/* ============================================================
   AWS 水资源管理标准助手 — 原型样式 (v2)
   仅用于 protype/ 目录原型页面
   正式版将转化为 aws/assets/css/ 下的持久样式
   ============================================================ */

/* ---------- 颜色变量（水主题覆盖） ---------- */
:root {
  --aws-water-50:  #f0f9ff;
  --aws-water-100: #e0f2fe;
  --aws-water-200: #bae6fd;
  --aws-water-300: #7dd3fc;
  --aws-water-400: #38bdf8;
  --aws-water-500: #0ea5e9;
  --aws-water-600: #0284c7;
  --aws-water-700: #0369a1;
  --aws-water-800: #075985;
  --aws-water-900: #0c4a6e;

  --aws-gold:      #f59e0b;
  --aws-gold-bg:   #fffbeb;
  --aws-gold-border:#fbbf24;
  --aws-platinum:  #a855f7;
  --aws-platinum-bg:#faf5ff;
  --aws-platinum-border:#c084fc;

  --aws-core-bg:     var(--primary-50);
  --aws-core-border:  var(--primary-300);
}

/* ---------- Hero (浅色版) ---------- */
.aws-hero {
  background: linear-gradient(135deg, var(--aws-water-50) 0%, var(--aws-water-100) 100%);
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--aws-water-200);
}
.aws-hero h1 { margin: 0 0 .5rem; font-size: 2rem; font-weight: 700; color: var(--aws-water-900); }
.aws-hero .lead { font-size: 1.1rem; color: var(--gray-700); margin-bottom: .5rem; }
.aws-hero .desc { font-size: .88rem; color: var(--gray-600); max-width: 640px; line-height: 1.7; }
.aws-hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--aws-water-600); color: #fff; border-radius: 20px;
  padding: 4px 14px; font-size: .78rem; margin-bottom: 1rem; font-weight: 500;
}
.aws-hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; }
.aws-cta-group { display: flex; gap: 12px; margin-top: 1.25rem; flex-wrap: wrap; }
.aws-cta-group .btn { display: inline-block; padding: .6rem 1.4rem; border-radius: var(--radius-md); font-weight: 600; font-size: .92rem; text-decoration: none; transition: background .15s, transform .1s; }
.aws-cta-group .btn-primary { background: var(--aws-water-600); color: #fff; }
.aws-cta-group .btn-primary:hover { background: var(--aws-water-700); color: #fff; transform: translateY(-1px); }
.aws-cta-group .btn-ghost { border: 1.5px solid var(--aws-water-300); color: var(--aws-water-700); background: #fff; }
.aws-cta-group .btn-ghost:hover { background: var(--aws-water-50); }

/* ---------- Stats strip ---------- */
.aws-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--gray-200);
}
@media (max-width: 768px) { .aws-stats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .aws-stats { grid-template-columns: repeat(2, 1fr); } }
.aws-stat { text-align: center; }
.aws-stat .stat-num { font-size: 2rem; font-weight: 700; color: var(--aws-water-700); line-height: 1.1; }
.aws-stat .stat-label { font-size: .82rem; color: var(--gray-600); margin-top: .15rem; }

/* ---------- Outcome cards ---------- */
.aws-outcomes { padding: 2.5rem 0; }
.aws-outcomes h2 { text-align: center; margin-bottom: .25rem; font-size: 1.5rem; color: var(--gray-900); }
.aws-outcomes .section-sub { text-align: center; color: var(--gray-600); margin-bottom: 2rem; font-size: .92rem; }
.aws-outcomes-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem;
}

.aws-outcome-card {
  background: #fff; border-radius: var(--radius-md); padding: 1.25rem;
  border: 1px solid var(--gray-200); text-align: center;
  transition: transform .15s, box-shadow .15s;
}
.aws-outcome-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.aws-outcome-card .outcome-icon { font-size: 2rem; margin-bottom: .5rem; }
.aws-outcome-card h3 { font-size: .95rem; color: var(--gray-900); margin: 0 0 .35rem; }
.aws-outcome-card p { font-size: .82rem; color: var(--gray-600); margin: 0; line-height: 1.55; }

/* ---------- Step navigation ---------- */
.aws-steps { padding: 2.5rem 0; background: var(--surface); }
.aws-steps h2 { text-align: center; margin-bottom: .25rem; font-size: 1.5rem; color: var(--gray-900); }
.aws-steps .section-sub { text-align: center; color: var(--gray-600); margin-bottom: 2rem; font-size: .92rem; }

.aws-step-cards {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem;
}
@media (max-width: 900px) { .aws-step-cards { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .aws-step-cards { grid-template-columns: 1fr; } }

.aws-step-card {
  background: #fff; border-radius: var(--radius-md); padding: 1.5rem 1.25rem;
  border: 1px solid var(--gray-200); transition: transform .15s, box-shadow .15s;
  text-decoration: none; color: inherit; display: block;
}
.aws-step-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--aws-water-400); }
.aws-step-card .step-number {
  display: inline-block; width: 32px; height: 32px; line-height: 32px;
  border-radius: 50%; background: var(--aws-water-500); color: #fff;
  font-weight: 700; font-size: .9rem; text-align: center; margin-bottom: .75rem;
}
.aws-step-card h3 { font-size: 1rem; color: var(--gray-900); margin: 0 0 .4rem; }
.aws-step-card .step-title-en { font-size: .78rem; color: var(--gray-500); margin-bottom: .5rem; }
.aws-step-card p { font-size: .85rem; color: var(--gray-600); margin: 0; line-height: 1.6; }
.aws-step-card .arrow { float: right; color: var(--aws-water-500); font-size: 1.1rem; margin-top: .5rem; }

/* ---------- Certification comparison ---------- */
.aws-cert { padding: 2.5rem  0; }
.aws-cert h2 { text-align: center; margin-bottom: .25rem; font-size: 1.5rem; color: var(--gray-900); }
.aws-cert .section-sub { text-align: center; color: var(--gray-600); margin-bottom: 2rem; font-size: .92rem; }

.aws-cert-table {
  width: 100%; border-collapse: collapse; font-size: .88rem;
}
.aws-cert-table th {
  background: var(--aws-water-50); padding: .75rem 1rem;
  text-align: left; border-bottom: 2px solid var(--aws-water-200);
  color: var(--aws-water-800); font-weight: 600;
}
.aws-cert-table td {
  padding: .7rem 1rem; border-bottom: 1px solid var(--gray-200);
  vertical-align: top;
}
.aws-cert-table tr:hover td { background: var(--aws-water-50); }
.aws-cert-table .tier-badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: .75rem; font-weight: 600;
}
.aws-cert-table .tier-core { background: var(--primary-100); color: var(--primary-700); }
.aws-cert-table .tier-gold { background: var(--aws-gold-bg); color: #92400e; }
.aws-cert-table .tier-platinum { background: var(--aws-platinum-bg); color: #6b21a8; }

/* ---------- Detail page: sidebar + main layout ---------- */
.aws-detail-layout {
  display: grid; grid-template-columns: 220px 1fr; gap: 2rem;
  align-items: start;
}
@media (max-width: 900px) {
  .aws-detail-layout { grid-template-columns: 1fr; }
  .aws-sidebar { position: static !important; border-bottom: 1px solid var(--gray-200); padding-bottom: .75rem; margin-bottom: 1.5rem; }
  .aws-sidebar nav { display: flex; flex-wrap: wrap; gap: .25rem; }
  .aws-sidebar a { padding: .3rem .6rem !important; font-size: .8rem !important; }
}

.aws-sidebar {
  position: sticky; top: 5rem;
}
.aws-sidebar h3 {
  font-size: .82rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--gray-500); margin: 0 0 .75rem; font-weight: 600;
}
.aws-sidebar nav { display: flex; flex-direction: column; gap: .15rem; }
.aws-sidebar a {
  display: block; padding: .45rem .75rem; border-radius: var(--radius-sm);
  font-size: .85rem; color: var(--gray-600); text-decoration: none;
  transition: background .1s, color .1s; line-height: 1.4;
}
.aws-sidebar a:hover { background: var(--aws-water-50); color: var(--aws-water-700); }
.aws-sidebar a.active { background: var(--aws-water-100); color: var(--aws-water-800); font-weight: 600; }

/* Sidebar step navigation (below criteria nav) */
.aws-stepnav-h {
  margin-top: 1.5rem !important; padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
}
.aws-step-nav { display: flex; flex-direction: column; gap: .15rem; }
.aws-stepnav-item {
  display: flex; align-items: center; gap: .55rem;
  padding: .4rem .6rem; border-radius: var(--radius-sm);
  font-size: .85rem; color: var(--gray-600); text-decoration: none;
  transition: background .1s, color .1s; line-height: 1.35;
}
.aws-stepnav-item:hover { background: var(--aws-water-50); color: var(--aws-water-700); }
.aws-stepnav-item .stepnav-num {
  flex: none; width: 1.4rem; height: 1.4rem; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 600;
  background: var(--gray-100); color: var(--gray-500);
}
.aws-stepnav-item:hover .stepnav-num { background: var(--aws-water-100); color: var(--aws-water-700); }
.aws-stepnav-item.active { background: var(--aws-water-50); color: var(--aws-water-800); font-weight: 600; }
.aws-stepnav-item.active .stepnav-num { background: var(--aws-water-600); color: #fff; }

.aws-detail-main { min-width: 0; }

/* ---------- Requirement cards (detail page) ---------- */
.aws-req-section { padding: 2rem 0; }
.aws-req-section h2 { font-size: 1.35rem; color: var(--gray-900); margin-bottom: 1.5rem; }

.aws-criteria-group { margin-bottom: 2.5rem; }
.aws-criteria-title {
  font-size: 1.1rem; font-weight: 600; color: var(--aws-water-700);
  border-left: 4px solid var(--aws-water-500); padding-left: .75rem;
  margin-bottom: 1rem;
}
.aws-criteria-title .criteria-num { color: var(--gray-500); font-weight: 400; margin-right: .5rem; }

.aws-req-card {
  background: #fff; border-radius: var(--radius-md); padding: 1.25rem 1.5rem;
  margin-bottom: .75rem; border: 1px solid var(--gray-200);
  border-left: 4px solid var(--primary-500);
  transition: box-shadow .15s;
}
.aws-req-card:hover { box-shadow: var(--shadow-sm); }
.aws-req-card.gold { border-left-color: var(--aws-gold); }
.aws-req-card.platinum { border-left-color: var(--aws-platinum); }

.aws-req-card .req-header {
  display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; flex-wrap: wrap;
}
.aws-req-card .req-number { font-weight: 700; color: var(--gray-900); font-size: .95rem; }
.aws-req-card .tier-badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: .72rem; font-weight: 600; }
.aws-req-card .tier-core { background: var(--primary-100); color: var(--primary-700); }
.aws-req-card .tier-gold { background: var(--aws-gold-bg); color: #92400e; }
.aws-req-card .tier-platinum { background: var(--aws-platinum-bg); color: #6b21a8; }

.aws-req-card .req-summary { font-size: .9rem; color: var(--gray-700); line-height: 1.65; margin-bottom: .6rem; }
.aws-req-card .req-meta { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .8rem; color: var(--gray-500); }
.aws-req-card .req-meta span { display: inline-flex; align-items: center; gap: 4px; }
.aws-req-card .official-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--aws-water-600); font-size: .82rem; text-decoration: none;
  margin-top: .5rem;
}
.aws-req-card .official-link:hover { text-decoration: underline; }

/* ---------- Collapsible Gold/Platinum details ---------- */
.aws-req-details {
  margin-bottom: .75rem; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); overflow: hidden;
}
.aws-req-details summary {
  padding: .75rem 1rem; font-size: .88rem; cursor: pointer;
  background: #fafbfc; transition: background .1s;
  display: flex; align-items: center; gap: .5rem;
}
.aws-req-details summary:hover { background: var(--gray-100); }
.aws-req-details[open] summary { border-bottom: 1px solid var(--gray-200); }
.aws-req-details .req-number { font-weight: 700; color: var(--gray-900); }
.aws-req-details .tier-badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: .72rem; font-weight: 600; }
.aws-req-details .tier-gold { background: var(--aws-gold-bg); color: #92400e; }
.aws-req-details .tier-platinum { background: var(--aws-platinum-bg); color: #6b21a8; }
.aws-req-details .detail-body { padding: 1rem 1.25rem; }
.aws-req-details .req-summary { font-size: .9rem; color: var(--gray-700); line-height: 1.65; }
.aws-req-details .req-meta { display: flex; gap: 1rem; flex-wrap: wrap; font-size: .8rem; color: var(--gray-500); margin-top: .5rem; }
.aws-req-details .official-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--aws-water-600); font-size: .82rem; text-decoration: none; margin-top: .4rem;
}
.aws-req-details .official-link:hover { text-decoration: underline; }

/* ---------- Glossary ---------- */
.aws-glossary-search {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.aws-glossary-search input {
  flex: 1; min-width: 200px; padding: .6rem 1rem;
  border: 1px solid var(--gray-300); border-radius: var(--radius-sm);
  font-size: .92rem;
}
.aws-glossary-search select {
  padding: .6rem 1rem; border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm); font-size: .92rem; background: #fff;
}

.aws-glossary-item {
  background: #fff; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); padding: 1.25rem 1.5rem;
  margin-bottom: .75rem;
}
.aws-glossary-item .term-en { font-weight: 600; color: var(--gray-900); font-size: 1rem; }
.aws-glossary-item .term-cn { color: var(--aws-water-700); font-weight: 600; margin-left: .5rem; }
.aws-glossary-item .term-def { font-size: .88rem; color: var(--gray-600); line-height: 1.65; margin: .5rem 0; }
.aws-glossary-item .term-refs { font-size: .8rem; color: var(--gray-500); }
.aws-glossary-item .term-refs a { color: var(--aws-water-600); text-decoration: none; }
.aws-glossary-item .term-refs a:hover { text-decoration: underline; }

/* ---------- CTA Box ---------- */
.aws-cta-box {
  background: var(--gray-50); border-left: 3px solid var(--aws-water-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem; margin-top: 2rem;
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: .75rem 1.25rem;
}
.aws-cta-box p { margin: 0; color: var(--gray-600); font-size: .88rem; flex: 1 1 280px; }
.aws-cta-box p strong { color: var(--gray-900); font-weight: 600; }
.aws-cta-actions { display: inline-flex; align-items: center; gap: 1rem; font-size: .85rem; }
.aws-cta-primary {
  padding: .5rem 1rem; background: var(--aws-water-600); color: #fff;
  border-radius: .375rem; font-weight: 500; text-decoration: none;
}
.aws-cta-primary:hover { background: var(--aws-water-700); color: #fff; }
.aws-cta-secondary { color: var(--gray-500); text-decoration: none; }
.aws-cta-secondary:hover { color: var(--aws-water-700); }

/* ---------- Intent block ---------- */
.aws-intent {
  background: var(--aws-water-50); border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem; margin-bottom: 2rem;
  border: 1px solid var(--aws-water-200);
}
.aws-intent .intent-label {
  font-size: .78rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--aws-water-700); font-weight: 600; margin-bottom: .4rem;
}
.aws-intent p { font-size: .92rem; color: var(--gray-700); line-height: 1.7; margin: 0; }

/* ---------- Breadcrumb ---------- */
.aws-breadcrumb {
  font-size: .85rem; color: var(--gray-500); margin-bottom: 1.5rem;
}
.aws-breadcrumb a { color: var(--aws-water-600); text-decoration: none; }
.aws-breadcrumb a:hover { text-decoration: underline; }
.aws-breadcrumb .sep { margin: 0 .35rem; }

/* ---------- Disclaimer footer ---------- */
.aws-disclaimer {
  margin-top: 2rem; padding-top: 1rem;
  border-top: 1px solid var(--gray-200);
  font-size: .78rem; color: var(--gray-400);
}
.aws-disclaimer a { color: var(--aws-water-500); text-decoration: underline; }

/* ---------- Print helper ---------- */
@media print {
  .aws-cta-box { display: none !important; }
  .aws-sidebar { display: none !important; }
  .aws-detail-layout { grid-template-columns: 1fr !important; }
}