/* ============================================================
   SM-AUDIT-SYSTEM | Design System v4.0 — Cloudflare version
============================================================ */
:root {
  --brand:        #E85D26;
  --brand-dark:   #C44A18;
  --brand-light:  #FFF0E9;
  --ink:          #111218;
  --ink-2:        #3D3F4E;
  --ink-3:        #7B7D8D;
  --surface:      #F5F5F8;
  --card:         #FFFFFF;
  --border:       #E4E4EA;

  --pass:         #17B26A;  --pass-bg:  #ECFDF3;
  --fail:         #F04438;  --fail-bg:  #FEF3F2;
  --warn:         #F79009;  --warn-bg:  #FFFAEB;
  --na:           #6B7280;  --na-bg:    #F3F4F6;
  --info:         #2563EB;  --info-bg:  #EFF6FF;

  --ncr-critical: #F04438;  --ncr-critical-bg: #FEF3F2;
  --ncr-normal:   #F79009;  --ncr-normal-bg:   #FFFAEB;
  --ncr-improve:  #2563EB;  --ncr-improve-bg:  #EFF6FF;

  --status-open:       #F79009;  --status-open-bg:       #FFFAEB;
  --status-progress:   #2563EB;  --status-progress-bg:   #EFF6FF;
  --status-done:       #17B26A;  --status-done-bg:       #ECFDF3;
  --status-overdue:    #F04438;  --status-overdue-bg:    #FEF3F2;
  --status-extended:   #7C3AED;  --status-extended-bg:   #F5F3FF;

  --radius-sm: 8px;  --radius-md: 12px;
  --radius-lg: 16px; --radius-xl: 24px;

  --shadow-sm:    0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:    0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-brand: 0 4px 20px rgba(232,93,38,.28);

  --font: 'Be Vietnam Pro', sans-serif;
  --t:    all .18s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--surface);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }

.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 34px; height: 34px; background: var(--brand);
  border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.logo-mark svg { width: 20px; height: 20px; }
.logo-text strong { display: block; font-size: 14px; font-weight: 700; }
.logo-text span   { font-size: 11px; color: var(--ink-3); font-weight: 500; }
.badge-version {
  font-size: 11px; font-weight: 600; color: var(--brand);
  background: var(--brand-light); padding: 3px 8px; border-radius: 20px;
}
.page-wrap { max-width: 720px; margin: 0 auto; padding: 20px 16px 100px; }
@media (min-width: 768px) { .page-wrap { padding: 28px 24px 100px; } }

.progress-bar-wrap {
  position: sticky; top: 57px; z-index: 90;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 10px 16px; margin-bottom: 20px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-sm);
}
.progress-track { flex: 1; height: 6px; background: var(--border); border-radius: 99px; overflow: hidden; }
.progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand-dark));
  border-radius: 99px; transition: width .4s cubic-bezier(.4,0,.2,1); width: 0%;
}
.progress-stats { display: flex; gap: 8px; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.stat-chip { display: flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 99px; }
.stat-chip.pass  { color: var(--pass);  background: var(--pass-bg); }
.stat-chip.fail  { color: var(--fail);  background: var(--fail-bg); }
.stat-chip.na    { color: var(--na);    background: var(--na-bg); }
.stat-chip.pct   { color: var(--brand); background: var(--brand-light); }

.info-card {
  background: var(--card); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  overflow: hidden; margin-bottom: 20px;
}
.info-card-header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  padding: 20px; color: white;
}
.info-card-header h1 { font-size: 20px; font-weight: 800; letter-spacing: -.01em; margin-bottom: 4px; }
.info-card-header p  { font-size: 13px; opacity: .65; }
.info-card-body { padding: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.info-card-body .span-full { grid-column: 1 / -1; }
@media (max-width: 480px) { .info-card-body { grid-template-columns: 1fr; } }

.field-group label {
  display: block; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-3); margin-bottom: 6px;
}
.field-group input, .field-group select, .field-group textarea {
  width: 100%; padding: 10px 12px;
  font-family: var(--font); font-size: 14px; font-weight: 500; color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); transition: var(--t);
  appearance: none; -webkit-appearance: none;
}
.field-group input:focus, .field-group select:focus, .field-group textarea:focus {
  outline: none; border-color: var(--brand); background: white;
  box-shadow: 0 0 0 3px rgba(232,93,38,.1);
}
.field-group textarea { resize: vertical; min-height: 64px; }
.select-wrap { position: relative; }
.select-wrap::after {
  content: ''; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  width: 0; height: 0; border-left: 5px solid transparent;
  border-right: 5px solid transparent; border-top: 5px solid var(--ink-3); pointer-events: none;
}
.ma-phien-display {
  font-size: 12px; font-weight: 600; color: var(--ink-3);
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 10px 12px;
  font-family: 'Courier New', monospace; letter-spacing: .03em;
}
.section-header {
  display: flex; align-items: center; gap: 12px; margin: 28px 0 12px;
}
.section-icon {
  width: 36px; height: 36px; background: var(--brand-light);
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; font-size: 18px;
}
.section-title { font-size: 15px; font-weight: 700; color: var(--ink); }
.section-badge {
  margin-left: auto; font-size: 11px; font-weight: 600;
  color: var(--ink-3); background: var(--border); padding: 2px 8px; border-radius: 99px;
}
.item-card {
  background: var(--card); border-radius: var(--radius-md);
  border: 1.5px solid var(--border); box-shadow: var(--shadow-sm);
  margin-bottom: 10px; overflow: hidden; transition: var(--t);
}
.item-card.state-pass { border-color: var(--pass); }
.item-card.state-fail { border-color: var(--fail); }
.item-card.state-na   { border-color: #d1d5db; }
.item-card.state-fix  { border-color: var(--warn); }
.item-card-head {
  padding: 14px 16px; display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer; user-select: none;
}
.item-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface); border: 1.5px solid var(--border);
  font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--ink-3); transition: var(--t);
}
.state-pass .item-num { background: var(--pass); border-color: var(--pass); color: white; }
.state-fail .item-num { background: var(--fail); border-color: var(--fail); color: white; }
.state-na   .item-num { background: #9ca3af;     border-color: #9ca3af;    color: white; }
.state-fix  .item-num { background: var(--warn); border-color: var(--warn); color: white; }
.item-info { flex: 1; min-width: 0; }
.item-title    { font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.item-standard { font-size: 12px; color: var(--ink-3); margin-top: 3px; }
.item-status-chip {
  flex-shrink: 0; font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 99px;
  background: var(--surface); color: var(--ink-3); border: 1.5px solid var(--border); white-space: nowrap;
}
.state-pass .item-status-chip { background: var(--pass-bg); color: var(--pass); border-color: var(--pass); }
.state-fail .item-status-chip { background: var(--fail-bg); color: var(--fail); border-color: var(--fail); }
.state-na   .item-status-chip { background: var(--na-bg);   color: var(--na);   border-color: #d1d5db; }
.state-fix  .item-status-chip { background: var(--warn-bg); color: var(--warn); border-color: var(--warn); }
.item-detail {
  border-top: 1px solid var(--border); padding: 14px 16px;
  display: none; flex-direction: column; gap: 12px; background: #fafafa;
}
.item-detail.open { display: flex; }
.verdict-row { display: flex; gap: 8px; }
.verdict-btn {
  flex: 1; padding: 10px 4px; border: 2px solid var(--border);
  border-radius: var(--radius-sm); background: white;
  font-family: var(--font); font-size: 13px; font-weight: 700; color: var(--ink-3);
  cursor: pointer; transition: var(--t);
  display: flex; align-items: center; justify-content: center; gap: 6px; line-height: 1;
}
.verdict-btn:active         { transform: scale(.96); }
.verdict-btn.active-pass    { border-color: var(--pass); background: var(--pass-bg); color: var(--pass); }
.verdict-btn.active-fail    { border-color: var(--fail); background: var(--fail-bg); color: var(--fail); }
.verdict-btn.active-na      { border-color: #9ca3af; background: var(--na-bg); color: var(--na); }
.verdict-btn .icon          { font-size: 15px; }
.fix-toggle-wrap {
  display: flex; align-items: center; gap: 10px;
  background: var(--warn-bg); border: 1.5px solid var(--warn);
  border-radius: var(--radius-sm); padding: 10px 12px; cursor: pointer;
}
.toggle-switch {
  width: 36px; height: 20px; border-radius: 99px;
  background: #d1d5db; position: relative; transition: var(--t); flex-shrink: 0;
}
.toggle-switch.on { background: var(--warn); }
.toggle-switch::after {
  content: ''; position: absolute; width: 16px; height: 16px;
  background: white; border-radius: 50%; top: 2px; left: 2px; transition: var(--t);
}
.toggle-switch.on::after { left: 18px; }
.fix-toggle-label { font-size: 13px; font-weight: 600; color: var(--ink-2); flex: 1; }
.fix-options {
  display: none; flex-direction: column; gap: 10px;
  background: white; border: 1.5px solid var(--warn);
  border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 12px; margin-top: -2px;
}
.fix-options.open { display: flex; }
.fix-row { display: flex; gap: 10px; }
.fix-row .field-group { flex: 1; }
.ncr-type-row { display: flex; gap: 8px; }
.ncr-type-btn {
  flex: 1; padding: 8px 4px; border: 2px solid var(--border);
  border-radius: var(--radius-sm); background: white;
  font-family: var(--font); font-size: 12px; font-weight: 700; color: var(--ink-3);
  cursor: pointer; transition: var(--t); text-align: center;
}
.ncr-type-btn.active-critical { border-color: var(--ncr-critical); background: var(--ncr-critical-bg); color: var(--ncr-critical); }
.ncr-type-btn.active-normal   { border-color: var(--ncr-normal);   background: var(--ncr-normal-bg);   color: var(--ncr-normal); }
.ncr-type-btn.active-improve  { border-color: var(--ncr-improve);  background: var(--ncr-improve-bg);  color: var(--ncr-improve); }
.photo-section  { display: flex; flex-direction: column; gap: 8px; }
.photo-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--ink-3); display: flex; align-items: center; gap: 6px;
}
.photo-required {
  font-size: 10px; color: var(--fail); background: var(--fail-bg);
  padding: 1px 6px; border-radius: 99px; font-weight: 600;
  text-transform: none; letter-spacing: 0;
}
.photo-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-sm);
  padding: 12px; text-align: center; cursor: pointer;
  position: relative; overflow: hidden; transition: var(--t); background: white;
}
.photo-zone:hover { border-color: var(--brand); background: var(--brand-light); }
.photo-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%;
}
.photo-zone-inner {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--brand); font-size: 13px; font-weight: 600; pointer-events: none;
}
.photo-previews { display: flex; gap: 8px; flex-wrap: wrap; }
.preview-thumb {
  position: relative; width: 72px; height: 72px;
  border-radius: var(--radius-sm); overflow: hidden;
  border: 2px solid var(--border); flex-shrink: 0;
}
.preview-thumb img { width: 100%; height: 100%; object-fit: cover; }
.preview-thumb .remove-btn {
  position: absolute; top: 2px; right: 2px;
  width: 18px; height: 18px; background: rgba(0,0,0,.65);
  color: white; border-radius: 50%; font-size: 11px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; border: none; line-height: 1;
}
.warn-photo { font-size: 11px; color: var(--fail); font-weight: 600; display: none; align-items: center; gap: 4px; }
.warn-photo.visible { display: flex; }
.ncr-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 99px;
}
.ncr-badge.CRITICAL   { background: var(--ncr-critical-bg); color: var(--ncr-critical); }
.ncr-badge.NORMAL     { background: var(--ncr-normal-bg);   color: var(--ncr-normal); }
.ncr-badge.IMPROVEMENT{ background: var(--ncr-improve-bg);  color: var(--ncr-improve); }
.status-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 99px;
}
.status-badge.OPEN        { background: var(--status-open-bg);     color: var(--status-open); }
.status-badge.IN_PROGRESS { background: var(--status-progress-bg); color: var(--status-progress); }
.status-badge.DONE        { background: var(--status-done-bg);     color: var(--status-done); }
.status-badge.OVERDUE     { background: var(--status-overdue-bg);  color: var(--status-overdue); }
.status-badge.EXTENDED    { background: var(--status-extended-bg); color: var(--status-extended); }
.countdown-chip {
  font-size: 12px; font-weight: 700; font-family: 'Courier New', monospace;
  padding: 3px 10px; border-radius: 99px; display: inline-block;
}
.countdown-chip.on-track { background: var(--pass-bg);  color: var(--pass); }
.countdown-chip.warning  { background: var(--warn-bg);  color: var(--warn); }
.countdown-chip.critical { background: var(--fail-bg);  color: var(--fail); animation: pulse 1s infinite; }
.countdown-chip.overdue  { background: var(--fail-bg);  color: var(--fail); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.6} }
.submit-section {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,.95); backdrop-filter: blur(16px);
  border-top: 1px solid var(--border); padding: 12px 16px; z-index: 200;
}
.submit-inner { max-width: 720px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }
.summary-mini .pct    { font-size: 20px; font-weight: 800; color: var(--brand); line-height: 1; }
.summary-mini .counts { font-size: 11px; color: var(--ink-3); font-weight: 500; margin-top: 2px; }
.btn-submit {
  padding: 14px 28px; background: var(--brand); color: white; border: none;
  border-radius: var(--radius-md); font-family: var(--font); font-size: 15px; font-weight: 700;
  cursor: pointer; box-shadow: var(--shadow-brand); transition: var(--t);
  display: flex; align-items: center; gap: 8px; white-space: nowrap;
}
.btn-submit:hover  { background: var(--brand-dark); transform: translateY(-1px); }
.btn-submit:active { transform: scale(.97); }
.btn-submit:disabled { background: var(--border); color: var(--ink-3); box-shadow: none; cursor: not-allowed; transform: none; }
.btn-secondary {
  padding: 12px 20px; background: white; color: var(--ink-2); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); font-family: var(--font); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: var(--t);
}
.btn-secondary:hover { border-color: var(--brand); color: var(--brand); }
.spinner-ring {
  width: 44px; height: 44px; border: 3px solid var(--border);
  border-top-color: var(--brand); border-radius: 50%;
  animation: spin .8s linear infinite;
}
.btn-spinner {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4);
  border-top-color: white; border-radius: 50%;
  animation: spin .7s linear infinite; display: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
#loadingScreen {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-height: 60vh; gap: 16px;
}
#successOverlay {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(17,18,24,.7); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 24px;
}
#successOverlay.show { display: flex; }
.success-card {
  background: white; border-radius: var(--radius-xl); padding: 32px 28px;
  max-width: 400px; width: 100%; text-align: center;
  box-shadow: 0 24px 64px rgba(0,0,0,.2);
  animation: popIn .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popIn { from{transform:scale(.85);opacity:0} to{transform:scale(1);opacity:1} }
.success-icon {
  width: 72px; height: 72px; border-radius: 50%; background: var(--pass-bg);
  color: var(--pass); font-size: 36px;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.success-card h2 { font-size: 22px; font-weight: 800; margin-bottom: 8px; }
.success-card p  { font-size: 14px; color: var(--ink-3); line-height: 1.6; }
.success-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin: 20px 0; }
.success-stat { background: var(--surface); border-radius: var(--radius-sm); padding: 10px 6px; }
.success-stat .val { font-size: 22px; font-weight: 800; }
.success-stat .lbl { font-size: 11px; color: var(--ink-3); font-weight: 500; margin-top: 2px; }
.success-stat.pass .val { color: var(--pass); }
.success-stat.fail .val { color: var(--fail); }
.success-stat.pct  .val { color: var(--brand); }
.btn-full { width: 100%; padding: 14px; border: none; border-radius: var(--radius-md); font-family: var(--font); font-size: 15px; font-weight: 700; cursor: pointer; margin-top: 8px; }
.btn-full.brand   { background: var(--brand); color: white; }
.btn-full.outline { background: white; color: var(--ink-2); border: 1.5px solid var(--border); }
#toast {
  position: fixed; bottom: 90px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: white; padding: 10px 20px;
  border-radius: 99px; font-size: 13px; font-weight: 600;
  z-index: 999; opacity: 0; transition: all .3s ease;
  pointer-events: none; white-space: nowrap; max-width: 90vw;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.text-muted { color: var(--ink-3); font-size: 13px; }