/* ===== 意定监护协议生成器 · 公函信封风 ===== */
.gab {
  --gab-blue: #1E40AF;
  --gab-blue-dark: #1E3A8A;
  --gab-blue-50: #EFF6FF;
  --gab-blue-100: #DBEAFE;
  --gab-blue-200: #BFDBFE;
  --gab-red: #DC2626;
  --gab-red-dark: #B91C1C;
  --gab-red-50: #FEF2F2;
  --gab-gold: #B8860B;
  --gab-ink: #1F2937;
  --gab-paper: #FDFCF7;
  --gab-paper-line: #E5E7EB;
  --gab-border: #D1D5DB;
  --gab-muted: #6B7280;
  --gab-shadow: 0 4px 16px rgba(30, 64, 175, 0.08);
}

:root[data-theme="dark"] .gab {
  --gab-blue: #60A5FA;
  --gab-blue-dark: #3B82F6;
  --gab-blue-50: #1E3A8A33;
  --gab-blue-100: #1E40AF44;
  --gab-blue-200: #3B82F655;
  --gab-red: #F87171;
  --gab-red-dark: #EF4444;
  --gab-red-50: #7F1D1D44;
  --gab-gold: #FBBF24;
  --gab-ink: #E5E7EB;
  --gab-paper: #0F172A;
  --gab-paper-line: #334155;
  --gab-border: #475569;
  --gab-muted: #94A3B8;
  --gab-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.gab-wrap { max-width: 960px; margin: 0 auto; padding: 24px 16px; }

/* ===== Hero：公函信封 ===== */
.gab-hero {
  position: relative;
  text-align: center;
  padding: 48px 24px 40px;
  margin-bottom: 28px;
  background: linear-gradient(135deg, var(--gab-blue-50), #ffffff 70%);
  border: 1px solid var(--gab-blue-100);
  border-radius: 12px;
  overflow: hidden;
}
:root[data-theme="dark"] .gab-hero { background: linear-gradient(135deg, var(--gab-blue-50), #0F172A 70%); }

.gab-envelope {
  position: absolute; top: 12px; right: 16px; width: 64px; height: 44px;
  border: 2px solid var(--gab-blue); border-radius: 4px; opacity: 0.55;
}
.gab-envelope::before {
  content: ""; position: absolute; top: 0; left: 0;
  border-left: 30px solid transparent; border-right: 30px solid transparent;
  border-top: 22px solid var(--gab-blue);
}
.gab-stamp {
  position: absolute; top: 14px; left: 16px;
  width: 44px; height: 44px; border: 2px dashed var(--gab-red);
  border-radius: 6px; color: var(--gab-red); font-size: 13px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; letter-spacing: 2px; transform: rotate(-12deg);
}

.gab-badge {
  display: inline-block; padding: 6px 14px; margin-bottom: 14px;
  background: var(--gab-blue); color: #fff; border-radius: 4px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
}
.gab-hero h1 {
  font-size: 30px; font-weight: 800; color: var(--gab-ink);
  margin: 6px 0 12px; letter-spacing: 1px;
}
.gab-hero h1 i { color: var(--gab-blue); font-style: normal; margin-left: 6px; }
.gab-hero p {
  max-width: 680px; margin: 0 auto; font-size: 15px;
  color: var(--gab-muted); line-height: 1.75;
}
.gab-hero p em { color: var(--gab-blue); font-style: normal; font-weight: 600; }

/* ===== 卡片通用 ===== */
.gab-card {
  background: #fff; border: 1px solid var(--gab-border);
  border-radius: 10px; padding: 24px; margin-bottom: 24px;
  box-shadow: var(--gab-shadow);
}
:root[data-theme="dark"] .gab-card { background: #1E293B; }
.gab-card h2 {
  font-size: 18px; font-weight: 700; color: var(--gab-ink);
  margin: 0 0 18px; display: flex; align-items: center; gap: 10px;
  padding-bottom: 10px; border-bottom: 2px solid var(--gab-blue);
}
.gab-card h2 span {
  font-size: 12px; font-weight: 400; color: var(--gab-muted);
  padding: 2px 8px; background: var(--gab-blue-50); border-radius: 3px;
  margin-left: auto; border-bottom: none;
}

/* ===== 表单组 ===== */
.gab-group { margin-bottom: 20px; }
.gab-group-title {
  font-size: 14px; font-weight: 700; color: var(--gab-blue);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.gab-hint {
  font-size: 12px; font-weight: 400; color: var(--gab-muted);
}
.gab-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--gab-ink); margin-bottom: 6px;
}
.gab-row2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.gab-field { display: block; }
.gab-input {
  width: 100%; padding: 10px 12px; font-size: 14px;
  color: var(--gab-ink); background: #fff;
  border: 1px solid var(--gab-border); border-radius: 4px;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.gab-input:focus {
  outline: none; border-color: var(--gab-blue);
  box-shadow: 0 0 0 3px var(--gab-blue-100);
}
.gab-select { appearance: auto; }
:root[data-theme="dark"] .gab-input { background: #0F172A; }
:root[data-theme="dark"] .gab-input:focus { box-shadow: 0 0 0 3px var(--gab-blue-200); }

/* ===== 切换 ===== */
.gab-toggle {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-size: 14px; color: var(--gab-ink); font-weight: 500;
}
.gab-toggle input { accent-color: var(--gab-blue); width: 16px; height: 16px; }
.gab-sub {
  padding: 14px 16px; margin-top: 10px;
  background: var(--gab-blue-50); border-radius: 6px; border-left: 3px solid var(--gab-blue);
}

/* ===== 权限卡片 ===== */
.gab-perms { display: grid; gap: 10px; }
.gab-perm {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px;
  border: 1px solid var(--gab-border); border-radius: 6px; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.gab-perm:hover { border-color: var(--gab-blue); }
.gab-perm input { accent-color: var(--gab-blue); width: 16px; height: 16px; margin-top: 3px; flex-shrink: 0; }
.gab-perm-icon { font-size: 22px; flex-shrink: 0; }
.gab-perm-body b { display: block; font-size: 14px; font-weight: 700; color: var(--gab-ink); margin-bottom: 3px; }
.gab-perm-body small { font-size: 12px; color: var(--gab-muted); line-height: 1.5; }
.gab-perm input:checked + .gab-perm-icon + .gab-perm-body b { color: var(--gab-blue); }

/* ===== 生效条件 ===== */
.gab-conds { display: grid; grid-template-columns: 1fr; gap: 8px; }
.gab-cond {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  border: 1px solid var(--gab-border); border-radius: 6px;
  font-size: 14px; color: var(--gab-ink); cursor: pointer;
  transition: all 0.15s;
}
.gab-cond:hover { border-color: var(--gab-blue); }
.gab-cond.on {
  border-color: var(--gab-blue); background: var(--gab-blue-50);
}
.gab-cond b { color: var(--gab-blue); }
.gab-cond-dot { color: var(--gab-red); font-weight: 700; flex-shrink: 0; }

/* ===== 按钮 ===== */
.gab-row {
  display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px;
}
.gab-btn {
  padding: 11px 22px; font-size: 14px; font-weight: 600;
  border: none; border-radius: 4px; cursor: pointer;
  transition: all 0.15s; font-family: inherit;
}
.gab-btn-go {
  background: var(--gab-blue); color: #fff;
  box-shadow: 0 2px 6px rgba(30, 64, 175, 0.3);
}
.gab-btn-go:hover { background: var(--gab-blue-dark); transform: translateY(-1px); }
.gab-btn-ghost {
  background: #fff; color: var(--gab-blue); border: 1px solid var(--gab-blue);
}
.gab-btn-ghost:hover { background: var(--gab-blue-50); }
:root[data-theme="dark"] .gab-btn-ghost { background: #0F172A; }

/* ===== Summary 占位 ===== */
.gab-summary { }
.gab-summary-ph {
  padding: 20px; text-align: center;
  background: var(--gab-blue-50); border-radius: 8px;
  border: 1px dashed var(--gab-blue-200);
}
.gab-ph-icon { font-size: 40px; margin-bottom: 8px; }
.gab-summary-ph p {
  font-size: 14px; color: var(--gab-muted); line-height: 1.8;
}
.gab-summary-ph b { color: var(--gab-blue); }

/* ===== 输出区 ===== */
.gab-section { margin-bottom: 28px; }
.gab-section h3 {
  font-size: 16px; font-weight: 700; color: var(--gab-ink);
  margin: 0 0 14px; display: flex; align-items: center; gap: 8px;
}

/* ===== A4 公函纸张 ===== */
.gab-paper {
  background: var(--gab-paper); color: var(--gab-ink);
  border: 2px solid var(--gab-ink);
  padding: 40px 48px;
  font-family: "SimSun", "Songti SC", "Noto Serif CJK SC", serif;
  font-size: 15px; line-height: 2;
  position: relative;
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
:root[data-theme="dark"] .gab-paper { box-shadow: 0 6px 20px rgba(0,0,0,0.4); }
.gab-paper::before {
  content: ""; position: absolute; inset: 6px;
  border: 1px solid var(--gab-ink); pointer-events: none; opacity: 0.3;
}
.gab-paper-title {
  text-align: center; font-size: 22px; font-weight: 800;
  letter-spacing: 8px; margin-bottom: 28px; color: var(--gab-ink);
  padding-bottom: 12px; border-bottom: 2px solid var(--gab-ink);
}
.gab-paper .gab-clause {
  text-indent: 2em; margin-bottom: 14px; text-align: justify;
}
.gab-paper .gab-clause b {
  color: var(--gab-red); font-weight: 700;
}
.gab-paper .gab-signs {
  margin-top: 32px; display: flex; justify-content: space-between;
  font-size: 14px;
}
.gab-paper .gab-signs > div { text-align: center; width: 200px; }
.gab-paper .gab-signs .gab-sign-line {
  border-bottom: 1px solid var(--gab-ink); height: 28px; margin: 4px 0;
}
.gab-paper .gab-signs small { color: var(--gab-muted); }
.gab-paper .gab-seal {
  position: absolute; bottom: 60px; right: 48px;
  width: 84px; height: 84px; border: 3px solid var(--gab-red);
  border-radius: 8px; color: var(--gab-red);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; line-height: 1.2;
  transform: rotate(-15deg); opacity: 0.85;
}
.gab-paper .gab-seal b { font-size: 14px; }

/* ===== 条款说明 ===== */
.gab-clauses { display: grid; gap: 10px; }
.gab-clause-card {
  border: 1px solid var(--gab-border); border-radius: 6px;
  overflow: hidden; background: #fff;
}
:root[data-theme="dark"] .gab-clause-card { background: #0F172A; }
.gab-clause-q {
  padding: 10px 14px; font-size: 14px; font-weight: 700;
  color: var(--gab-blue); background: var(--gab-blue-50);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
}
.gab-clause-q::after {
  content: "＋"; font-size: 16px; color: var(--gab-muted);
  transition: transform 0.15s;
}
.gab-clause-card.open .gab-clause-q::after { transform: rotate(45deg); }
.gab-clause-a {
  padding: 12px 14px; font-size: 13px; color: var(--gab-ink);
  line-height: 1.75; border-top: 1px solid var(--gab-border); display: none;
}
.gab-clause-card.open .gab-clause-a { display: block; }

/* ===== 材料清单 ===== */
.gab-docs {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
}
.gab-doc {
  padding: 12px 14px; border: 1px solid var(--gab-border);
  border-radius: 6px; font-size: 13px; color: var(--gab-ink);
  display: flex; align-items: center; gap: 10px; background: #fff;
}
:root[data-theme="dark"] .gab-doc { background: #0F172A; }
.gab-doc input { accent-color: var(--gab-blue); width: 16px; height: 16px; }
.gab-doc b { color: var(--gab-blue); font-weight: 600; }

/* ===== 生效撤销变更三栏 ===== */
.gab-three {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
}
.gab-three-card {
  padding: 18px; border: 1px solid var(--gab-border);
  border-radius: 8px; background: #fff;
  border-top: 3px solid var(--gab-blue);
}
:root[data-theme="dark"] .gab-three-card { background: #0F172A; }
.gab-three-card:nth-child(2) { border-top-color: var(--gab-red); }
.gab-three-card:nth-child(3) { border-top-color: var(--gab-gold); }
.gab-three-card b {
  display: block; font-size: 15px; font-weight: 700;
  color: var(--gab-ink); margin-bottom: 8px;
}
.gab-three-card small {
  font-size: 12px; color: var(--gab-muted); line-height: 1.75;
}
.gab-three-card ul {
  margin: 8px 0 0; padding-left: 18px; font-size: 12px;
  color: var(--gab-ink); line-height: 1.8;
}

/* ===== 风险提示 ===== */
.gab-disclaimer {
  padding: 16px 20px; margin-top: 12px;
  background: var(--gab-red-50); border: 1px solid var(--gab-red);
  border-radius: 6px; font-size: 13px; color: var(--gab-ink); line-height: 1.8;
}
.gab-disclaimer b { color: var(--gab-red); }

/* ===== 响应式 ===== */
@media (max-width: 640px) {
  .gab-row2 { grid-template-columns: 1fr; }
  .gab-three { grid-template-columns: 1fr; }
  .gab-paper { padding: 24px 20px; font-size: 14px; }
  .gab-paper-title { font-size: 18px; letter-spacing: 4px; }
  .gab-stamp { display: none; }
  .gab-paper .gab-seal { width: 60px; height: 60px; font-size: 10px; bottom: 40px; right: 24px; }
  .gab-envelope { width: 48px; height: 32px; top: 10px; right: 10px; }
  .gab-envelope::before { border-left: 22px solid transparent; border-right: 22px solid transparent; border-top: 16px solid var(--gab-blue); }
}

/* ===== 打印样式 ===== */
@media print {
  .gab-wrap { padding: 0; max-width: 100%; }
  .gab-card, .gab-disclaimer, .gab-hero, .gab-section:nth-child(n+2) { display: none; }
  .gab-paper { box-shadow: none; border: 2px solid #000; margin: 0; }
  .gab-paper::before { display: none; }
  .gab-paper .gab-seal { opacity: 1; }
}