:root{
  color-scheme:light;
  --pgc-bg:#f5f7fb;
  --pgc-card:#fff;
  --pgc-text:#101828;
  --pgc-muted:#667085;
  --pgc-soft:#f1f5fb;
  --pgc-blue:#1677ff;
  --pgc-green:#16a34a;
  --pgc-orange:#f97316;
  --pgc-line:#e8eef7;
  --pgc-shadow:0 18px 50px rgba(15,23,42,.07);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

html,
body{
  max-width:100%;
  overflow-x:clip;
}

[hidden]{display:none !important}

body{
  margin:0;
  min-height:100vh;
  min-height:100dvh;
  background:
    radial-gradient(circle at 14% 0%,rgba(22,119,255,.10),transparent 30%),
    linear-gradient(180deg,#fbfdff 0%,var(--pgc-bg) 100%);
  color:var(--pgc-text);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","Microsoft YaHei",Arial,sans-serif;
}

.pgc-shell{
  width:min(960px,100%);
  margin:0 auto;
  padding:18px 16px calc(112px + env(safe-area-inset-bottom));
}

.pgc-hero{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  min-height:184px;
  padding:24px;
  border-radius:30px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,255,255,.78)),
    radial-gradient(circle at 84% 18%,rgba(22,119,255,.15),transparent 32%);
  box-shadow:var(--pgc-shadow);
}

.pgc-hero > div:first-child{
  min-width:0;
}

.pgc-kicker{
  display:inline-flex;
  min-height:26px;
  align-items:center;
  padding:0 10px;
  border-radius:999px;
  background:#eaf3ff;
  color:var(--pgc-blue);
  font-size:12px;
  font-weight:700;
}

.pgc-hero h1{
  margin:14px 0 8px;
  font-size:clamp(26px,7vw,30px);
  line-height:1.12;
  letter-spacing:0;
  overflow-wrap:anywhere;
}

.pgc-hero p{
  margin:0;
  color:var(--pgc-muted);
  font-size:14px;
  line-height:1.6;
  overflow-wrap:anywhere;
}

.pgc-avatar{
  width:62px;
  height:62px;
  flex:0 0 auto;
  align-self:flex-end;
  display:grid;
  place-items:center;
  overflow:hidden;
  border-radius:24px;
  background:linear-gradient(135deg,#eaf3ff,#fff);
  color:var(--pgc-blue);
  font-size:26px;
  font-weight:800;
  box-shadow:inset 0 0 0 1px rgba(22,119,255,.14);
}

.pgc-avatar img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.pgc-source-panel{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-top:14px;
  padding:14px;
  border-radius:22px;
  background:rgba(255,255,255,.88);
  box-shadow:0 14px 38px rgba(15,23,42,.055);
}

.pgc-source-panel span{
  display:block;
  color:var(--pgc-muted);
  font-size:12px;
  font-weight:650;
}

.pgc-source-panel strong{
  display:block;
  margin-top:4px;
  color:var(--pgc-text);
  font-size:14px;
  font-weight:750;
}

.pgc-source-actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
}

.pgc-source-actions button{
  min-height:40px;
  border:0;
  border-radius:14px;
  background:#edf5ff;
  color:var(--pgc-blue);
  font:600 13px/1 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  cursor:pointer;
}

.pgc-source-actions button:last-child{
  background:#111827;
  color:#fff;
}

.pgc-parent-action-panel{
  display:grid;
  gap:14px;
  margin-top:14px;
  padding:16px;
  border-radius:24px;
  background:
    linear-gradient(135deg,rgba(255,255,255,.96),rgba(255,255,255,.86)),
    radial-gradient(circle at 90% 12%,rgba(22,119,255,.12),transparent 30%);
  box-shadow:0 16px 42px rgba(15,23,42,.06);
}

.pgc-parent-action-copy span{
  display:block;
  color:var(--pgc-blue);
  font-size:12px;
  font-weight:800;
}

.pgc-parent-action-copy strong{
  display:block;
  margin-top:5px;
  color:var(--pgc-text);
  font-size:18px;
  font-weight:750;
}

.pgc-parent-action-copy p{
  margin:6px 0 0;
  color:var(--pgc-muted);
  font-size:13px;
  line-height:1.6;
}

.pgc-parent-action-buttons{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:9px;
}

.pgc-parent-action-buttons button{
  min-height:44px;
  border:0;
  border-radius:15px;
  background:#f2f6fb;
  color:#344054;
  font:700 13px/1 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  cursor:pointer;
}

.pgc-parent-action-buttons button[aria-disabled="true"]{
  cursor:not-allowed;
}

.pgc-parent-action-buttons button.primary{
  background:#111827;
  color:#fff;
}

.pgc-tabs{
  position:sticky;
  top:0;
  z-index:10;
  display:flex;
  gap:10px;
  overflow-x:auto;
  margin:14px -16px 4px;
  padding:12px 16px;
  background:rgba(245,247,251,.86);
  backdrop-filter:blur(16px);
  scrollbar-width:none;
}

.pgc-tabs::-webkit-scrollbar{display:none}

.pgc-tabs a{
  flex:0 0 auto;
  min-height:38px;
  display:inline-flex;
  align-items:center;
  padding:0 14px;
  border-radius:999px;
  background:#fff;
  color:#475467;
  text-decoration:none;
  font-size:13px;
  font-weight:650;
  box-shadow:0 10px 26px rgba(15,23,42,.045);
}

.pgc-section{
  padding-top:20px;
  scroll-margin-top:84px;
}

.pgc-section-source-focus .pgc-section-head h2{
  color:var(--pgc-blue);
}

.pgc-section-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 12px;
}

.pgc-section-head span{
  color:var(--pgc-blue);
  font-size:12px;
  font-weight:800;
}

.pgc-section-head h2{
  margin:0;
  color:var(--pgc-text);
  font-size:20px;
  font-weight:700;
}

.pgc-card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}

.pgc-card,
.pgc-recommend-card,
.pgc-teacher-card{
  border-radius:22px;
  background:var(--pgc-card);
  box-shadow:var(--pgc-shadow);
  padding:18px;
}

.pgc-card span,
.pgc-recommend-card span,
.pgc-teacher-card span{
  display:block;
  color:var(--pgc-muted);
  font-size:12px;
  font-weight:650;
}

.pgc-card h3,
.pgc-recommend-card h3,
.pgc-teacher-card h3{
  margin:8px 0 8px;
  color:var(--pgc-text);
  font-size:17px;
  font-weight:700;
  line-height:1.35;
}

.pgc-card p,
.pgc-recommend-card p,
.pgc-teacher-card p{
  margin:0;
  color:var(--pgc-muted);
  font-size:13px;
  line-height:1.65;
  overflow-wrap:anywhere;
}

.pgc-photo-strip{
  display:flex;
  gap:10px;
  overflow-x:auto;
  margin-top:12px;
  padding-bottom:2px;
}

.pgc-photo-strip img{
  width:132px;
  height:94px;
  border-radius:16px;
  object-fit:cover;
  background:var(--pgc-soft);
}

.pgc-timeline{
  display:grid;
  gap:10px;
}

.pgc-timeline-item{
  position:relative;
  padding:16px 16px 16px 42px;
  border-radius:20px;
  background:#fff;
  box-shadow:0 12px 34px rgba(15,23,42,.045);
}

.pgc-timeline-item::before{
  content:"";
  position:absolute;
  left:18px;
  top:22px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--pgc-blue);
}

.pgc-timeline-item span{
  color:var(--pgc-muted);
  font-size:12px;
  font-weight:650;
}

.pgc-timeline-item h3{
  margin:6px 0;
  font-size:15px;
}

.pgc-timeline-item p{
  margin:0;
  color:var(--pgc-muted);
  font-size:13px;
  line-height:1.6;
}

.pgc-recommend-list{
  display:grid;
  gap:12px;
}

.pgc-recommend-meta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-top:14px;
}

.pgc-mini{
  min-height:58px;
  padding:10px;
  border-radius:15px;
  background:var(--pgc-soft);
}

.pgc-mini strong{
  display:block;
  margin-top:4px;
  color:var(--pgc-text);
  font-size:13px;
}

.pgc-status{
  display:inline-flex !important;
  width:max-content;
  min-height:26px;
  align-items:center;
  padding:0 10px;
  border-radius:999px;
  background:#edf5ff;
  color:var(--pgc-blue) !important;
  font-size:12px !important;
  font-weight:750 !important;
}

.pgc-status.done{background:#ecfdf3;color:var(--pgc-green) !important}
.pgc-status.warn{background:#fff7ed;color:var(--pgc-orange) !important}

.pgc-teacher-row{
  display:flex;
  align-items:center;
  gap:14px;
}

.pgc-teacher-avatar{
  width:58px;
  height:58px;
  display:grid;
  place-items:center;
  border-radius:20px;
  background:#eaf3ff;
  color:var(--pgc-blue);
  font-weight:800;
}

.pgc-action-row{
  display:grid;
  gap:10px;
  margin-top:14px;
}

.pgc-action{
  border:0;
  min-height:46px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:15px;
  background:#111827;
  color:#fff;
  text-decoration:none;
  font-family:inherit;
  font-size:14px;
  font-weight:700;
  cursor:pointer;
}

.pgc-empty{
  border-radius:20px;
  padding:18px;
  background:#fff;
  color:var(--pgc-muted);
  font-size:13px;
  line-height:1.6;
  box-shadow:0 12px 34px rgba(15,23,42,.045);
  overflow-wrap:anywhere;
}

.pgc-page-state{
  display:grid;
  grid-template-columns:48px minmax(0,1fr);
  gap:14px;
  align-items:start;
  margin-top:14px;
  padding:20px;
  border-radius:24px;
  background:#fff;
  box-shadow:var(--pgc-shadow);
}

.pgc-page-state[data-tone="danger"]{
  box-shadow:inset 3px 0 0 #dc2626,var(--pgc-shadow);
}

.pgc-page-state[data-tone="warning"]{
  box-shadow:inset 3px 0 0 var(--pgc-orange),var(--pgc-shadow);
}

.pgc-state-icon{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  border-radius:16px;
  background:#edf5ff;
  color:var(--pgc-blue);
  font-size:18px;
  font-weight:800;
  letter-spacing:0;
}

.pgc-page-state > div:last-child{
  min-width:0;
}

.pgc-page-state span{
  display:block;
  color:var(--pgc-blue);
  font-size:12px;
  font-weight:800;
}

.pgc-page-state h2{
  margin:5px 0 6px;
  font-size:19px;
  line-height:1.35;
}

.pgc-page-state p{
  margin:0;
  color:var(--pgc-muted);
  font-size:13px;
  line-height:1.65;
  overflow-wrap:break-word;
}

.pgc-page-state button{
  min-height:40px;
  margin-top:14px;
  padding:0 16px;
  border:0;
  border-radius:13px;
  background:#111827;
  color:#fff;
  font-family:inherit;
  font-weight:700;
  cursor:pointer;
}

.pgc-card-muted{
  box-shadow:0 12px 34px rgba(15,23,42,.04);
}

.pgc-card-muted h3{
  color:#344054;
}

.pgc-recommend-topline{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  min-width:0;
}

.pgc-project-type{
  display:inline-flex !important;
  min-height:26px;
  align-items:center;
  padding:0 10px;
  border-radius:999px;
  background:#eaf3ff;
  color:var(--pgc-blue) !important;
  font-size:12px !important;
  font-weight:750 !important;
}

.pgc-status-success{
  background:#ecfdf3 !important;
  color:var(--pgc-green) !important;
}

.pgc-status-brand{
  background:#eaf3ff !important;
  color:var(--pgc-blue) !important;
}

.pgc-status-light-blue{
  background:#eff8ff !important;
  color:#175cd3 !important;
}

.pgc-status-neutral{
  background:#f2f4f7 !important;
  color:#667085 !important;
}

.pgc-reason{
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;
}

.pgc-urgent{
  color:var(--pgc-orange) !important;
}

.pgc-entry-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.pgc-entry-card > div{
  min-width:0;
}

.pgc-entry-card button,
.pgc-setting-row button{
  flex:0 0 auto;
  min-height:40px;
  padding:0 14px;
  border:0;
  border-radius:13px;
  background:#edf5ff;
  color:var(--pgc-blue);
  font-family:inherit;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
}

.pgc-settings-list{
  display:grid;
  gap:10px;
}

.pgc-setting-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-width:0;
  padding:16px 18px;
  border-radius:20px;
  background:#fff;
  box-shadow:0 12px 34px rgba(15,23,42,.045);
}

.pgc-setting-row > div{
  min-width:0;
}

.pgc-setting-row span{
  display:block;
  color:var(--pgc-muted);
  font-size:12px;
  font-weight:650;
}

.pgc-setting-row strong{
  display:block;
  margin-top:5px;
  color:var(--pgc-text);
  font-size:14px;
  line-height:1.4;
  overflow-wrap:break-word;
}

.pgc-bottom-nav{
  position:fixed;
  z-index:30;
  left:50%;
  bottom:0;
  width:min(520px,100%);
  min-height:66px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  padding:8px 10px calc(8px + env(safe-area-inset-bottom));
  transform:translateX(-50%);
  border-top:1px solid rgba(232,238,247,.94);
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(18px);
  box-shadow:0 -10px 28px rgba(15,23,42,.06);
}

.pgc-bottom-nav a{
  min-width:0;
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  color:#667085;
  text-decoration:none;
  font-size:12px;
  font-weight:700;
}

.pgc-bottom-nav a:focus,
.pgc-bottom-nav a:active{
  background:#edf5ff;
  color:var(--pgc-blue);
}

.pgc-readonly-notice{
  position:fixed;
  z-index:50;
  left:50%;
  bottom:calc(82px + env(safe-area-inset-bottom));
  width:min(420px,calc(100% - 32px));
  padding:14px 16px;
  transform:translateX(-50%);
  border-radius:16px;
  background:#111827;
  color:#fff;
  box-shadow:0 18px 42px rgba(15,23,42,.2);
}

.pgc-readonly-notice strong{
  display:block;
  font-size:14px;
}

.pgc-readonly-notice p{
  margin:4px 0 0;
  color:#d0d5dd;
  font-size:12px;
  line-height:1.5;
}

@media(max-width:480px){
  .pgc-entry-card{
    align-items:flex-start;
  }

  .pgc-entry-card button{
    padding:0 12px;
  }

  .pgc-recommend-meta{
    grid-template-columns:1fr;
  }

  .pgc-page-state{
    grid-template-columns:40px minmax(0,1fr);
    padding:18px;
  }

  .pgc-state-icon{
    width:40px;
    height:40px;
    border-radius:14px;
  }
}

@media(min-width:760px){
  .pgc-shell{
    padding:30px 24px 112px;
  }
  .pgc-hero{
    flex-direction:row;
    align-items:center;
    min-height:220px;
    padding:34px;
  }
  .pgc-hero h1{
    font-size:42px;
  }
  .pgc-avatar{
    width:76px;
    height:76px;
  }
  .pgc-source-panel{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:14px 18px;
  }
  .pgc-source-actions{
    width:240px;
  }
  .pgc-parent-action-panel{
    grid-template-columns:minmax(0,1fr) 480px;
    align-items:center;
    padding:18px;
  }
  .pgc-parent-action-buttons{
    grid-template-columns:repeat(5,minmax(0,1fr));
  }
  .pgc-card-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .pgc-action-row{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}