:root{
  /* 与 frontend 工作台统一：青绿暗色、无蓝紫 */
  --bg0:#0a0f0e;
  --bg1:#0d1412;
  --panel:rgba(17,26,24,.72);
  --panel2:rgba(17,26,24,.40);
  --stroke:rgba(255,255,255,.10);
  --stroke2:rgba(255,255,255,.16);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.64);
  --muted2:rgba(255,255,255,.42);
  --accent:#2dd4bf;
  --accent2:#5eead4;
  --good:#34d399;
  --shadow: 0 24px 80px rgba(0,0,0,.52);
  --shadow2: 0 16px 40px rgba(0,0,0,.42);
  --radius: 18px;
  --radius2: 14px;
  --max: 1100px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
  --hero-bg-image: url("../tonbird.png");
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1000px 620px at 18% -8%, rgba(45,212,191,.10), transparent 52%),
    radial-gradient(900px 560px at 92% 8%, rgba(20,184,166,.08), transparent 50%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

.bg{
  position:fixed;
  inset:-120px;
  pointer-events:none;
  background:
    radial-gradient(820px 400px at 28% 0%, rgba(45,212,191,.08), transparent 58%),
    radial-gradient(720px 380px at 78% 12%, rgba(20,184,166,.06), transparent 56%);
  filter: blur(28px) saturate(1.08);
  opacity:.5;
  transform: translateZ(0);
}

.header{
  width:min(var(--max), calc(100% - 40px));
  margin: 0 auto 18px;
  padding-top: 14px;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  position:sticky;
  top:0;
  z-index:50;
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  padding:10px max(20px, calc(50vw - var(--max) / 2 - 20px));
  box-sizing:border-box;
  backdrop-filter:blur(18px) saturate(1.1);
  -webkit-backdrop-filter:blur(18px) saturate(1.1);
  background:rgba(13,18,17,.58);
  border-bottom:1px solid rgba(255,255,255,.06);
  border-radius:0 0 var(--radius2) var(--radius2);
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
}

.brand{
  display:flex;
  gap:10px;
  align-items:center;
  padding: 6px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.10);
  backdrop-filter: blur(10px);
}

.logo{
  width:42px;
  height:42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  color: rgba(255,255,255,.92);
  background:
    radial-gradient(20px 20px at 35% 35%, rgba(45,212,191,.35), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  overflow:hidden;
}
.logo-img{
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
  object-position:center;
  filter: saturate(1.05) contrast(1.02);
}


.ad{
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(12px);
  padding: 12px;
  display:block;
  min-height: 220px;
  overflow:hidden;
  position:relative;
}
.ad-badge{
  width:fit-content;
  font-size: 12px;
  color: rgba(255,255,255,.80);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  position:absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
  backdrop-filter: blur(10px);
}
.ad-slot{
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.16);
  background:
    linear-gradient(120deg, rgba(13,18,17,.82) 0%, rgba(13,18,17,.48) 55%, rgba(13,18,17,.75) 100%),
    var(--hero-bg-image) center 35% / cover no-repeat,
    rgba(0,0,0,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 12px;
  width: 100%;
  height: clamp(180px, 22vw, 280px);
}
.ad-slot.is-carousel{
  border-style: solid;
  padding: 0;
  justify-content: stretch;
  align-items: stretch;
}
.ad-carousel{
  position:relative;
  width:100%;
  height:100%;
  border-radius: 14px;
  overflow:hidden;
}
.ad-carousel img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  opacity:0;
  transition: opacity .55s ease;
}
.ad-carousel img.is-active{opacity:1}
.ad-carousel::after{
  content:"";
  position:absolute;
  inset:0;
  background: radial-gradient(520px 120px at 20% 50%, rgba(45,212,191,.08), transparent 55%),
              radial-gradient(520px 120px at 85% 35%, rgba(20,184,166,.07), transparent 55%);
  pointer-events:none;
  mix-blend-mode: screen;
  opacity:.45;
}
.ad-link{
  color: rgba(255,255,255,.86);
  text-decoration:none;
  font-weight: 650;
  letter-spacing:.2px;
}
.ad-link:hover{color:white;text-decoration:underline}

.main{
  width:min(var(--max), calc(100% - 40px));
  margin: 0 auto 18px;
}

.panel{
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow:hidden;
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.panel-title{
  font-weight: 760;
  letter-spacing:.2px;
}
.panel-actions{display:flex;gap:10px;align-items:center}
.ghost{
  appearance:none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.14);
  color: rgba(255,255,255,.84);
  padding: 9px 12px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 650;
}
.ghost:hover{border-color:rgba(255,255,255,.22);color:#fff}
.ghost:active{transform: translateY(1px)}

.grid{
  padding: 16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tile{
  display:flex;
  flex-direction:column;
  gap: 10px;
  padding: 12px;
  border-radius: var(--radius2);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.14);
  text-decoration:none;
  color: inherit;
  box-shadow: 0 10px 26px rgba(0,0,0,.28);
  min-height: 178px;
  position:relative;
  overflow:hidden;
}
.tile::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(400px 200px at 20% 10%, rgba(45,212,191,.12), transparent 60%),
              radial-gradient(380px 200px at 80% 0%, rgba(20,184,166,.10), transparent 58%);
  opacity:0;
  transition: opacity .18s ease;
  pointer-events:none;
}
.tile:hover::before{opacity:1}
.tile:hover{
  border-color: rgba(255,255,255,.20);
  transform: translateY(-2px);
  transition: transform .18s ease, border-color .18s ease;
}

.thumb-wrap{
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  position:relative;
  height: 108px;
}
.thumb{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  opacity:0;
  transition: opacity .18s ease;
}
.thumb.is-ready{opacity:1}
.thumb-fallback{
  position:absolute;
  inset:0;
  background:
    radial-gradient(250px 120px at 30% 20%, rgba(45,212,191,.14), transparent 60%),
    radial-gradient(240px 120px at 70% 20%, rgba(20,184,166,.12), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  opacity:1;
  transition: opacity .18s ease;
}
.thumb-wrap.has-image .thumb-fallback{opacity:0}
.shine{
  position:absolute;
  inset:0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.14) 30%, transparent 55%);
  transform: translateX(-120%);
  opacity:.0;
  pointer-events:none;
}
.tile:hover .shine{
  opacity:.55;
  transform: translateX(120%);
  transition: transform .7s ease, opacity .18s ease;
}

.tile-meta{display:flex;flex-direction:column;gap:4px}
.tile-name{
  font-weight: 760;
  letter-spacing: .15px;
  line-height:1.1;
}
.tile-url{
  font-size: 12.5px;
  color: var(--muted2);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.hint{
  padding: 0 16px 16px;
  color: var(--muted);
  font-size: 12.5px;
}
.hint code{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  color: rgba(255,255,255,.86);
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.10);
  padding: 2px 6px;
  border-radius: 8px;
}

.footer{
  width:min(var(--max), calc(100% - 40px));
  margin: 0 auto 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  color: var(--muted);
  font-size: 12.5px;
}
.footer-left{display:flex;align-items:center;gap:10px}
.dot{
  width:10px;
  height:10px;
  border-radius:999px;
  background: radial-gradient(circle at 30% 30%, rgba(94,234,212,.95), rgba(45,212,191,.95));
  box-shadow: 0 0 0 3px rgba(45,212,191,.12), 0 0 22px rgba(45,212,191,.22);
}
.footer-link{
  color: rgba(255,255,255,.78);
  text-decoration:none;
  border: 1px solid rgba(255,255,255,.12);
  padding: 7px 10px;
  border-radius: 12px;
  background: rgba(0,0,0,.10);
}
.footer-link:hover{color:#fff;border-color:rgba(255,255,255,.20)}

@media (max-width: 920px){
  .ad{min-height: 200px}
}
@media (max-width: 760px){
  .grid{grid-template-columns: repeat(2, minmax(0, 1fr))}
  .tile{min-height: 168px}
  .ad{min-height: 180px}
  .ad-slot{height: clamp(160px, 34vw, 240px)}
}
@media (max-width: 460px){
  .grid{grid-template-columns: 1fr}
  .ad{min-height: 170px}
  .ad-slot{height: clamp(150px, 48vw, 220px)}
}

/* 登录/注册页（与门户同风格） */
.auth-main {
  width: min(var(--max), 420px);
  margin: 24px auto 32px;
}
.auth-panel {
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 20px 24px;
}
.auth-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}
.auth-tabs a {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.12);
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
}
.auth-tabs a:hover { color: var(--text); border-color: rgba(255,255,255,.2); }
.auth-tabs a.active { background: rgba(45,212,191,.16); border-color: var(--accent); color: #fff; }
.auth-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.2);
  color: var(--text);
  font-size: 15px;
  margin-bottom: 16px;
  box-sizing: border-box;
}
.auth-form input::placeholder { color: var(--muted2); }
.auth-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(45,212,191,.22);
}
.auth-btn {
  width: 100%;
  padding: 14px;
  border-radius: 12px;
  border: none;
  background: linear-gradient(135deg, #14b8a6, var(--accent));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  margin-top: 8px;
}
.auth-btn:hover { opacity: .95; filter: brightness(1.05); }
.auth-btn:disabled { opacity: .5; cursor: not-allowed; }
.auth-err { color: #f87171; font-size: 13px; margin-top: 10px; }
.auth-foot {
  margin-top: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.auth-foot a { color: var(--accent2); text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }
.login-state.is-auth { margin-left: auto; }
.login-state.is-guest { margin-left: auto; }
.login-state-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* 登录后：头像 + 下拉菜单（类 Google） */
.user-menu-wrap { position: relative; }
.user-menu-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, #0d9488, var(--accent));
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.1s ease;
}
.user-menu-trigger:hover { box-shadow: 0 0 0 2px rgba(45,212,191,.35); }
.user-menu-trigger:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; }
.user-avatar { line-height: 1; }
.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 220px;
  padding: 8px 0;
  border-radius: var(--radius2);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  box-shadow: var(--shadow2);
  z-index: 100;
}
.user-menu-dropdown[hidden] { display: none; }
.user-menu-header {
  padding: 10px 14px 8px;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid rgba(255,255,255,.08);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-menu-item {
  display: block;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  color: var(--text);
  font-size: 14px;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.user-menu-item:hover { background: rgba(255,255,255,.08); }
.user-menu-item-logout { color: var(--muted); }
.user-menu-item-logout:hover { color: #fff; background: rgba(248,113,113,.15); }
.auth-fallback { text-align: center; }
.auth-fallback .auth-btn { max-width: 280px; }

/* admin：简单数据表 */
.table-wrap{overflow:auto;border-radius:14px;border:1px solid rgba(255,255,255,.10);background:rgba(0,0,0,.10)}
.data-table{width:100%;border-collapse:collapse;min-width:880px}
.data-table th,.data-table td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.08);vertical-align:middle}
.data-table th{font-size:12.5px;color:rgba(255,255,255,.66);text-align:left;font-weight:750}
.data-table td{font-size:13.5px;color:rgba(255,255,255,.88)}
.data-table tr:hover td{background:rgba(255,255,255,.04)}
.admin-input{border-radius:10px;border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.18);color:rgba(255,255,255,.9);padding:7px 10px}
.admin-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(45,212,191,.2)}