:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --border: #e6e9f1;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #0ea5e9;
  --primary-2: #2563eb;
  --primary-dark: #0284c7;
  --green: #10b981;
  --amber: #f59e0b;
  --orange: #f97316;
  --red: #ef4444;
  --shadow: 0 1px 2px rgba(15,23,42,0.04), 0 8px 24px rgba(15,23,42,0.06);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  background: linear-gradient(120deg, #0b1220 0%, #16233f 60%, #1e293b 100%);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { display: inline-flex; }
.topbar h1 { margin: 0; font-size: 17px; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.sub { margin: 0; color: #94a3b8; font-size: 12.5px; }
.badge {
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(14,165,233,0.14);
  color: #7dd3fc;
  border: 1px solid rgba(14,165,233,0.3);
  white-space: nowrap;
}
.badge.warn { background: rgba(245,158,11,0.14); color: #fcd34d; border-color: rgba(245,158,11,0.3); }

main { max-width: 960px; margin: 28px auto; padding: 0 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

h2 { font-size: 15px; font-weight: 700; margin: 26px 0 10px; letter-spacing: -0.01em; }
.card > h2:first-child { margin-top: 0; }
.hint { font-weight: 500; color: var(--muted); font-size: 12px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], textarea {
  width: 100%;
  margin-top: 5px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  transition: border-color .15s, box-shadow .15s;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="password"]:focus, input[type="date"]:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}
textarea { resize: vertical; }

.checks { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.checks label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.checks input { cursor: pointer; accent-color: var(--primary); }

.evidence-ctrls { display: flex; gap: 10px; flex-wrap: wrap; }
.gallery { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; min-height: 20px; }
.gallery .item { position: relative; }
.gallery img { width: 120px; height: 84px; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); display: block; }
.gallery .cap { font-size: 11px; color: var(--muted); text-align: center; margin-top: 3px; }
.gallery .del {
  position: absolute; top: -7px; right: -7px;
  width: 21px; height: 21px; border-radius: 50%;
  border: 2px solid #fff; background: var(--red); color: #fff;
  font-size: 13px; line-height: 17px; cursor: pointer;
}

.actions { display: flex; align-items: center; gap: 14px; margin-top: 22px; }

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: inherit;
  transition: transform .06s ease, box-shadow .15s, background .15s, border-color .15s;
}
.btn-primary {
  background: linear-gradient(135deg, #06b6d4 0%, #2563eb 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,235,0.28);
}
.btn-primary:hover { box-shadow: 0 6px 18px rgba(37,99,235,0.34); }
.btn-primary:active { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f1f5f9; border-color: #cbd5e1; }
.btn-secondary:disabled { opacity: 0.5; cursor: not-allowed; }

.hidden { display: none !important; }

/* Report */
.report-toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.report-doc { font-size: 14px; color: var(--text); }
.report-doc .doc-head { border-bottom: 2px solid var(--text); padding-bottom: 10px; margin-bottom: 16px; }
.report-doc .doc-head h2 { margin: 0 0 4px; font-size: 20px; }
.report-doc .doc-head .meta-line { color: var(--muted); font-size: 13px; }
.report-doc .cond-badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-weight: 700; font-size: 13px; color: #fff; margin: 10px 0;
}
.cond-good { background: var(--green); }
.cond-fair { background: var(--amber); }
.cond-poor { background: var(--orange); }
.cond-critical { background: var(--red); }

.report-doc h3 { font-size: 15px; margin: 18px 0 8px; border-left: 4px solid var(--primary); padding-left: 8px; }

.report-doc table { width: 100%; border-collapse: collapse; font-size: 13px; }
.report-doc th, .report-doc td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; vertical-align: top; }
.report-doc th { background: #f1f5f9; }

.sev { font-weight: 700; }
.sev-minor { color: var(--amber); }
.sev-moderate { color: var(--orange); }
.sev-major { color: var(--red); }
.sev-critical { color: var(--red); }

.report-doc ul { margin: 6px 0; padding-left: 20px; }
.disclaimer-box {
  background: #fff7ed; border: 1px solid #fed7aa; border-radius: 10px;
  padding: 10px 14px; font-size: 12px; color: #9a3412; margin-top: 16px;
}
.evidence-block { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.evidence-block figure { margin: 0; }
.evidence-block img { width: 180px; border: 1px solid var(--border); border-radius: 10px; }
.evidence-block figcaption { font-size: 11px; color: var(--muted); margin-top: 4px; }
.signature-line { margin-top: 28px; display: flex; gap: 40px; }
.signature-line div { flex: 1; border-top: 1px solid var(--text); padding-top: 6px; font-size: 13px; color: var(--muted); }

/* Format selector */
.format-label { display: inline-flex; flex-direction: column; font-size: 13px; font-weight: 600; color: var(--muted); }
select {
  margin-top: 5px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: var(--text);
  cursor: pointer;
}
select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(14,165,233,0.15); }

/* Report format variants */
.brief-list { padding-left: 20px; margin: 6px 0; }
.brief-list li { margin-bottom: 6px; }
.finding-block { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 1px dashed var(--border); }
.finding-block:last-child { border-bottom: none; }
.finding-block h4 { margin: 0 0 4px; font-size: 14px; }
.finding-block p { margin: 4px 0; }
.check-list { list-style: none; padding: 0; margin: 6px 0; }
.check-item { padding: 8px 0; border-bottom: 1px solid var(--border); }
.check-item:last-child { border-bottom: none; }
.check-item .box { font-size: 16px; color: var(--primary); margin-right: 4px; }
.check-note { margin: 3px 0 0 20px; font-size: 13px; color: var(--muted); }

/* Auth panel */
.auth-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-top: 8px; }
.auth-row input { flex: 1 1 160px; margin-top: 0; }
.auth-status { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.auth-who { font-weight: 600; }
.plan-badge { display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: #eef2ff; color: var(--primary-2); border: 1px solid #dbe3ff; }
.plan-badge.warn { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.activate-area { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.activate-area input { flex: 1 1 180px; margin-top: 0; }
.activate-area .btn-secondary { text-decoration: none; }

/* Branding */
.branding-row { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; }
.branding-row > label:first-child { flex: 1 1 200px; }
.logo-preview { width: 48px; height: 48px; object-fit: contain; border: 1px solid var(--border); border-radius: 8px; background: #fff; }

/* Report branding header */
.brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.brand-logo { height: 44px; width: auto; object-fit: contain; }
.brand-name { font-size: 17px; font-weight: 700; }

/* History */
.history-list { display: flex; flex-direction: column; gap: 10px; }
.history-item { display: flex; justify-content: space-between; gap: 14px; padding: 12px; border: 1px solid var(--border); border-radius: 10px; }
.history-main { flex: 1; min-width: 0; }
.history-main .hint { display: block; margin-top: 2px; }
.history-main .small { font-size: 11px; }
.history-actions { display: flex; gap: 8px; align-items: flex-start; flex-shrink: 0; }
.btn-secondary.danger { color: var(--red); border-color: #fecaca; }
.btn-secondary.danger:hover { background: #fef2f2; }

/* Table scroll on small screens */
.table-wrap { overflow-x: auto; }

footer { max-width: 960px; margin: 0 auto 40px; padding: 0 16px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .topbar h1 { font-size: 15px; }
  .sub { display: none; }
  main { margin: 16px auto; }
  .card { padding: 16px; border-radius: 12px; }
  .actions { flex-direction: column; align-items: stretch; }
  .signature-line { flex-direction: column; gap: 16px; }
  .report-doc .doc-head h2 { font-size: 18px; }
  .evidence-block img { width: 100%; }
  .history-item { flex-direction: column; }
}

@media print {
  .topbar, #authPanel, #formPanel, #historyPanel, .report-toolbar, footer { display: none !important; }
  body { background: #fff; }
  main { max-width: none; margin: 0; padding: 0; }
  #reportPanel { display: block !important; border: none; box-shadow: none; padding: 0; margin: 0; background: #fff; }
}