/* ============================================================
   RE Paintshop Digital Twin — global shell styles
   Dark gold theme matching dashboard mockups
   ============================================================ */

:root {
  --gold:       #f0b429;
  --gold-dim:   #a07a1a;
  --nav-bg:     #0d1014;
  --nav-border: #1e2530;
  --nav-width:  220px;
  --content-bg: #141820;
  --panel-bg:   #1a2028;
  --panel-border:#242e3a;
  --text:       #e2e8f0;
  --text-dim:   #8899aa;
  --text-muted: #4a5a6a;
  --danger:     #e05252;
  --success:    #3dd68c;
  --warning:    #f0b429;
  --shadow:     0 4px 24px rgba(0,0,0,0.5);
  --radius:     8px;
  font-family: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--content-bg); color: var(--text); overflow: hidden; }
button, input, select, textarea { font-family: inherit; }

/* ── App shell layout ──────────────────────────────────────── */
#appshell {
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ── Left nav ──────────────────────────────────────────────── */
#appnav {
  width: var(--nav-width);
  flex: none;
  background: var(--nav-bg);
  border-right: 1px solid var(--nav-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 14px 16px;
  border-bottom: 1px solid var(--nav-border);
  flex: none;
}
.nav-logo-icon {
  width: 34px; height: 34px;
  background: var(--gold);
  color: #0d1014;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; letter-spacing: 0.05em;
  flex: none;
}
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-title { font-size: 13px; font-weight: 600; color: var(--text); line-height: 1.2; }
.nav-logo-sub   { font-size: 10px; color: var(--text-dim); line-height: 1.3; }
.nav-logo-powered { font-size: 8.5px; color: var(--gold); opacity: 0.72; letter-spacing: 0.03em; margin-top: 2px; }

.nav-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 6px;
  flex: 1;
  overflow-y: auto;
}
.nav-list::-webkit-scrollbar { width: 4px; }
.nav-list::-webkit-scrollbar-thumb { background: var(--nav-border); border-radius: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 2px;
  transition: background 0.12s;
  user-select: none;
}
.nav-item:hover:not(.disabled) { background: rgba(240,180,41,0.08); }
.nav-item.active {
  background: rgba(240,180,41,0.12);
  border-left: 3px solid var(--gold);
  padding-left: 7px;
}
.nav-item.disabled { opacity: 0.35; cursor: default; }

.nav-num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 10px;
  color: var(--gold-dim);
  flex: none;
  width: 20px;
}
.nav-item.active .nav-num { color: var(--gold); }
.nav-label { font-size: 12px; color: var(--text-dim); }
.nav-item.active .nav-label { color: var(--text); font-weight: 500; }

.nav-section-title {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 12px 10px 4px;
}

.nav-footer {
  padding: 10px 14px 14px;
  border-top: 1px solid var(--nav-border);
  flex: none;
}
.nav-version { font-size: 10px; color: var(--text-muted); font-family: "IBM Plex Mono", monospace; display: flex; align-items: center; gap: 5px; }
.nav-conn-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--text-dim); flex: none; transition: background 0.4s; }
.nav-conn-dot.online  { background: var(--success); box-shadow: 0 0 4px var(--success); }
.nav-conn-dot.offline { background: var(--danger);  box-shadow: 0 0 4px var(--danger); }

/* ── Content area ──────────────────────────────────────────── */
#content {
  flex: 1;
  position: relative;
  overflow: hidden;
  min-height: 0;
}

/* ── Module panels ─────────────────────────────────────────── */
.module-panel {
  position: absolute;
  inset: 0;
  display: none;    /* router shows/hides */
}
.module-panel.scrollable {
  overflow-y: auto;
  background: var(--content-bg);
}

/* ── Module header (used by scrollable modules) ────────────── */
.module-header {
  padding: 28px 32px 20px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--panel-bg);
}
.module-header h1 {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
  color: var(--gold);
}
.module-header .module-sub {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
}
.module-refresh-btn {
  margin-top: 10px;
  padding: 5px 12px;
  border-radius: 7px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  font-family: var(--mono);
}
.module-refresh-btn:hover { border-color: var(--gold); color: var(--gold); }

/* ── Coming-soon placeholder ───────────────────────────────── */
.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 10px;
}
.cs-num {
  font-size: 72px;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 700;
  color: var(--nav-border);
  line-height: 1;
}
.cs-label {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-dim);
}
.cs-note { font-size: 13px; color: var(--text-muted); }

/* ── Admin module ──────────────────────────────────────────── */
.admin-body { padding: 24px 32px 40px; max-width: 760px; }

.admin-section { margin-bottom: 32px; }
.admin-section h2 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--panel-border);
}

.admin-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--panel-border);
}
.admin-row:last-child { border-bottom: none; }

.admin-row-label {
  font-size: 12px;
  color: var(--text-dim);
  width: 160px;
  flex: none;
}
.admin-row-value {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
}
.admin-row input {
  flex: 1;
  background: var(--content-bg);
  border: 1px solid var(--panel-border);
  border-radius: 5px;
  color: var(--text);
  font-size: 13px;
  padding: 6px 10px;
  font-family: "IBM Plex Mono", monospace;
}
.admin-row input:focus { outline: none; border-color: var(--gold); }

.admin-stat {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: var(--content-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 100px;
}
.admin-stat-num  { font-size: 26px; font-weight: 700; color: var(--gold); font-family: "IBM Plex Mono", monospace; }
.admin-stat-lbl  { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

.admin-stats-row { display: flex; flex-wrap: wrap; gap: 12px; }

.btn-primary {
  background: var(--gold);
  color: #0d1014;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.btn-primary:hover { background: #d9a020; }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--success);
  color: #0d1014;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
  z-index: 9999;
}
.toast.show { opacity: 1; }

/* ── Station Builder wrapper ───────────────────────────────── */
/* The existing sb.css scopes to #app; we host it inside #module-01 */
#module-01 #app {
  position: absolute;
  inset: 0;
  width: auto !important;
  height: auto !important;
}

/* ── Scrollbars (global) ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 6px; }
::-webkit-scrollbar-track { background: transparent; }

/* ── Light theme ──────────────────────────────────────────────── */
[data-theme="light"] {
  --gold:         #b87510;
  --gold-dim:     #8a5a0a;
  --nav-bg:       #f0f2f6;
  --nav-border:   #cfd8e3;
  --content-bg:   #f5f7fa;
  --panel-bg:     #ffffff;
  --panel-border: #dce4ee;
  --text:         #1b2535;
  --text-dim:     #4a5f72;
  --text-muted:   #8fa3b4;
  --shadow:       0 4px 24px rgba(30,50,80,0.10);
  --danger:       #c94040;
  --success:      #2aa86a;
}
[data-theme="light"] #appnav { box-shadow: 1px 0 0 var(--nav-border); }

/* Station builder always stays dark — override any theme leak */
[data-theme="light"] #module-01 {
  --canvas-bg: #0b0f14; --surface: #1a2129cc; --border: #2c3742;
  --text: #e7edf2; --text-dim: #93a2ad; --chip-bg: #212a33;
}

/* ── Theme toggle button ──────────────────────────────────────── */
.theme-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--nav-border);
  border-radius: 20px;
  padding: 5px 12px 5px 10px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 11.5px;
  white-space: nowrap;
  margin-bottom: 8px;
  width: 100%;
  justify-content: center;
  transition: border-color 0.12s, color 0.12s;
}
.theme-btn:hover { border-color: var(--gold); color: var(--gold); }
.theme-btn .tb-icon { font-size: 14px; line-height: 1; }

/* ── Module 02 — RFID Tagging ─────────────────────────────────── */
.tag-body { padding: 24px 28px 48px; max-width: 1120px; }

.tag-statsrow { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.tag-stat-chip {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 20px;
  display: flex; flex-direction: column; align-items: center;
  min-width: 90px;
}
.tag-stat-num { font-size: 22px; font-weight: 700; color: var(--gold); font-family: "IBM Plex Mono", monospace; }
.tag-stat-lbl { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 2px; }

.tag-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
@media (max-width: 700px) { .tag-cards { grid-template-columns: 1fr; } }

.tag-card { background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: var(--radius); overflow: hidden; }
.tag-card-head {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim); padding: 10px 16px;
  border-bottom: 1px solid var(--panel-border); font-weight: 600;
}
.tag-card form { padding: 14px 16px 16px; }

.tag-field { margin-bottom: 12px; }
.tag-field label { display: block; font-size: 10px; color: var(--text-dim); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.05em; }
.tag-field .req { color: var(--danger); }
.tag-field input, .tag-field select {
  width: 100%; background: var(--content-bg); border: 1px solid var(--panel-border);
  border-radius: 5px; color: var(--text); font-size: 13px; padding: 7px 10px; outline: none;
}
.tag-field input:focus, .tag-field select:focus { border-color: var(--gold); }

.tag-preview {
  background: rgba(240,180,41,0.06); border: 1px solid rgba(240,180,41,0.2);
  border-radius: 6px; padding: 8px 11px; font-size: 12px; color: var(--text);
  margin-bottom: 12px; line-height: 1.5;
}
.tag-preview b { color: var(--gold); }

.tag-msg { margin-top: 9px; font-size: 12px; min-height: 18px; border-radius: 5px; padding: 0; line-height: 1.4; }
.tag-msg:not(:empty) { padding: 5px 9px; }
.tag-msg.ok  { color: var(--success); background: rgba(61,214,140,0.08); }
.tag-msg.err { color: var(--danger);  background: rgba(224,82,82,0.08); }

.tag-section { background: var(--panel-bg); border: 1px solid var(--panel-border); border-radius: var(--radius); overflow: hidden; }
.tag-section-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--panel-border);
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); font-weight: 600;
}
.tag-section-count { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--text-muted); }

.tag-table-wrap { overflow-x: auto; }
.tag-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tag-table th {
  text-align: left; padding: 8px 14px; color: var(--text-dim);
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--panel-border); white-space: nowrap;
  font-weight: 600; background: var(--content-bg);
}
.tag-table td { padding: 9px 14px; border-bottom: 1px solid var(--panel-border); color: var(--text); vertical-align: middle; }
.tag-table tr:last-child td { border-bottom: none; }
.tag-table tr:hover td { background: rgba(240,180,41,0.04); }
.tag-epc { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--text-dim); }
.tag-empty { text-align: center; padding: 36px 0; color: var(--text-muted); font-size: 13px; }
.tag-del-btn {
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  padding: 3px 6px; border-radius: 4px; font-size: 12px; line-height: 1;
}
.tag-del-btn:hover { color: var(--danger); background: rgba(224,82,82,0.1); }

/* ── Module 03 — Reader Administration ───────────────────────── */
#module-03 { background: var(--content-bg); }

.ra-layout { display: flex; height: 100%; overflow: hidden; }

.ra-sidebar {
  width: 240px; flex: none; border-right: 1px solid var(--panel-border);
  background: var(--panel-bg); display: flex; flex-direction: column; overflow: hidden;
}
.ra-sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 14px 11px; border-bottom: 1px solid var(--panel-border); flex: none;
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); font-weight: 600;
}
.ra-sidebar-head .btn-ghost { padding: 4px 10px; font-size: 11px; }
.ra-reader-list { flex: 1; overflow-y: auto; padding: 6px; }

.ra-reader-item {
  padding: 9px 10px; border-radius: 7px; cursor: pointer; margin-bottom: 2px;
  border: 1px solid transparent; transition: background 0.1s;
}
.ra-reader-item:hover:not(.selected) { background: rgba(240,180,41,0.06); }
.ra-reader-item.selected { background: rgba(240,180,41,0.10); border-color: rgba(240,180,41,0.28); }
.ra-reader-name { font-size: 12.5px; color: var(--text); font-weight: 500; }
.ra-reader-meta { font-size: 10.5px; color: var(--text-dim); margin-top: 3px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ra-reader-empty { color: var(--text-muted); font-size: 12px; text-align: center; padding: 28px 14px; line-height: 1.6; }

.ra-status-dot { width: 7px; height: 7px; border-radius: 50%; flex: none; }
.ra-status-dot.active      { background: var(--success); }
.ra-status-dot.planned     { background: var(--text-muted); }
.ra-status-dot.offline     { background: var(--danger); }
.ra-status-dot.maintenance { background: var(--warning); }

.ra-canvas { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: var(--content-bg); }
.ra-canvas-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 14px; border-bottom: 1px solid var(--panel-border);
  background: var(--panel-bg); flex: none; min-height: 42px;
}
.ra-canvas-label { font-size: 10.5px; color: var(--text-muted); }
.ra-floor-svg { flex: 1; width: 100%; height: 100%; display: block; cursor: grab; user-select: none; }
.ra-floor-svg:active { cursor: grabbing; }
.ra-floor-svg.placing { cursor: crosshair; }

.ra-detail {
  width: 272px; flex: none; border-left: 1px solid var(--panel-border);
  background: var(--panel-bg); overflow-y: auto; display: flex; flex-direction: column;
}
.ra-detail-empty {
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 12px; text-align: center; padding: 24px; line-height: 1.6;
}
.ra-detail-head {
  padding: 11px 14px; border-bottom: 1px solid var(--panel-border);
  display: flex; align-items: center; justify-content: space-between; gap: 8px; flex: none;
  background: var(--panel-bg); position: sticky; top: 0; z-index: 1;
}
.ra-detail-title { font-size: 13px; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ra-detail-body { padding: 12px 14px 20px; }
.ra-detail-field { margin-bottom: 11px; }
.ra-detail-field label { display: block; font-size: 9.5px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 3px; }
.ra-detail-field input, .ra-detail-field select {
  width: 100%; background: var(--content-bg); border: 1px solid var(--panel-border);
  border-radius: 5px; color: var(--text); font-size: 12.5px; padding: 6px 8px; outline: none;
}
.ra-detail-field input:focus, .ra-detail-field select:focus { border-color: var(--gold); }

.ra-section-divider {
  font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--text-dim); font-weight: 600; margin: 14px 0 9px;
  padding-bottom: 7px; border-bottom: 1px solid var(--panel-border);
}
.ra-antenna-item {
  background: var(--content-bg); border: 1px solid var(--panel-border);
  border-radius: 6px; padding: 7px 9px; margin-bottom: 5px;
  display: flex; align-items: center; gap: 8px;
}
.ra-ant-port {
  width: 22px; height: 22px; background: var(--gold); color: #0d1014;
  border-radius: 4px; font-size: 10.5px; font-weight: 700;
  display: flex; align-items: center; justify-content: center; flex: none;
}
.ra-ant-info { flex: 1; }
.ra-ant-label { font-size: 12px; color: var(--text); }
.ra-ant-range { font-size: 10.5px; color: var(--text-dim); }
.ra-ant-del {
  background: none; border: none; cursor: pointer; color: var(--text-muted);
  padding: 3px 5px; border-radius: 4px; font-size: 13px;
}
.ra-ant-del:hover { color: var(--danger); background: rgba(224,82,82,0.1); }

.ra-place-hint {
  font-size: 11px; color: var(--text-dim); text-align: center;
  padding: 8px 10px; border-radius: 6px; line-height: 1.5;
  background: rgba(240,180,41,0.06); border: 1px dashed rgba(240,180,41,0.28); margin-bottom: 10px;
}
.ra-place-hint b { color: var(--gold); }

.ra-add-form { background: var(--content-bg); border-top: 1px solid var(--panel-border); padding: 12px; }
.ra-add-form .ra-detail-field { margin-bottom: 8px; }

/* ── Module 03 extended: view toggle, search, 3D, grid dialog ────────────── */
.ra-view-toggle { display: flex; gap: 0; border: 1px solid var(--panel-border); border-radius: 7px; overflow: hidden; flex: none; }
.ra-vtbtn { background: transparent; border: none; padding: 4px 12px; font-size: 11px; color: var(--text-dim); cursor: pointer; transition: background .12s, color .12s; }
.ra-vtbtn:hover { background: var(--chip-bg); color: var(--text); }
.ra-vtbtn.active { background: var(--gold); color: #1a1200; font-weight: 600; }

.ra-cov-btn { font-size: 11px; padding: 4px 10px; }
.ra-cov-btn.active { border-color: rgba(240,180,41,.5); color: var(--gold); }

.ra-search-row { display: flex; gap: 6px; padding: 6px 8px; flex: none; }
.ra-search { flex: 1; background: var(--chip-bg); border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 5px 8px; font-size: 11.5px; color: var(--text); outline: none; }
.ra-search:focus { border-color: var(--gold); }
.ra-status-filter { background: var(--chip-bg); border: 1px solid var(--panel-border); border-radius: 6px;
  padding: 4px 6px; font-size: 11px; color: var(--text); cursor: pointer; outline: none; }

.ra-count-badge { display: inline-block; background: var(--chip-bg); color: var(--text-dim); font-size: 10px;
  padding: 1px 7px; border-radius: 20px; margin-left: 5px; font-family: var(--mono); }

.ra-sidebar-stats { padding: 10px 12px; border-top: 1px solid var(--panel-border); flex: none; }
.ra-stat-row { display: flex; gap: 8px; flex-wrap: wrap; }
.ra-stat-sub { font-size: 9.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); margin-bottom: 6px; font-weight: 600; }
.ra-stat-chip { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-dim);
  background: var(--chip-bg); border-radius: 6px; padding: 3px 8px; }

/* Per-reader list row additions */
.ra-ri-left  { flex: 1; min-width: 0; }
.ra-ri-btns  { display: flex; gap: 4px; flex: none; align-items: center; }
.ra-ri-text  { display: flex; align-items: center; gap: 6px; }

.ra-eye-btn { background: transparent; border: none; cursor: pointer; padding: 3px 5px; border-radius: 5px;
  color: var(--text-dim); font-size: 14px; line-height: 1; transition: background .1s; }
.ra-eye-btn:hover { background: var(--chip-bg); color: var(--text); }
.ra-eye-btn.dimmed { opacity: .35; }

.ra-hidden-item { opacity: .45; }

/* 3D canvas */
.ra-3d-canvas { flex: 1; width: 100%; height: 100%; display: block; outline: none; }

/* Camera preset row */
.ra-preset-group { display: flex; gap: 4px; flex: none; }

/* Auto-place / grid */
.ra-auto-btn { font-size: 11px; padding: 4px 8px; }

/* Grid placement dialog */
.ra-grid-dlg { position: fixed; inset: 0; z-index: 900; display: flex; align-items: center; justify-content: center; }
.ra-grid-dlg-bg { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.ra-grid-dlg-box { position: relative; background: var(--surface); border: 1px solid var(--panel-border);
  border-radius: 14px; padding: 22px 24px 20px; width: 340px; max-width: 96vw; z-index: 1; }
.ra-grid-dlg-title { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.ra-grid-row { display: flex; gap: 10px; align-items: flex-end; margin-bottom: 12px; }
.ra-grid-field { flex: 1; }
.ra-grid-field label { display: block; font-size: 9.5px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--text-dim); margin-bottom: 4px; }
.ra-grid-field input { width: 100%; background: var(--chip-bg); border: 1px solid var(--panel-border);
  border-radius: 6px; padding: 5px 8px; font-size: 12px; color: var(--text); box-sizing: border-box; }
.ra-grid-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 4px; }

/* ── Module 04: DB Administration ─────────────────────────────────────────── */
.dba-layout { display: flex; height: 100%; overflow: hidden; }
.dba-sidebar { width: 180px; flex: none; background: var(--content-bg); border-right: 1px solid var(--panel-border);
  display: flex; flex-direction: column; overflow-y: auto; }
.dba-sidebar-head { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim);
  padding: 14px 14px 8px; font-weight: 600; }
.dba-table-item { display: flex; align-items: center; gap: 8px; padding: 8px 14px; cursor: pointer;
  font-size: 13px; color: var(--text); border-left: 3px solid transparent; transition: background .12s; }
.dba-table-item:hover { background: var(--chip-bg); }
.dba-table-item.active { border-left-color: var(--gold); background: var(--chip-bg); color: var(--gold); }
.dba-tbl-icon { font-size: 14px; opacity: .5; }
.dba-tbl-count { margin-left: auto; font-size: 10px; color: var(--text-dim); font-family: var(--mono); }
.dba-divider { flex: 1; }
.dba-export-btn { margin: 0 12px 8px; padding: 7px 10px; border-radius: 7px; border: 1px solid var(--panel-border);
  background: transparent; color: var(--text-dim); font-size: 11px; cursor: pointer; text-align: left; }
.dba-export-btn:hover { border-color: var(--gold); color: var(--gold); }
.dba-danger-btn { margin: 12px; padding: 7px 10px; border-radius: 7px; border: 1px solid var(--danger);
  background: transparent; color: var(--danger); font-size: 11px; cursor: pointer; }
.dba-danger-btn:hover { background: var(--danger); color: #fff; }
.dba-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.dba-toolbar { display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-bottom: 1px solid var(--panel-border); flex: none; }
.dba-tbl-title { font-weight: 600; font-size: 15px; color: var(--text); flex: none; }
.dba-search { flex: 1; padding: 7px 11px; border-radius: 7px; border: 1px solid var(--panel-border);
  background: var(--chip-bg); color: var(--text); font-size: 13px; }
.dba-search:focus { outline: none; border-color: var(--gold); }
.dba-refresh-btn { padding: 7px 14px; border-radius: 7px; border: 1px solid var(--panel-border);
  background: var(--chip-bg); color: var(--text); font-size: 13px; cursor: pointer; }
.dba-refresh-btn:hover { border-color: var(--gold); color: var(--gold); }
.dba-table-wrap { flex: 1; overflow: auto; padding: 0; }
.dba-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.dba-table th { background: var(--chip-bg); color: var(--text-dim); text-transform: uppercase;
  font-size: 10px; letter-spacing: .05em; padding: 8px 12px; text-align: left;
  position: sticky; top: 0; border-bottom: 1px solid var(--panel-border); }
.dba-table td { padding: 7px 12px; border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dba-table tr:hover td { background: var(--chip-bg); }
.dba-null { color: var(--text-dim) !important; font-style: italic; }
.dba-del-btn { padding: 3px 8px; border-radius: 5px; border: 1px solid var(--danger);
  background: transparent; color: var(--danger); font-size: 11px; cursor: pointer; }
.dba-del-btn:hover { background: var(--danger); color: #fff; }
.dba-empty, .dba-loading { padding: 40px; text-align: center; color: var(--text-dim); font-size: 13px; }
.dba-status { padding: 8px 16px; font-size: 12px; height: 34px; flex: none; }
.dba-status.ok  { color: var(--success); }
.dba-status.err { color: var(--danger); }
.dba-expand-btn { padding: 3px 7px; border-radius: 5px; border: 1px solid var(--panel-border);
  background: none; color: var(--text-dim); cursor: pointer; font-size: 14px; margin-right: 4px; }
.dba-expand-btn:hover { border-color: var(--gold); color: var(--gold); }
.dba-expand-btn.active { border-color: var(--gold); color: var(--gold); background: var(--chip-bg); }
.dba-data-row { cursor: default; }
.dba-detail-row td { background: var(--sidebar-bg) !important; }
.dba-detail-cell { padding: 12px 16px !important; }
.dba-detail-field { display: flex; gap: 12px; padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 12px; }
.dba-detail-field:last-child { border-bottom: none; }
.dba-detail-key { width: 140px; flex: none; color: var(--text-dim); font-family: var(--mono); font-size: 11px; padding-top: 1px; }
.dba-detail-val { flex: 1; color: var(--text); word-break: break-all; font-family: var(--mono); font-size: 12px; }

/* ── Module 05: Part Tracing ───────────────────────────────────────────────── */
.pt-body { padding: 0 24px 40px; }
.pt-searchbar { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
.pt-search-input { flex: 1; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--panel-border);
  background: var(--chip-bg); color: var(--text); font-size: 14px; }
.pt-search-input:focus { outline: none; border-color: var(--gold); }
.pt-suggestions { position: relative; background: var(--content-bg); border: 1px solid var(--panel-border);
  border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.4); overflow: hidden; margin-bottom: 10px; z-index: 10; }
.pt-sug-item { padding: 9px 14px; cursor: pointer; font-size: 13px; color: var(--text); }
.pt-sug-item:hover { background: var(--chip-bg); }
.pt-not-found { padding: 14px 18px; background: var(--chip-bg); border-radius: 8px;
  color: var(--text-dim); font-size: 13px; margin-bottom: 16px; }
.pt-detail { background: var(--content-bg); border: 1px solid var(--panel-border);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 24px; }
.pt-detail-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.pt-detail-title { font-size: 18px; font-weight: 700; color: var(--text); }
.pt-detail-sub { font-size: 13px; color: var(--text-dim); }
.pt-detail-badge { padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; margin-left: auto; }
.pt-detail-badge.tagged   { background: rgba(61,214,140,.15); color: #3dd68c; border: 1px solid rgba(61,214,140,.3); }
.pt-detail-badge.untagged { background: rgba(143,163,180,.1); color: var(--text-dim); border: 1px solid rgba(143,163,180,.2); }
.pt-timeline { display: flex; flex-direction: column; gap: 0; }
.pt-tl-row { display: flex; gap: 14px; }
.pt-tl-left { display: flex; flex-direction: column; align-items: center; flex: none; width: 30px; }
.pt-tl-dot { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 11px; color: #fff; flex: none; }
.pt-tl-line { flex: 1; width: 2px; background: var(--panel-border); min-height: 24px; margin: 3px 0; }
.pt-tl-body { padding-bottom: 20px; }
.pt-tl-label  { font-weight: 600; font-size: 13px; color: var(--text); margin-bottom: 3px; }
.pt-tl-detail { font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
.pt-tl-time   { font-size: 11px; color: var(--text-dim); font-family: var(--mono); }
.pt-section-head { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-dim);
  font-weight: 600; margin-bottom: 10px; }
.pt-table-wrap { overflow-x: auto; }
.pt-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.pt-table th { background: var(--chip-bg); color: var(--text-dim); text-transform: uppercase;
  font-size: 10px; letter-spacing: .05em; padding: 8px 12px; text-align: left;
  border-bottom: 1px solid var(--panel-border); }
.pt-table td { padding: 9px 12px; border-bottom: 1px solid rgba(255,255,255,0.04); color: var(--text); }
.pt-row { cursor: pointer; }
.pt-row:hover td { background: var(--chip-bg); }
.pt-epc { font-family: var(--mono); font-size: 11px; }
.pt-notag { color: var(--text-dim); font-style: italic; }
.pt-empty { padding: 30px; text-align: center; color: var(--text-dim); font-size: 13px; }

/* ── Module 06: Live Operations ────────────────────────────────────────────── */
.rt-layout { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.rt-top { display: flex; gap: 12px; padding: 16px; flex: none; flex-wrap: wrap; }
.rt-card { background: var(--content-bg); border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 14px 16px; flex: 1; min-width: 200px; }
.rt-card-stats { flex: none; min-width: 220px; }
.rt-card-head { font-size: 10px; text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-dim); font-weight: 600; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.rt-badge { background: var(--chip-bg); color: var(--text-dim); font-size: 10px; padding: 1px 7px;
  border-radius: 20px; font-weight: 500; }
.rt-reader-grid { display: flex; flex-direction: column; gap: 6px; }
.rt-reader-chip { display: flex; align-items: center; gap: 9px; padding: 6px 8px;
  border-radius: 7px; background: var(--chip-bg); border: 1px solid transparent; }
.rt-reader-chip.alive { border-color: rgba(61,214,140,.25); }
.rt-reader-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); flex: none; }
.rt-reader-dot.alive { background: #3dd68c; box-shadow: 0 0 6px #3dd68c88; }
.rt-reader-info { display: flex; flex-direction: column; }
.rt-reader-name { font-size: 12px; font-weight: 600; color: var(--text); }
.rt-reader-meta { font-size: 10px; color: var(--text-dim); font-family: var(--mono); }
.rt-station-list { display: flex; flex-direction: column; gap: 6px; }
.rt-station-row { display: flex; align-items: center; gap: 10px; padding: 6px 8px;
  border-radius: 7px; background: var(--chip-bg); }
.rt-st-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); flex: none; }
.rt-st-dot.stale { background: var(--text-dim); }
.rt-st-info { flex: 1; display: flex; flex-direction: column; }
.rt-st-name { font-size: 12px; font-weight: 600; color: var(--text); }
.rt-st-epc  { font-size: 10px; color: var(--text-dim); font-family: var(--mono); }
.rt-dwell { font-size: 11px; color: var(--gold); font-family: var(--mono); }
.rt-dwell.stale { color: var(--text-dim); }
.rt-stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rt-stat-chip { background: var(--chip-bg); border-radius: 8px; padding: 10px 12px;
  display: flex; flex-direction: column; gap: 2px; }
.rt-stat-num { font-size: 22px; font-weight: 700; color: var(--gold); font-family: var(--mono); }
.rt-stat-lbl { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.rt-bottom { flex: 1; display: flex; flex-direction: column; overflow: hidden; border-top: 1px solid var(--panel-border); }
.rt-log-head { display: flex; align-items: center; gap: 10px; padding: 8px 16px;
  background: var(--content-bg); border-bottom: 1px solid var(--panel-border); flex: none; font-size: 12px; font-weight: 600; color: var(--text); }
.rt-log-badge { background: var(--chip-bg); color: var(--text-dim); font-size: 10px; padding: 2px 8px; border-radius: 20px; font-weight: 400; }
.rt-pause-lbl { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--text-dim); font-weight: 400; cursor: pointer; margin-left: auto; }
.rt-clear-btn { padding: 4px 10px; border-radius: 6px; border: 1px solid var(--panel-border);
  background: transparent; color: var(--text-dim); font-size: 11px; cursor: pointer; }
.rt-clear-btn:hover { border-color: var(--gold); color: var(--gold); }
.rt-sse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); display: inline-block; }
.rt-sse-dot.connected    { background: #3dd68c; box-shadow: 0 0 5px #3dd68c88; }
.rt-sse-dot.connecting   { background: var(--gold); }
.rt-sse-dot.disconnected { background: var(--danger); }
.rt-log-wrap { flex: 1; overflow-y: auto; font-family: var(--mono); font-size: 11.5px; }
.rt-log-inner { display: flex; flex-direction: column; }
.rt-log-row { display: flex; align-items: center; gap: 10px; padding: 5px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.03); }
.rt-log-row:hover { background: var(--chip-bg); }
.rt-log-ts { color: var(--text-dim); flex: none; width: 90px; }
.rt-log-kind { flex: none; font-size: 9px; font-weight: 700; letter-spacing: .06em;
  padding: 2px 6px; border-radius: 4px; }
.rt-log-kind.read { background: rgba(61,214,140,.12); color: #3dd68c; }
.rt-log-kind.hb   { background: rgba(143,163,180,.1); color: var(--text-dim); }
.rt-log-tankid  { flex: none; width: 108px; font-weight: 600; color: var(--text); }
.rt-log-epc     { flex: 1; color: var(--text-dim); font-size: 10.5px; }
.rt-log-station { flex: none; width: 120px; color: var(--text-dim); }
.rt-log-rssi    { flex: none; width: 62px; color: var(--text-dim); text-align: right; }
.rt-log-header  { display: flex; align-items: center; gap: 10px; padding: 4px 16px 4px;
  border-bottom: 1px solid var(--panel-border); font-size: 9.5px; font-weight: 700;
  letter-spacing: .06em; color: var(--text-dim); text-transform: uppercase; background: var(--chip-bg); }
.rt-export-btn  { padding: 3px 10px; border-radius: 6px; border: 1px solid var(--panel-border);
  background: transparent; color: var(--text-dim); font-size: 11px; cursor: pointer; }
.rt-export-btn:hover { border-color: var(--gold); color: var(--gold); }
.rt-filter-sel  { padding: 2px 6px; border-radius: 6px; border: 1px solid var(--panel-border);
  background: var(--chip-bg); color: var(--text-dim); font-size: 11px; cursor: pointer; font-family: var(--mono); }
.rt-empty { padding: 30px; text-align: center; color: var(--text-dim); font-size: 13px; }

/* ── Module 06: Live Operations dashboard ──────────────────────────────────── */
.ops-wrap { display: flex; flex-direction: column; gap: 14px; padding: 16px 18px 24px; overflow: visible; height: auto; min-height: 0; box-sizing: border-box; }

/* KPI tiles */
.ops-kpi-row { display: flex; gap: 12px; flex-wrap: wrap; flex: none; }
.ops-kpi-card { flex: 1 1 130px; border-radius: 12px; padding: 16px 16px 13px;
  display: flex; flex-direction: column; gap: 4px; border: 1px solid var(--panel-border);
  background: var(--content-bg); border-top-width: 3px; }
.ops-kpi-num { font-size: 30px; font-weight: 700; font-family: var(--mono); line-height: 1; }
.ops-kpi-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); font-weight: 600; }
.ops-kpi-sub { font-size: 10px; color: var(--text-dim); opacity: 0.7; margin-top: 1px; }
.kpi-blue   { border-top-color: #4a7db5; } .kpi-blue   .ops-kpi-num { color: #4a7db5; }
.kpi-green  { border-top-color: #3d9e6a; } .kpi-green  .ops-kpi-num { color: #3d9e6a; }
.kpi-amber  { border-top-color: #c88830; } .kpi-amber  .ops-kpi-num { color: #c88830; }
.kpi-red    { border-top-color: #c05050; } .kpi-red    .ops-kpi-num { color: #c05050; }
.kpi-purple { border-top-color: #9b59b6; } .kpi-purple .ops-kpi-num { color: #9b59b6; }

/* Cards */
.ops-card { background: var(--content-bg); border: 1px solid var(--panel-border); border-radius: 12px; padding: 14px 16px; }
.ops-card-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.ops-card-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text); }
.ops-card-sub { font-size: 11px; color: var(--text-dim); }

/* Main charts row — 3 columns */
.ops-main-row { display: flex; gap: 14px; flex: none; }
.ops-card-wip   { flex: 1.4; min-width: 200px; }
.ops-card-donut { flex: 1;   min-width: 175px; }
.ops-card-rate  { flex: 1.4; min-width: 200px; }

/* WIP SVG chart */
.ops-wip-chart { height: 190px; overflow: hidden; }

/* Donut */
.ops-donut-wrap { display: flex; align-items: center; justify-content: center; }
.ops-donut-svg  { width: 100%; height: 190px; overflow: visible; }

/* Rate chart */
.ops-rate-chart { height: 168px; overflow: hidden; }

/* Live feed */
.ops-card-feed  { flex: none; }
.ops-feed-head  { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; flex-wrap: wrap; }
.ops-feed-badge { background: var(--chip-bg); color: var(--text-dim); font-size: 10px; padding: 2px 8px; border-radius: 20px; }
.ops-sse-dot    { width: 8px; height: 8px; border-radius: 50%; background: var(--text-dim); display: inline-block; }
.ops-sse-dot.connected    { background: #3dd68c; box-shadow: 0 0 5px #3dd68c88; }
.ops-sse-dot.connecting   { background: var(--gold); }
.ops-sse-dot.disconnected { background: var(--danger); }
.ops-btn-sm { padding: 3px 10px; border-radius: 6px; border: 1px solid var(--panel-border);
  background: var(--chip-bg); color: var(--text); cursor: pointer; font-size: 11px; }
.ops-btn-sm:hover { border-color: var(--gold); color: var(--gold); }
.ops-feed-log { max-height: 130px; overflow-y: auto; font-family: var(--mono); font-size: 11px; }
.ops-feed-row { display: flex; gap: 12px; padding: 3px 4px; border-bottom: 1px solid var(--panel-border); }
.ops-feed-row:hover { background: var(--chip-bg); }
.ops-feed-ts   { color: var(--text-dim); flex: none; width: 70px; }
.ops-feed-tank { font-weight: 600; color: var(--text); flex: none; width: 110px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ops-feed-st   { flex: 1; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ops-feed-rssi { color: var(--text-dim); flex: none; width: 60px; text-align: right; }
.ops-chart-empty { padding: 20px; text-align: center; color: var(--text-dim); font-size: 13px; }

@media (max-width: 700px) {
  .ops-main-row { flex-direction: column; }
}

/* ── Modules 07–10: Analytics shared styles ────────────────────────────────── */
.perf-body { padding: 0 24px 40px; }
.perf-kpi-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.perf-kpi-chip { background: var(--content-bg); border: 1px solid var(--panel-border); border-radius: 10px;
  padding: 14px 18px; display: flex; flex-direction: column; gap: 4px; min-width: 120px; }
.perf-kpi-num { font-size: 26px; font-weight: 700; color: var(--gold); font-family: var(--mono); line-height: 1; }
.perf-kpi-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); font-weight: 600; }
.perf-charts { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-bottom: 16px; }
@media (max-width: 600px) { .perf-charts { grid-template-columns: 1fr; } }
.perf-chart-card { background: var(--content-bg); border: 1px solid var(--panel-border); border-radius: 10px; padding: 16px 18px; }
.perf-chart-head { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-dim);
  font-weight: 600; margin-bottom: 14px; }
.perf-donut-wrap { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.perf-legend-row { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text); margin-bottom: 5px; }
.perf-legend-dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.perf-legend-lbl { flex: 1; color: var(--text-dim); }
.perf-legend-val { font-family: var(--mono); font-size: 11px; color: var(--text); font-weight: 600; }
.perf-bar-row { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.perf-bar-lbl { width: 140px; flex: none; font-size: 12px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.perf-bar-track { flex: 1; height: 10px; background: var(--chip-bg); border-radius: 5px; overflow: hidden; }
.perf-bar-fill  { height: 100%; background: var(--gold); border-radius: 5px; transition: width .3s ease; }
.perf-bar-val   { width: 36px; text-align: right; font-family: var(--mono); font-size: 11px; color: var(--text-dim); }
.perf-no-data   { padding: 20px; text-align: center; color: var(--text-dim); font-size: 13px; }

/* ── Global circular spinner ───────────────────────────────────────────────── */
.g-spinner {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 9999;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.g-spinner.active { opacity: 1; }
.g-spinner-svg {
  position: absolute;
  top: 0; left: 0;
  width: 48px; height: 48px;
}
.g-spinner.active .g-spinner-svg { animation: g-spin-rot 1.2s linear infinite; }
.g-spinner.active .g-spinner-svg.has-pct { animation: none; }
@keyframes g-spin-rot {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.g-spinner-track {
  stroke: var(--panel-border, rgba(255,255,255,0.12));
}
.g-spinner-arc {
  stroke: var(--gold, #f0b429);
  stroke-dasharray: 113.1;
  stroke-dashoffset: 72; /* ~36% visible arc for spinning state */
  transition: stroke-dashoffset 0.3s ease;
}
.g-spinner-pct {
  position: relative;
  z-index: 1;
  font-size: 10px;
  font-weight: 700;
  color: var(--gold, #f0b429);
  font-family: var(--mono, monospace);
  letter-spacing: -0.03em;
}

/* ── Live Ops dashboard header row ─────────────────────────────────────────── */
.ops-dash-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 0 10px;
  flex: none;
}
.ops-dash-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.ops-refresh-btn {
  background: var(--content-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 7px;
  padding: 5px 12px;
  font-size: 11.5px;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.ops-refresh-btn:hover { color: var(--gold); border-color: var(--gold); }