/* ============================================
   RCG SCAN — Shop-floor styles
   Dark industrial aesthetic, blue accent.
   Designed for iPad + phone use on the floor.
   ============================================ */

:root {
  --bg:         #0a0a0a;
  --bg-elev:    #141414;
  --bg-elev-2:  #1c1c1c;
  --line:       #2a2a2a;
  --line-strong:#3a3a3a;
  --text:       #f5f5f0;
  --text-dim:   #9a9a92;
  --text-faint: #5a5a52;
  --accent:     #3b82f6;
  --accent-dim: #2563eb;
  --accent-glow:rgba(59, 130, 246, 0.15);
  --ok:         #4ade80;
  --warn:       #fbbf24;
  --err:        #ef4444;
  --mono:       "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:       "Inter Tight", -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

body {
  background-image:
    radial-gradient(ellipse at top, rgba(59, 130, 246, 0.04) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent 0px, transparent 39px, rgba(255, 255, 255, 0.015) 40px);
  display: flex;
  flex-direction: column;
}

/* Scanline texture */
.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.01) 0px,
    rgba(255, 255, 255, 0.01) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 1000;
}

/* ============ TOP BAR ============ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  background: var(--accent);
  transform: rotate(45deg);
  border-radius: 3px;
  flex-shrink: 0;
}

.brand-name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--text);
}

.station-badge {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  background: var(--accent-glow);
  border: 1px solid var(--accent);
  border-radius: 100px;
  color: var(--accent);
  text-transform: uppercase;
}

/* ============ MAIN ============ */
main {
  flex: 1;
  padding: 24px 20px 120px;
  max-width: 700px;
  width: 100%;
  margin: 0 auto;
}

.view { animation: fadeUp 0.25s ease-out; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ CARDS ============ */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.card-accent::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  padding: 0 24px;
  border: none;
  border-radius: 5px;
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 0.08s ease, background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
  width: 100%;
  text-align: center;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.btn-primary:hover { background: var(--accent-dim); }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger {
  background: transparent;
  color: var(--err);
  border: 1px solid rgba(239, 68, 68, 0.4);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.08); }

.btn-ok {
  background: var(--ok);
  color: #0a0a0a;
  font-weight: 700;
}
.btn-ok:hover { background: #22c55e; }

.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 14px;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ============ FORM INPUTS ============ */
input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 16px;
  padding: 12px 14px;
  min-height: 50px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.field { margin-bottom: 16px; }

/* ============ LOADER ============ */
.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
}

.loader-bars { display: flex; gap: 6px; margin-bottom: 20px; }
.loader-bars span {
  width: 6px; height: 32px;
  background: var(--accent);
  animation: loaderBar 1.2s ease-in-out infinite;
}
.loader-bars span:nth-child(2) { animation-delay: 0.15s; }
.loader-bars span:nth-child(3) { animation-delay: 0.3s; }

@keyframes loaderBar {
  0%, 40%, 100% { transform: scaleY(0.3); opacity: 0.4; }
  20%           { transform: scaleY(1);   opacity: 1; }
}

.loader-text {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============ EMPTY / ERROR STATES ============ */
.empty-state, .error-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 48px 28px;
  text-align: center;
  margin-top: 40px;
}

.empty-mark {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 16px;
  line-height: 1;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.5;
  margin: 0 0 20px;
}

/* ============ STATION PICKER ============ */
.station-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.station-btn {
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  padding: 22px 16px;
  color: var(--text);
  font-family: var(--sans);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.station-btn:hover {
  border-color: var(--accent);
  background: var(--bg-elev-2);
}

.station-btn:active { transform: scale(0.97); }

.station-btn .stn-code {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.station-btn .stn-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
}

/* ============ TASK QUEUE ROWS ============ */
.task-row {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 16px 18px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all 0.12s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.task-row:hover  { border-color: var(--accent); background: var(--bg-elev-2); }
.task-row:active { transform: scale(0.995); }

.task-row.in-progress { border-left: 3px solid var(--accent); }
.task-row.blocked     { border-left: 3px solid var(--warn); }

.task-row-left { flex: 1; min-width: 0; }

.task-wo {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-customer {
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-action {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 4px;
}

.task-row-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.task-meta-pill {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  background: var(--line);
  color: var(--text-dim);
  white-space: nowrap;
}

.task-due-pill {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
}

.due-overdue { background: rgba(239,68,68,0.2);   color: #ef4444; }
.due-urgent  { background: rgba(239,68,68,0.12);  color: #f87171; }
.due-warn    { background: rgba(251,191,36,0.15);  color: #fbbf24; }
.due-ok      { background: rgba(74,222,128,0.08);  color: #86efac; }

/* ============ BANNERS ============ */
.banner {
  padding: 14px 18px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.4;
}

.banner-warn {
  background: rgba(251,191,36,0.1);
  border: 1px solid rgba(251,191,36,0.35);
  color: var(--warn);
}

.banner-err {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--err);
}

.banner-ok {
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.25);
  color: var(--ok);
}

.banner-info {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--accent);
}

.banner-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.banner-body { flex: 1; }
.banner-body strong { display: block; margin-bottom: 4px; }

/* ============ PANE ROW IN TASK ============ */
.pane-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.pane-row:last-child { border-bottom: none; }

.pane-row input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-height: unset;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.pane-row-info { flex: 1; min-width: 0; }
.pane-serial {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.pane-specs {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.pane-row-done { opacity: 0.4; }
.pane-row-done .pane-serial { text-decoration: line-through; }

/* ============ SECTION HEADERS ============ */
.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}

/* ============ FACTS GRID ============ */
.facts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.fact {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 12px 14px;
}

.fact-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.fact-value {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.fact-value.accent { color: var(--accent); }

/* ============ ROUTE DISPLAY ============ */
.route-display {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.route-step {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 5px 10px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
}

.route-step.current {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent);
}

.route-step.done {
  opacity: 0.4;
  text-decoration: line-through;
}

.route-arrow {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
}

/* ============ MODAL OVERLAY ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9000;
  display: flex;
  align-items: flex-end;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-sheet {
  background: var(--bg-elev);
  border: 1px solid var(--line-strong);
  border-radius: 10px 10px 6px 6px;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  padding: 28px 24px 36px;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 20px;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

/* ============ BOTTOM BAR ============ */
.bottombar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 12px 20px;
  background: var(--bg);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  z-index: 10;
}

#operator-label { cursor: pointer; text-transform: uppercase; letter-spacing: 0.1em; }
#operator-label:hover, #operator-label.prompt { color: var(--accent); }

/* ============ ACTION BUTTONS (large, for task detail) ============ */
.action-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}

.action-group-row {
  display: flex;
  gap: 10px;
}

.action-group-row .btn { flex: 1; }

/* ============ RESPONSIVE ============ */
@media (min-width: 560px) {
  .facts-grid { grid-template-columns: repeat(3, 1fr); }
  .station-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 380px) {
  h1 { font-size: 20px; }
  main { padding: 20px 16px 120px; }
  .station-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============ TASK TOOLBAR ============ */
.task-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.back-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

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