/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-dim: rgba(37,99,235,0.12);
  --accent: #0ea5e9;

  --success: #10b981;
  --success-light: #f0fdf4;
  --success-hover: #059669;

  --warning: #f59e0b;
  --warning-light: #fffbeb;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-hover: #dc2626;

  --purple: #8b5cf6;
  --purple-light: #f5f3ff;

  --bg: #f1f5f9;
  --surface: #ffffff;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --border: #e2e8f0;
  --border-2: #cbd5e1;

  --sidebar-w: 260px;
  --header-h: 68px;
  --r-lg: 14px;
  --r-md: 10px;
  --r-sm: 6px;

  --sh-xs: 0 1px 2px rgba(0,0,0,.05);
  --sh-sm: 0 2px 8px rgba(0,0,0,.06);
  --sh-md: 0 4px 16px rgba(0,0,0,.08);
  --sh-lg: 0 12px 32px rgba(0,0,0,.1);
}

/* ─── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; max-width: 100%; overflow-x: hidden; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 99px; }
::-webkit-scrollbar-track { background: transparent; }

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

/* ─── Mobile Header ─────────────────────────────────────── */
.mobile-header {
  display: none;
  position: fixed; top: 0; left: 0; width: 100%;
  height: 56px; z-index: 180;
  background: #0f172a;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: var(--sh-sm);
}
.hamburger-btn {
  background: none; border: none; color: #e2e8f0;
  cursor: pointer; padding: 8px;
  display: flex; align-items: center;
}
.mobile-brand-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 700; font-size: 1.1rem; color: #fff;
}

/* ─── Sidebar ────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: #0f172a;
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 200;
  transition: transform .25s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); backdrop-filter: blur(3px);
  z-index: 195; opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.sidebar-overlay.open { display: block; opacity: 1; pointer-events: auto; }

.sidebar-close-btn {
  display: none; position: absolute; top: 14px; right: 14px;
  background: rgba(255,255,255,.06); border: none; color: #94a3b8;
  width: 32px; height: 32px; border-radius: 8px;
  cursor: pointer; align-items: center; justify-content: center;
  transition: background .15s;
}
.sidebar-close-btn:hover { background: rgba(255,255,255,.12); color: #fff; }

/* Brand */
.brand {
  display: flex; align-items: center; gap: 11px;
  padding: 22px 18px 16px;
}
.logo-wrapper {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.logo-wrapper img { width: 100%; height: 100%; object-fit: cover; }
.logo-fallback-icon { display: none; align-items: center; justify-content: center; color: #fff; }
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 700; color: #fff; }
.brand-sub { font-size: 0.68rem; color: #64748b; text-transform: uppercase; letter-spacing: .08em; }

/* Nav */
.nav-menu { display: flex; flex-direction: column; padding: 8px 12px; flex: 1; }
.nav-section-label {
  font-size: 0.65rem; font-weight: 600; color: #475569;
  text-transform: uppercase; letter-spacing: .1em;
  padding: 14px 8px 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  color: #94a3b8; text-decoration: none;
  padding: 10px 12px; border-radius: var(--r-sm);
  font-weight: 500; font-size: 0.875rem;
  transition: all .18s;
  margin-bottom: 2px;
}
.nav-icon { display: flex; align-items: center; justify-content: center; width: 18px; flex-shrink: 0; }
.nav-item:hover { color: #e2e8f0; background: rgba(255,255,255,.05); }
.nav-item.active { color: #fff; background: var(--primary); box-shadow: 0 3px 10px rgba(37,99,235,.3); }

.sidebar-footer {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.07);
  font-size: 0.78rem; color: #475569;
}
.sidebar-footer-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px rgba(16,185,129,.6);
  animation: pulse 2s infinite;
}
.sidebar-version { margin-left: auto; color: #334155; font-size: 0.72rem; }

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(16,185,129,.7); }
  50% { box-shadow: 0 0 0 5px rgba(16,185,129,0); }
}

/* ─── Main Area ──────────────────────────────────────────── */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex; flex-direction: column;
  min-height: 100vh;
  width: calc(100% - var(--sidebar-w));
  max-width: 100%;
}

.app-header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 80;
}
.app-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem; font-weight: 700; color: var(--text);
}
.page-subtitle { font-size: 0.8rem; color: var(--text-3); margin-top: 1px; }
.header-right { display: flex; align-items: center; gap: 10px; }

/* ─── Content Body ───────────────────────────────────────── */
.content-body {
  padding: 24px 28px;
  flex: 1; display: flex; flex-direction: column;
  width: 100%; max-width: 1280px; margin: 0 auto;
}

/* Tab Pages */
.tab-page { display: none; animation: fadein .2s ease; }
.tab-page.active { display: block; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

/* ─── Dashboard: Stat Cards ─────────────────────────────── */
.stat-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--sh-xs);
  transition: transform .18s, box-shadow .18s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--sh-sm); }

.stat-card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-card-blue .stat-card-icon  { background: var(--primary-light); color: var(--primary); }
.stat-card-green .stat-card-icon { background: var(--success-light); color: var(--success); }
.stat-card-amber .stat-card-icon { background: var(--warning-light); color: var(--warning); }
.stat-card-purple .stat-card-icon{ background: var(--purple-light); color: var(--purple); }

.stat-card-body { display: flex; flex-direction: column; }
.stat-card-val {
  font-family: 'Outfit', sans-serif;
  font-size: 1.75rem; font-weight: 800; color: var(--text);
  line-height: 1;
}
.stat-card-lbl { font-size: 0.78rem; color: var(--text-3); font-weight: 500; margin-top: 3px; }

/* ─── Dashboard Mid Row ──────────────────────────────────── */
.dash-mid-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

/* Active Session Panel */
.active-exam-card {
  border-left: 3px solid var(--primary);
}
.active-exam-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(16,185,129,.7);
  animation: pulse 2s infinite;
}
.active-exam-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700; font-size: 0.95rem; color: var(--text);
}
.session-info-list { display: flex; flex-direction: column; gap: 12px; }
.session-info-item { display: flex; flex-direction: column; gap: 2px; }
.si-label { font-size: 0.7rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.si-value { font-size: 0.88rem; font-weight: 600; color: var(--text); word-break: break-all; }
.no-key-badge {
  display: inline-flex; align-items: center;
  font-size: 0.75rem; font-weight: 600; color: var(--text-3);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 99px; padding: 3px 10px;
}

/* Quick Nav Grid */
.quick-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.nav-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  display: flex; align-items: center; gap: 12px;
  cursor: pointer; transition: all .18s;
  box-shadow: var(--sh-xs);
}
.nav-card:hover { border-color: var(--primary); box-shadow: var(--sh-sm); transform: translateY(-1px); }
.nav-card-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.upload-c { background: var(--primary-light); color: var(--primary); }
.key-c    { background: #fef3c7; color: #d97706; }
.hist-c   { background: var(--success-light); color: var(--success); }
.srch-c   { background: #e0f2fe; color: #0284c7; }

.nav-card-text { display: flex; flex-direction: column; }
.nav-card-text strong { font-size: 0.875rem; font-weight: 700; color: var(--text); }
.nav-card-text span { font-size: 0.75rem; color: var(--text-3); margin-top: 1px; }

/* Empty State */
.empty-state {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: 60px 24px;
  background: var(--surface);
  border: 1px dashed var(--border-2);
  border-radius: var(--r-lg);
  margin-top: 20px;
}
.empty-icon {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); margin-bottom: 16px;
}
.empty-state h3 { font-family: 'Outfit', sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.empty-state p { color: var(--text-2); font-size: 0.88rem; margin-bottom: 20px; }

/* ─── Panel Base ─────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  margin-bottom: 20px;
  box-shadow: var(--sh-xs);
}
.panel-header {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-bottom: 18px;
}
.panel-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem; font-weight: 700; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.panel-title svg { color: var(--primary); }
.hint-text { font-size: 0.83rem; color: var(--text-2); line-height: 1.45; margin-bottom: 14px; }

/* ─── Buttons ─────────────────────────────────────────────── */
button, .btn { font-family: inherit; }
.btn-primary {
  background: var(--primary); color: #fff; border: none;
  border-radius: var(--r-sm); padding: 9px 18px;
  font-size: 0.875rem; font-weight: 600;
  cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
  transition: background .15s, box-shadow .15s;
  box-shadow: 0 2px 6px rgba(37,99,235,.25);
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 10px rgba(37,99,235,.35); }
.btn-primary:disabled { background: #93c5fd; cursor: not-allowed; box-shadow: none; }

.btn-outline {
  background: var(--surface); color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 9px 16px;
  font-size: 0.875rem; font-weight: 500;
  cursor: pointer; display: inline-flex; align-items: center; gap: 7px;
  transition: all .15s;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.text-decoration-none { text-decoration: none; }

/* Ghost buttons (Answer Key toolbar) */
.btn-ghost {
  background: var(--bg); color: var(--text-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 7px 12px;
  font-size: 0.8rem; font-weight: 500;
  cursor: pointer; display: inline-flex; align-items: center; gap: 5px;
  transition: all .15s;
}
.btn-ghost:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(37,99,235,.25); }
.btn-ghost-danger { color: var(--danger); border-color: rgba(239,68,68,.2); background: var(--danger-light); }
.btn-ghost-danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-ghost-import { color: var(--text-2); }
.btn-ghost-import:hover { color: var(--primary); }

/* ─── Evaluate Button (Big single CTA) ──────────────────── */
.btn-evaluate {
  width: 100%; padding: 16px 20px;
  background: linear-gradient(135deg, #1d4ed8, #2563eb 50%, #0284c7);
  color: #fff; border: none; border-radius: var(--r-md);
  cursor: pointer;
  display: flex; align-items: center; gap: 16px;
  transition: all .2s; margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(37,99,235,.35);
  text-align: left;
}
.btn-evaluate:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,.45); }
.btn-evaluate:disabled { background: #93c5fd; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-evaluate-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.btn-evaluate-text { display: flex; flex-direction: column; gap: 2px; }
.btn-evaluate-main { font-family: 'Outfit', sans-serif; font-size: 1.05rem; font-weight: 700; }
.btn-evaluate-sub { font-size: 0.78rem; opacity: .75; }

/* Eval checklist */
.eval-checklist { display: flex; flex-direction: column; gap: 8px; }
.ecl-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.83rem; color: var(--text-2);
}
.ecl-always svg { color: var(--success); }
.ecl-icon-pending { color: var(--text-3); }
.ecl-scoring-active svg { color: var(--success) !important; }
.ecl-scoring-active span { color: var(--text); font-weight: 500; }

/* ─── Upload Page ────────────────────────────────────────── */
.process-key-banner {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
  border-radius: var(--r-md);
  padding: 14px 20px; margin-bottom: 20px; color: #fff;
}
.pkb-icon { font-size: 1.5rem; flex-shrink: 0; }
.pkb-body { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.pkb-label { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; opacity: .7; }
.pkb-value { font-size: 0.9rem; font-weight: 600; }
.pkb-action {
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff; border-radius: var(--r-sm);
  padding: 6px 14px; font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: background .15s; white-space: nowrap;
}
.pkb-action:hover { background: rgba(255,255,255,.25); }

.process-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

/* Drop Zone */
.drop-zone {
  border: 2px dashed #bfdbfe;
  border-radius: var(--r-md);
  padding: 40px 20px;
  text-align: center; cursor: pointer;
  background: #f8fafc;
  transition: all .2s;
  display: flex; flex-direction: column; align-items: center;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
}
.dz-icon-ring {
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(37,99,235,.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); margin-bottom: 12px;
  transition: transform .2s;
}
.drop-zone:hover .dz-icon-ring { transform: translateY(-3px); }
.dz-lead { font-size: 0.92rem; font-weight: 500; color: var(--text); }
.dz-browse { color: var(--primary); text-decoration: underline; font-weight: 600; }
.dz-sub { font-size: 0.75rem; color: var(--text-3); margin-top: 4px; }

.file-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.file-chip {
  background: var(--primary-light);
  border: 1px solid #bfdbfe;
  border-radius: 99px; padding: 5px 12px 5px 10px;
  font-size: 0.8rem; color: #1e40af; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
}
.file-chip button {
  background: none; border: none; cursor: pointer;
  color: #64748b; line-height: 1; padding: 0; font-size: 1rem;
  display: inline-flex; align-items: center;
}
.file-chip button:hover { color: var(--danger); }

/* Upload panel sub-label */
.upload-panel h2, .evaluate-panel h2 { margin-bottom: 10px; }

/* Progress */
.progress-track {
  background: #e2e8f0; border-radius: 99px; height: 7px; overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 99px; width: 0; transition: width .3s ease;
}
.progress-label { font-size: 0.8rem; color: var(--text-2); margin-top: 6px; }

/* ─── Results Summary ─────────────────────────────────────── */
.results-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px; margin-bottom: 18px;
}
.summary-stat {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 12px;
  text-align: center;
}
.summary-stat .val { font-family: 'Outfit', sans-serif; font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.summary-stat .lbl { font-size: 0.68rem; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; margin-top: 2px; }

/* Table toolbar */
.table-toolbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 14px;
}
.search-input-wrap { position: relative; flex: 1; min-width: 200px; }
.tb-search-icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; }
.search-input-wrap input.field-input { padding-left: 34px; }
#search-box {
  width: 100%; border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 9px 12px 9px 34px;
  font-size: 0.875rem; font-family: inherit; color: var(--text); outline: none;
  transition: all .15s;
}
#search-box:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); }

/* Toggle */
.toggle-switch { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.toggle-switch input { display: none; }
.slider {
  width: 38px; height: 21px; background: #cbd5e1;
  border-radius: 99px; position: relative; transition: background .2s;
}
.slider::before {
  content: ""; width: 15px; height: 15px;
  background: #fff; border-radius: 50%;
  position: absolute; left: 3px; top: 3px;
  transition: transform .2s; box-shadow: 0 1px 3px rgba(0,0,0,.15);
}
.toggle-switch input:checked + .slider { background: var(--primary); }
.toggle-switch input:checked + .slider::before { transform: translateX(17px); }
.toggle-label { font-size: 0.83rem; font-weight: 500; color: var(--text-2); }

/* ─── Table ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-sm); -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.855rem; }
thead tr { background: #f8fafc; border-bottom: 1px solid var(--border); }
th { padding: 12px 14px; font-weight: 600; color: var(--text-2); font-size: 0.77rem; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
td { padding: 13px 14px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .1s; }
tbody tr:hover td { background: #f8fafc; }

.editable-cell {
  position: relative;
  transition: all 0.2s;
  border-bottom: 1px dashed transparent;
}
.editable-cell:hover {
  background-color: #eef2ff !important;
  border-bottom: 1px dashed var(--primary);
  cursor: text;
}
.editable-cell:focus {
  background-color: #fff !important;
  outline: 2px solid var(--primary);
  outline-offset: -2px;
  border-radius: 2px;
}
.status-pill { display: inline-flex; align-items: center; font-size: 0.72rem; font-weight: 700; padding: 3px 9px; border-radius: 99px; }
.status-ok     { background: var(--success-light); color: #065f46; border: 1px solid rgba(16,185,129,.15); }
.status-review { background: var(--warning-light); color: #92400e; border: 1px solid rgba(245,158,11,.15); }
.status-fail   { background: var(--danger-light);  color: #991b1b; border: 1px solid rgba(239,68,68,.15); }
.status-modified { background: var(--purple-light); color: var(--purple); border: 1px solid rgba(139,92,246,.15); }
.row-error td  { background: rgba(239,68,68,.01); }
.row-review td { background: rgba(245,158,11,.01); }

.score-pill { display: inline-block; padding: 3px 9px; border-radius: 99px; font-weight: 700; font-size: 0.82rem; }
.score-high { background: var(--success-light); color: var(--success-hover); }
.score-mid  { background: var(--warning-light); color: #b45309; }
.score-low  { background: var(--danger-light); color: var(--danger-hover); }

.btn-detail {
  background: transparent; border: 1px solid var(--border);
  color: var(--primary); font-weight: 600; padding: 5px 11px;
  border-radius: var(--r-sm); font-size: 0.78rem; cursor: pointer;
  transition: all .15s;
}
.btn-detail:hover { background: var(--primary-light); border-color: rgba(37,99,235,.25); }

/* Three-dot row action menu */
.row-actions-wrap { position: relative; display: inline-flex; align-items: center; }
.three-dots-btn {
  cursor: pointer; padding: 4px 6px; border-radius: var(--r-sm); color: var(--text-3);
  display: flex; align-items: center; transition: background .15s, color .15s;
}
.three-dots-btn:hover { background: var(--bg-2); color: var(--text); }
.row-actions-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 4px); z-index: 200;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  box-shadow: 0 8px 24px rgba(0,0,0,.12); min-width: 140px; overflow: hidden;
}
.row-actions-menu.open { display: block; }
.row-action-item {
  display: flex; align-items: center; gap: 8px; padding: 9px 14px;
  font-size: 0.84rem; color: var(--text); cursor: pointer; transition: background .12s;
}
.row-action-item:hover { background: var(--bg-2); }
.row-action-item.danger { color: var(--danger); }
.row-action-item svg { flex-shrink: 0; }

.error-pill { display: inline-block; color: #991b1b; font-size: 0.8rem; line-height: 1.4; }
.error-pill strong { font-weight: 700; color: #7f1d1d; }

/* ─── Answer Key Page ────────────────────────────────────── */
.keys-layout {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 20px; align-items: start;
}

/* Library Panel */
.keys-library-panel { position: sticky; top: calc(var(--header-h) + 20px); display: flex; flex-direction: column; max-height: calc(100vh - var(--header-h) - 40px); }
.klp-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 16px; }

.session-tree { flex: 1; overflow-y: auto; padding-right: 4px; margin-right: -4px; }
.tree-empty-root { text-align: center; padding: 40px 10px; color: var(--text-3); font-size: 0.85rem; line-height: 1.5; }
.tree-empty-root svg { margin-bottom: 10px; color: var(--border-2); }
.tree-empty-child { font-size: 0.78rem; color: var(--text-3); padding: 8px 10px 8px 24px; font-style: italic; }

.tree-session { border: 1px solid var(--border); border-radius: var(--r-sm); margin-bottom: 8px; background: var(--bg); overflow: hidden; }
.tree-session.has-active { border-color: rgba(37,99,235,0.4); box-shadow: 0 0 0 1px rgba(37,99,235,0.1); }
.tree-session-hdr { display: flex; align-items: center; padding: 10px 12px; cursor: pointer; user-select: none; transition: background 0.15s; gap: 8px; }
.tree-session-hdr:hover { background: var(--surface); }
.tree-session-name { font-weight: 700; font-size: 0.88rem; color: var(--text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.session-status { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; letter-spacing: 0.05em; }
.st-active { background: var(--success-light); color: var(--success-hover); }
.st-inactive { background: #e2e8f0; color: var(--text-2); }

.tree-exam { border-top: 1px solid var(--border); background: var(--surface); }
.tree-exam.has-active { background: var(--primary-light); }
.tree-exam-hdr { display: flex; align-items: center; padding: 8px 12px 8px 24px; cursor: pointer; user-select: none; gap: 8px; transition: background 0.15s; }
.tree-exam-hdr:hover { background: #f8fafc; }
.tree-exam-name { font-weight: 600; font-size: 0.82rem; color: var(--text-2); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.tree-session-body, .tree-exam-body { display: none; }
.tree-session-body.open, .tree-exam-body.open { display: block; }

.tree-key-item { display: flex; align-items: center; padding: 8px 12px 8px 42px; border-top: 1px solid var(--border); cursor: pointer; gap: 8px; transition: background 0.15s; background: var(--surface); }
.tree-key-item:hover { background: #f8fafc; }
.tree-key-item.key-editing { background: var(--primary-light); }
.tree-key-item.key-active { background: #eff6ff; border-left: 3px solid var(--primary); padding-left: 39px; }

.tree-key-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--border-2); flex-shrink: 0; }
.tree-key-dot.dot-active { background: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,0.2); }
.tree-key-label { font-size: 0.8rem; font-weight: 500; color: var(--text); flex: 1; }
.tree-key-count { font-size: 0.72rem; color: var(--text-3); font-variant-numeric: tabular-nums; }
.tree-key-badge { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; padding: 2px 5px; border-radius: 4px; background: var(--primary); color: #fff; }
.badge-editing { background: var(--warning); color: #fff; }

.tree-chevron { display: flex; align-items: center; justify-content: center; width: 16px; height: 16px; color: var(--text-3); transition: transform 0.2s; flex-shrink: 0; }
.tree-chevron.open { transform: rotate(90deg); }

.tree-meta { font-size: 0.75rem; color: var(--text-3); margin-right: 4px; }
.tree-actions { display: flex; align-items: center; gap: 4px; opacity: 0; transition: opacity 0.15s; }
.tree-session-hdr:hover .tree-actions, .tree-exam-hdr:hover .tree-actions, .tree-key-item:hover .tree-actions { opacity: 1; }

.tree-btn-add { background: var(--surface); border: 1px solid var(--border); color: var(--text-2); font-size: 0.7rem; font-weight: 600; padding: 2px 6px; border-radius: 4px; cursor: pointer; transition: all 0.15s; }
.tree-btn-add:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.tree-btn-del { background: transparent; border: none; color: var(--text-3); cursor: pointer; padding: 2px; border-radius: 4px; display: flex; align-items: center; justify-content: center; }
.tree-btn-del:hover { color: var(--danger); background: var(--danger-light); }
.tree-btn-del-sm { opacity: 0.5; padding: 4px; }
.tree-btn-del-sm:hover { opacity: 1; }

/* Read-only Banner */
.readonly-session-banner { display: flex; align-items: center; gap: 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); padding: 14px 20px; color: var(--text-2); margin-bottom: 20px; }
.readonly-session-banner svg { color: var(--primary); }
.ros-content { display: flex; flex-direction: column; gap: 2px; }
.ros-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
.ros-value { font-size: 0.95rem; font-weight: 700; color: var(--text); }

/* Exams List */
.exams-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 10px; }
.exam-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md); padding: 16px; transition: all 0.15s; position: relative; overflow: hidden; }
.exam-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--sh-sm); }
.exam-card.is-active { border-color: var(--primary); background: var(--primary-light); }
.exam-card.is-active::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); }
.exam-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 8px; }
.exam-card-title { font-size: 1rem; font-weight: 700; color: var(--text); padding-right: 20px; }
.exam-card-meta { font-size: 0.8rem; color: var(--text-3); display: flex; align-items: center; gap: 10px; }
.exam-card-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; border-top: 1px solid rgba(0,0,0,0.05); padding-top: 12px; }
.btn-set-active { font-size: 0.75rem; font-weight: 600; padding: 6px 12px; background: #fff; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; transition: all 0.15s; }
.btn-set-active:hover { color: var(--primary); border-color: var(--primary); }
.exam-card.is-active .btn-set-active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Class Keys List */
.class-keys-list { display: flex; flex-direction: column; gap: 8px; }
.ck-item { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; transition: all 0.15s; }
.ck-item:hover { border-color: var(--primary); background: #fff; }
.ck-item.ck-active { border-color: var(--success); background: var(--success-light); }
.ck-item.ck-editing { border-color: var(--primary); background: #eff6ff; }
.ck-item-main { display: flex; align-items: center; gap: 10px; }
.ck-item-label { font-size: 0.88rem; font-weight: 600; color: var(--text); }
.ck-item-meta { font-size: 0.75rem; color: var(--text-3); }
.ck-item-badge { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; }
.badge-active { background: var(--success); color: #fff; }
.badge-editing { background: var(--warning); color: #fff; }
.ck-item-del { color: var(--text-3); padding: 4px; cursor: pointer; border-radius: 4px; display: flex; align-items: center; justify-content: center; }
.ck-item-del:hover { background: var(--danger-light); color: var(--danger); }

/* Answer Key Editor */
.ke-empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 80px 20px; border: 1px dashed var(--border-2); border-radius: var(--r-lg); background: var(--bg); margin-top: 20px; }
.ke-empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: 0.5; }
.ke-empty-state h3 { font-family: 'Outfit', sans-serif; font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.ke-empty-state p { color: var(--text-2); font-size: 0.9rem; max-width: 320px; margin-bottom: 24px; line-height: 1.5; }

.ke-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; font-weight: 500; color: var(--text-2); margin-bottom: 20px; background: var(--bg); padding: 8px 12px; border-radius: var(--r-sm); border: 1px solid var(--border); }
.bc-sep { color: var(--text-3); }
.bc-leaf { font-weight: 700; color: var(--primary); }

.ke-save-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm); margin-bottom: 20px; }
.ke-btn-active { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--border); border-radius: var(--r-sm); padding: 8px 14px; font-size: 0.85rem; font-weight: 600; color: var(--text-2); cursor: pointer; transition: all 0.15s; }
.ke-btn-active:hover { border-color: var(--primary); color: var(--primary); }
.ke-btn-is-active { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

.ak-editor-header {
  display: flex; align-items: flex-start;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-bottom: 16px;
}
.ak-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }

.ak-progress-bar-wrap {
  display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.ak-progress-bar {
  flex: 1; height: 8px; background: #e2e8f0; border-radius: 99px; overflow: hidden;
}
.ak-progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 99px; transition: width .3s ease;
}
.ak-summary-text { font-size: 0.8rem; font-weight: 600; color: var(--text-2); white-space: nowrap; }

/* OMR Bubble Grid */
.ak-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.ak-column-block {
  background: #f8fafc; border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 10px 8px;
  display: flex; flex-direction: column; gap: 5px;
}

.ak-item {
  display: flex; align-items: center;
  border-bottom: 1px solid rgba(0,0,0,.04); padding-bottom: 5px;
  gap: 4px;
}
.ak-item:last-child { border-bottom: none; padding-bottom: 0; }
.ak-item label {
  font-size: 0.75rem; font-weight: 700; color: var(--text-2);
  width: 30px; flex-shrink: 0;
}

.bubble-options-wrap { display: flex; gap: 4px; align-items: center; }
.bubble-opt {
  width: 25px; height: 25px; border-radius: 50%;
  border: 1.5px solid var(--border);
  font-size: 0.72rem; font-weight: 800;
  color: var(--text-2); background: #fff;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .12s; padding: 0;
  line-height: 1; user-select: none;
}
.bubble-opt:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.bubble-opt.selected {
  background: var(--primary); border-color: var(--primary);
  color: #fff; box-shadow: 0 1px 4px rgba(37,99,235,.35);
}

/* ─── Run History ─────────────────────────────────────────── */
.state-msg { font-size: 0.9rem; color: var(--text-2); text-align: center; padding: 40px; }
.history-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.history-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 14px 16px;
  cursor: pointer; transition: all .2s; box-shadow: var(--sh-xs);
}
.history-item:hover { border-color: var(--primary); box-shadow: var(--sh-sm); transform: translateY(-2px); }
.history-item.active { border-color: var(--primary); background: var(--primary-light); }
.history-item-main { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.history-when { font-weight: 700; color: var(--text); font-size: 0.88rem; }
.history-mode { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; background: #dbeafe; color: #1e40af; border-radius: 99px; padding: 2px 8px; }
.history-item-meta { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--text-2); }
.history-fail   { color: var(--danger-hover); background: var(--danger-light); padding: 1px 6px; border-radius: 4px; }
.history-review { color: #b45309; background: var(--warning-light); padding: 1px 6px; border-radius: 4px; }

/* ─── Search Page ─────────────────────────────────────────── */
.search-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end; gap: 16px; margin-bottom: 20px;
}
.search-field-group { display: flex; flex-direction: column; gap: 5px; }
.search-results-header { margin-bottom: 12px; }

/* ─── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.55); backdrop-filter: blur(4px);
  z-index: 1000; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface); border-radius: var(--r-lg);
  padding: 28px 30px; max-width: 880px; width: 100%;
  max-height: 88vh; overflow-y: auto; position: relative;
  box-shadow: var(--sh-lg);
  animation: modalpop .22s cubic-bezier(.34,1.56,.64,1);
}
@keyframes modalpop { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; width: 32px; height: 32px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  color: var(--text-2); transition: all .15s;
}
.modal-close:hover { background: var(--danger-light); color: var(--danger); border-color: rgba(239,68,68,.2); }
.modal h3 {
  font-family: 'Outfit', sans-serif; font-size: 1.25rem; font-weight: 700;
  margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border);
}

/* Modal Identity */
.identity-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 14px;
  background: var(--bg); padding: 14px; border-radius: var(--r-sm); border: 1px solid var(--border);
  margin-bottom: 18px;
}
.identity-grid .lbl { font-size: 0.68rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }
.identity-grid .val { font-size: 0.9rem; font-weight: 700; color: var(--text); margin-top: 3px; word-break: break-all; overflow-wrap: break-word; }
.modal-checked-img { max-width: 100%; border-radius: var(--r-sm); border: 1px solid var(--border); margin: 14px 0; display: block; }
.q-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 7px; margin-top: 18px; }
.q-card { border-radius: var(--r-sm); padding: 9px 11px; font-size: 0.8rem; border: 1px solid var(--border); }
.q-card .qnum { font-weight: 800; font-size: 0.82rem; margin-bottom: 2px; }
.q-card .qdet { color: var(--text-2); font-size: 0.75rem; }
.q-correct  { background: var(--success-light); border-color: rgba(16,185,129,.25); }
.q-correct .qnum { color: var(--success-hover); }
.q-incorrect{ background: var(--danger-light); border-color: rgba(239,68,68,.25); }
.q-incorrect .qnum { color: var(--danger-hover); }
.q-unmarked { background: #f1f5f9; }

/* Banners */
.review-banner { background: var(--warning-light); border: 1px solid rgba(245,158,11,.2); color: #92400e; border-radius: var(--r-sm); padding: 12px 16px; margin-bottom: 14px; line-height: 1.45; }
.error-banner  { background: var(--danger-light);  border: 1px solid rgba(239,68,68,.2);  color: #991b1b; border-radius: var(--r-sm); padding: 12px 16px; margin-bottom: 14px; line-height: 1.45; }
.error-banner p, .review-banner p { margin-top: 5px; }
.err-label { font-weight: 700; font-size: 0.7rem; text-transform: uppercase; letter-spacing: .05em; display: inline-block; margin-right: 3px; }

/* Alert Dialog */
.alert-dialog { max-width: 460px; }
.alert-dialog.alert-warning h3 { color: var(--warning); }
.alert-dialog.alert-error h3 { color: var(--danger); }
.alert-lead { color: var(--text); margin-bottom: 12px; line-height: 1.5; font-weight: 500; }
.alert-file-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin: 10px 0; max-height: 36vh; overflow-y: auto; }
.alert-file-item { background: var(--danger-light); border: 1px solid rgba(239,68,68,.1); border-radius: var(--r-sm); padding: 11px 13px; }
.alert-file-name { font-weight: 700; margin-bottom: 3px; word-break: break-all; }
.alert-file-title { font-weight: 700; color: var(--danger-hover); margin-bottom: 5px; }
.alert-file-msg { color: #7f1d1d; font-size: 0.85rem; line-height: 1.4; margin-bottom: 5px; }
.alert-file-tip { color: #9a3412; background: #fff7ed; border: 1px solid #ffedd5; border-radius: 4px; padding: 7px 10px; font-size: 0.82rem; line-height: 1.4; margin-top: 7px; }
.alert-file-code { margin-top: 6px; font-size: 0.7rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; }
.alert-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; border-top: 1px solid var(--border); padding-top: 14px; }

/* Misc */
.batch-badge { font-family: ui-monospace, monospace; font-size: 0.75rem; color: var(--text-2); background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 5px 10px; }

/* No-key warning block */
.no-key-warning {
  display: flex; align-items: flex-start; gap: 14px;
  background: #fffbeb;
  border: 1.5px solid #fcd34d;
  border-radius: var(--r-md);
  padding: 16px;
  margin-bottom: 16px;
}
.nkw-icon { color: #d97706; margin-top: 1px; flex-shrink: 0; }
.nkw-body {
  flex: 1; display: flex; flex-direction: column; gap: 3px;
  font-size: 0.855rem;
}
.nkw-body strong { color: #92400e; font-weight: 700; }
.nkw-body span   { color: #b45309; line-height: 1.45; }
.nkw-btn {
  background: #d97706; color: #fff; border: none;
  border-radius: var(--r-sm); padding: 7px 14px;
  font-size: 0.82rem; font-weight: 600; cursor: pointer;
  white-space: nowrap; align-self: flex-start;
  transition: background .15s;
  flex-shrink: 0;
}
.nkw-btn:hover { background: #b45309; }

/* ─── Confirm Dialog ────────────────────────────────────── */
.confirm-dialog {
  max-width: 440px;
  text-align: center;
  padding: 32px 32px 26px;
}
.confirm-icon-wrap {
  width: 56px; height: 56px; border-radius: 50%;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
}
.confirm-icon-wrap.tone-primary  { background: var(--primary-light); color: var(--primary); }
.confirm-icon-wrap.tone-warning  { background: var(--warning-light); color: var(--warning); }
.confirm-icon-wrap.tone-danger   { background: var(--danger-light); color: var(--danger); }
.confirm-icon-wrap.tone-success  { background: var(--success-light); color: var(--success); }
.confirm-dialog h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem; font-weight: 700; margin-bottom: 10px;
  border-bottom: none; padding-bottom: 0;
}
#confirm-body {
  font-size: 0.88rem; color: var(--text-2);
  line-height: 1.6; margin-bottom: 22px;
}
#confirm-body strong { color: var(--text); }
#confirm-body .confirm-key-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-light); border: 1px solid #bfdbfe;
  color: #1e40af; border-radius: 99px;
  padding: 4px 14px; font-size: 0.85rem; font-weight: 700;
  margin: 6px 0; white-space: nowrap;
}
#confirm-body .confirm-meta {
  display: flex; flex-direction: column; gap: 4px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-sm); padding: 10px 14px;
  text-align: left; font-size: 0.82rem; margin-top: 10px;
}
#confirm-body .confirm-meta span { color: var(--text-2); }
#confirm-body .confirm-meta b { color: var(--text); }
.confirm-actions {
  display: flex; justify-content: center; gap: 10px; flex-wrap: wrap;
}
.confirm-actions .btn-primary-danger {
  background: var(--danger); box-shadow: 0 2px 6px rgba(239,68,68,.25);
}
.confirm-actions .btn-primary-danger:hover { background: var(--danger-hover); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .stat-cards-row { grid-template-columns: repeat(2, 1fr); }
  .dash-mid-row { grid-template-columns: 1fr; }
  .quick-nav-grid { grid-template-columns: repeat(4, 1fr); }
  .ak-grid { grid-template-columns: repeat(2, 1fr); }
  .keys-layout { grid-template-columns: 1fr; }
  .keys-library-panel { position: static; }
}

/* ─── Custom Input Styling ──────────────────────────────── */
input.field-input, select.field-input, textarea.field-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background-color: #fff;
  transition: all .2s;
}
input.field-input:focus, select.field-input:focus, textarea.field-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
  outline: none;
}
input.field-input:disabled, select.field-input:disabled, textarea.field-input:disabled {
  background-color: #f8fafc;
  cursor: not-allowed;
  opacity: 0.7;
}

select.field-input {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px !important;
  cursor: pointer;
}
select.field-input option {
  color: var(--text);
  padding: 8px;
}

@media (max-width: 900px) {
  .process-layout { grid-template-columns: 1fr; }
  .search-form-row { grid-template-columns: 1fr; }
  .quick-nav-grid { grid-template-columns: repeat(2, 1fr); }
  .keys-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .mobile-header { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close-btn { display: flex; }
  .main-wrapper { margin-left: 0; width: 100%; margin-top: 56px; }
  .app-header { display: none; }
  .content-body { padding: 16px; }
  .panel { padding: 16px; border-radius: var(--r-md); }
  .stat-cards-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 14px; }
  .stat-card-val { font-size: 1.5rem; }
  .dash-mid-row { grid-template-columns: 1fr; gap: 14px; }
  .quick-nav-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .nav-card { padding: 12px; gap: 10px; }
  .results-summary { grid-template-columns: repeat(3, 1fr); }
  .modal { padding: 18px 20px; }
  .identity-grid { grid-template-columns: 1fr 1fr; }
  .ak-grid { grid-template-columns: 1fr; }
  .search-form-row { grid-template-columns: 1fr; }
  .process-key-banner { flex-wrap: wrap; }
  .pkb-action { margin-top: 0; }
  .ak-editor-header { flex-direction: column; align-items: flex-start; }
  .table-toolbar { flex-direction: column; align-items: flex-start; }
  .search-input-wrap { min-width: 100%; }
}

@media (max-width: 480px) {
  .stat-cards-row { grid-template-columns: 1fr; }
  .quick-nav-grid { grid-template-columns: 1fr; }
  .results-summary { grid-template-columns: 1fr; }
}