn-danger:hover  { background: var(--stm-danger); color: white; }

/* ── MAIN LAYOUT ── */
.stm-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

@media (max-width: 768px) {
  .stm-main { flex-direction: column; }
  .stm-right { width: 100% !important; border-left: none !important; border-top: 1px solid var(--stm-border); }
}

/* ── TRAY PANEL ── */
.stm-tray-panel {
  flex: 1;
  padding: 12px;
  overflow-y: auto;
  background: #0d1117;
}

.stm-section-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--stm-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stm-tray-box {
  background: #131820;
  border: 2px solid #1a2030;
  border-radius: 8px;
  padding: 12px;
}

.stm-tray-title {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--stm-dim);
  text-align: right;
  margin-bottom: 10px;
}

/* ── LEGEND ── */
.stm-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.stm-legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--stm-dim);
}
.stm-legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 1.5px solid;
}

/* ── INSTRUMENTS ── */
.stm-instruments { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.stm-instrument {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border: 1px solid var(--stm-border);
  border-radius: 4px;
  cursor: pointer;
  background: #0d1117;
  transition: all 0.15s;
}
.stm-instrument:hover { border-color: var(--stm-accent); }
.stm-instrument.used  { border-color: var(--stm-danger); background: #1a0d0d; }
.stm-instrument.sel   { border-color: var(--stm-bright); background: #0d1a2a; box-shadow: 0 0 6px var(--stm-bright); }
.stm-inst-rod {
  width: 70px; height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, #556, #99b, #556);
  border: 1px solid var(--stm-silver);
}
.stm-inst-name { font-family: 'Share Tech Mono', monospace; font-size: 10px; color: var(--stm-text); }

/* ── SCREW GRIDS ── */
.stm-grids-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.stm-grid-wrap { display: flex; flex-direction: column; gap: 4px; }
.stm-grid-lbl {
  font-family: 'Share Tech Mono', monospace;
  font-size: 9px; letter-spacing: 1px;
  color: var(--stm-dim); text-align: center;
}
.stm-screw-grid {
  display: grid;
  gap: 3px;
  padding: 6px;
  background: #0a0d12;
  border: 1px solid var(--stm-border);
  border-radius: 4px;
}
.stm-screw {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 1.5px solid;
  cursor: pointer;
  transition: all 0.12s;
  position: relative;
}
.stm-screw:hover { transform: scale(1.3); z-index: 5; }
.stm-screw.gold   { border-color: var(--stm-gold); background: radial-gradient(circle at 35% 35%, var(--stm-gold-l), var(--stm-gold), #7a5510); }
.stm-screw.silver { border-color: var(--stm-silver); background: radial-gradient(circle at 35% 35%, var(--stm-silver-l), var(--stm-silver), #3a4a5a); }
.stm-screw.empty  { background: #0a0d12; border-color: #1a2535; border-style: dashed; }
.stm-screw.used   { background: rgba(232,75,75,0.35); border-color: var(--stm-danger); border-style: solid; }
.stm-screw.sel    { background: rgba(42,127,200,0.45); border-color: var(--stm-bright); box-shadow: 0 0 5px var(--stm-bright); }
.stm-screw.restocked { background: rgba(75,232,75,0.35); border-color: var(--stm-success); box-shadow: 0 0 5px var(--stm-success); }

/* ── PLATES ── */
.stm-plates-section { display: flex; flex-wrap: wrap; gap: 10px; }
.stm-plate-wrap { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.stm-plate-name { font-family: 'Share Tech Mono', monospace; font-size: 8px; color: var(--stm-dim); text-align: center; }
.stm-plate {
  background: linear-gradient(145deg, var(--stm-gold-l), var(--stm-gold), #a07820);
  border: 1.5px solid var(--stm-gold);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px;
  min-width: 36px;
}
.stm-plate:hover { filter: brightness(1.2); transform: scale(1.04); }
.stm-plate.used  { background: linear-gradient(145deg,#5a1a1a,#3a0d0d); border-color: var(--stm-danger); }
.stm-plate.sel   { background: linear-gradient(145deg,#1a3a5a,#0d2a4a); border-color: var(--stm-bright); box-shadow: 0 0 8px var(--stm-bright); }
.stm-plate.restocked { background: linear-gradient(145deg,#1a5a1a,#0d3a0d); border-color: var(--stm-success); box-shadow: 0 0 8px var(--stm-success); }
.stm-plate-row { display: flex; gap: 3px; }
.stm-plate-hole { width: 8px; height: 8px; border-radius: 50%; background: #0a0c0f; border: 1px solid #7a5510; }

/* ── RIGHT PANEL ── */
.stm-right {
  width: 320px;
  background: var(--stm-panel);
  border-left: 1px solid var(--stm-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.stm-panel-tabs { display: flex; border-bottom: 1px solid var(--stm-border); }
.stm-panel-tab {
  flex: 1;
  padding: 9px 4px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--stm-dim);
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.stm-panel-tab:hover { color: var(--stm-text); }
.stm-panel-tab.active { color: var(--stm-bright); border-bottom-color: var(--stm-bright); }
.stm-panel-body { flex: 1; overflow-y: auto; padding: 12px; }
.stm-panel-section { display: none; }
.stm-panel-section.active { display: block; }

/* ── FORM ELEMENTS ── */
.stm-field { margin-bottom: 10px; }
.stm-field label {
  display: block;
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--stm-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.stm-input {
  width: 100%;
  background: #060810;
  border: 1px solid var(--stm-border);
  color: var(--stm-text);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 7px 8px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}
.stm-input:focus { border-color: var(--stm-accent); }
.stm-input.accent { color: var(--stm-bright); }

.stm-card {
  background: #0a0d12;
  border: 1px solid var(--stm-border);
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
}
.stm-card-title {
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--stm-dim);
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ── SCAN CAMERA ── */
.stm-camera-wrap {
  position: relative;
  width: 100%;
  background: #000;
  border: 1px solid var(--stm-border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
  display: none;
}
.stm-camera-wrap.active { display: block; }
.stm-camera-wrap video { width: 100%; display: block; }
.stm-camera-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.stm-scan-frame {
  width: 65%;
  aspect-ratio: 1;
  border: 2px solid var(--stm-bright);
  border-radius: 4px;
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.45);
  position: relative;
}
.stm-scan-frame::before, .stm-scan-frame::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border-color: var(--stm-bright);
  border-style: solid;
}
.stm-scan-frame::before { top: -2px; left: -2px; border-width: 3px 0 0 3px; }
.stm-scan-frame::after  { bottom: -2px; right: -2px; border-width: 0 3px 3px 0; }
.stm-scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--stm-bright);
  animation: stm-scan 2s linear infinite;
  box-shadow: 0 0 6px var(--stm-bright);
}
@keyframes stm-scan { 0%{top:0} 100%{top:100%} }

/* ── LOG ENTRIES ── */
.stm-log-entry {
  background: #0a0d12;
  border: 1px solid var(--stm-border);
  border-left: 3px solid var(--stm-accent);
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 6px;
  font-family: 'Share Tech Mono', monospace;
}
.stm-log-entry.plate { border-left-color: var(--stm-gold); }
.stm-log-entry.restock { border-left-color: var(--stm-success); }
.stm-log-type { font-size: 9px; letter-spacing: 1px; text-transform: uppercase; color: var(--stm-bright); margin-bottom: 3px; }
.stm-log-id   { font-size: 12px; color: var(--stm-white); margin-bottom: 2px; }
.stm-log-meta { font-size: 10px; color: var(--stm-dim); line-height: 1.5; }

/* ── STATUS BAR ── */
.stm-statusbar {
  background: #060810;
  border-top: 1px solid var(--stm-border);
  padding: 5px 14px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--stm-dim);
}
.stm-statusbar span { color: var(--stm-text); }

/* ── MODAL ── */
.stm-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.stm-modal-overlay.open { display: flex; }
.stm-modal {
  background: var(--stm-panel);
  border: 1px solid var(--stm-border);
  border-top: 3px solid var(--stm-accent);
  border-radius: 8px;
  width: 100%;
  max-width: 380px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 18px;
}
.stm-modal h3 {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--stm-white);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.stm-modal-actions { display: flex; gap: 8px; margin-top: 14px; }
.stm-modal-actions button { flex: 1; padding: 10px; border: none; font-family: 'Barlow Condensed', sans-serif; font-size: 14px; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; border-radius: 4px; }
.stm-confirm { background: var(--stm-accent); color: white; }
.stm-cancel  { background: #2a3040; color: var(--stm-text); }

/* ── EMPTY STATE ── */
.stm-empty { text-align: center; color: var(--stm-dim); font-size: 11px; letter-spacing: 1px; padding: 24px 0; text-transform: uppercase; }

/* ── EXPORT BTN ── */
.stm-export {
  width: 100%;
  padding: 9px;
  background: #1a2a3a;
  border: 1px solid var(--stm-accent);
  color: var(--stm-bright);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 4px;
  margin-top: 6px;
  transition: all 0.15s;
}
.stm-export:hover { background: var(--stm-accent); color: white; }

/* ── QR ADMIN ── */
#stm-qr-box { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 12px; }
#stm-qr-box canvas, #stm-qr-box img { border: 4px solid white; border-radius: 4px; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--stm-bg); }
::-webkit-scrollbar-thumb { background: var(--stm-border); border-radius: 2px; }