/* ===== 图床 · 苹果风 ===== */
:root{
  --bg:#f5f5f7; --bg2:#ebebed;
  --card:rgba(255,255,255,.72);
  --card-solid:#fff;
  --text:#1d1d1f; --muted:#86868b;
  --accent:#0071e3; --accent-press:#0062c4;
  --border:rgba(0,0,0,.08); --border-strong:rgba(0,0,0,.14);
  --danger:#ff3b30; --ok:#34c759;
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --radius:18px; --radius-sm:12px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000; --bg2:#1c1c1e; --card:rgba(28,28,30,.72); --card-solid:#1c1c1e;
    --text:#f5f5f7; --muted:#98989d; --border:rgba(255,255,255,.1); --border-strong:rgba(255,255,255,.18);
    --shadow:0 8px 30px rgba(0,0,0,.5);
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font); color:var(--text); line-height:1.5;
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  background-attachment:fixed; -webkit-font-smoothing:antialiased;
}
.hidden{display:none !important}
.muted{color:var(--muted)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:rgba(127,127,127,.14);padding:1px 6px;border-radius:6px;font-size:.86em}
.glass{background:var(--card);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px)}

/* ===== 按钮 ===== */
.btn{font:inherit;font-weight:500;border:none;border-radius:980px;padding:9px 18px;cursor:pointer;
  transition:transform .15s ease,background .2s ease,opacity .2s;color:var(--text);background:transparent}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-press)}
.btn-ghost{background:rgba(127,127,127,.12)}
.btn-ghost:hover{background:rgba(127,127,127,.2)}
.btn-danger{background:rgba(255,59,48,.12);color:var(--danger)}
.btn-danger:hover{background:rgba(255,59,48,.22)}
.btn-block{width:100%;padding:12px}
.btn-sm{padding:6px 12px;font-size:.85rem}

/* ===== 登录 ===== */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:24px}
.auth-card{width:100%;max-width:380px;padding:36px 30px;border-radius:26px;border:1px solid var(--border);box-shadow:var(--shadow);text-align:center}
.brand-logo{font-size:42px;line-height:1}
.auth-title{font-size:26px;font-weight:600;margin-top:8px;letter-spacing:-.02em}
.auth-sub{color:var(--muted);margin-bottom:22px;font-size:.95rem}
.seg{display:flex;background:rgba(127,127,127,.12);border-radius:12px;padding:3px;margin-bottom:20px}
.seg-btn{flex:1;border:none;background:transparent;padding:8px;border-radius:9px;font:inherit;font-weight:500;color:var(--muted);cursor:pointer;transition:.2s}
.seg-btn.active{background:var(--card-solid);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.12)}
.auth-form{display:flex;flex-direction:column;gap:14px;text-align:left}
.field{display:flex;flex-direction:column;gap:6px}
.field span{font-size:.82rem;color:var(--muted);padding-left:4px}
.field input{font:inherit;padding:12px 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--card-solid);color:var(--text);transition:.2s}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.15)}
.form-err{color:var(--danger);font-size:.85rem;min-height:1.2em;text-align:center}
.auth-foot{color:var(--muted);font-size:.8rem}

/* ===== 顶栏 ===== */
.topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border)}
.topbar-in{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:20px;padding:12px 22px}
.brand{font-weight:600;font-size:1.15rem;letter-spacing:-.01em;display:flex;align-items:center;gap:6px}
.brand-mark{color:var(--accent)}
.tabs{display:flex;gap:4px;margin-left:8px;flex:1}
.tab{border:none;background:transparent;font:inherit;color:var(--muted);padding:7px 14px;border-radius:980px;cursor:pointer;transition:.2s}
.tab:hover{color:var(--text)}
.tab.active{background:rgba(127,127,127,.14);color:var(--text);font-weight:500}
.user-menu{display:flex;align-items:center;gap:12px}
.user-name{font-size:.9rem;color:var(--muted)}

/* ===== 布局 ===== */
.container{max-width:1080px;margin:0 auto;padding:30px 22px 60px}
.view{animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.card{background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.view-title{font-size:1.4rem;font-weight:600;letter-spacing:-.02em}
.filters{display:flex;gap:10px;flex:1;flex-wrap:wrap}
.input{font:inherit;padding:9px 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--card-solid);color:var(--text)}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(0,113,227,.15)}
.search{flex:1;min-width:180px}
.hint-line{margin:-6px 0 16px}

/* ===== 上传 ===== */
.drop-zone{padding:54px 24px;text-align:center;border:2px dashed var(--border-strong);cursor:pointer;transition:.2s}
.drop-zone.drag{border-color:var(--accent);background:rgba(0,113,227,.06)}
.drop-icon{font-size:40px;color:var(--accent)}
.drop-title{font-size:1.1rem;font-weight:500;margin-top:10px}
.drop-hint{color:var(--muted);font-size:.9rem;margin-top:4px}
.upload-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.up-item{background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;box-shadow:var(--shadow)}
.up-row{display:flex;align-items:center;gap:12px}
.up-name{font-weight:500;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.up-status{font-size:.82rem;color:var(--muted)}
.up-bar{height:6px;background:rgba(127,127,127,.18);border-radius:3px;margin-top:10px;overflow:hidden}
.up-bar-fill{height:100%;width:0;background:var(--accent);border-radius:3px;transition:width .2s}
.up-url{display:flex;gap:8px;margin-top:10px;align-items:center}
.up-url input{flex:1;font-size:.82rem;font-family:ui-monospace,monospace;padding:7px 10px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--text)}
.badge{font-size:.72rem;padding:2px 9px;border-radius:980px;font-weight:600}
.badge.img{background:rgba(52,199,89,.16);color:#1c8b3a}
.badge.video{background:rgba(175,82,222,.16);color:#9333ea}
.badge.file{background:rgba(127,127,127,.18);color:var(--muted)}
.badge.dedup{background:rgba(0,113,227,.14);color:var(--accent)}

/* ===== 文件网格 ===== */
.files-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}
.file-card{background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s}
.file-card:hover{transform:translateY(-3px)}
.file-thumb{height:130px;background:var(--bg2);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.file-thumb img{width:100%;height:100%;object-fit:cover}
.file-thumb .ph{font-size:34px;color:var(--muted)}
.file-meta{padding:11px 12px}
.file-name{font-size:.85rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-sub{display:flex;justify-content:space-between;align-items:center;margin-top:6px;font-size:.75rem;color:var(--muted)}
.file-actions{display:flex;gap:6px;padding:0 12px 12px}
.file-actions .btn{flex:1}
.pager{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:26px}
.empty{text-align:center;color:var(--muted);padding:50px 0}

/* ===== 用量 ===== */
.usage-card{padding:24px}
.usage-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}
.usage-pkg{font-size:1.25rem;font-weight:600}
.usage-num{font-size:1.05rem}
.usage-num b{font-size:1.3rem}
.bar{height:12px;background:rgba(127,127,127,.18);border-radius:6px;overflow:hidden}
.bar-fill{height:100%;width:0;background:linear-gradient(90deg,#34c759,#0071e3);border-radius:6px;transition:width .5s ease}
.bar-fill.warn{background:linear-gradient(90deg,#ff9500,#ff3b30)}
.usage-pct{margin-top:8px;font-size:.85rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-top:18px}
.stat-card{background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px;box-shadow:var(--shadow)}
.stat-num{font-size:1.7rem;font-weight:600}
.stat-label{color:var(--muted);font-size:.85rem;margin-top:2px}

/* ===== Keys ===== */
.keys-list{display:flex;flex-direction:column;gap:10px}
.key-item{background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:14px}
.key-info{flex:1;min-width:0}
.key-name{font-weight:500}
.key-prefix{font-family:ui-monospace,monospace;color:var(--muted);font-size:.82rem}

/* ===== 弹窗 / toast ===== */
.modal-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;animation:fade .2s}
.modal{width:100%;max-width:440px;border-radius:22px;border:1px solid var(--border);box-shadow:var(--shadow);padding:26px}
.modal h3{font-size:1.25rem;font-weight:600;margin-bottom:14px;letter-spacing:-.01em}
.modal .field{margin-bottom:14px}
.modal-actions{display:flex;gap:10px;margin-top:8px}
.modal-actions .btn{flex:1}
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(80px);background:#1d1d1f;color:#fff;padding:12px 22px;border-radius:14px;font-size:.9rem;box-shadow:var(--shadow);opacity:0;transition:.3s;z-index:200;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* ===== 接入文档 ===== */
#view-docs .doc-h{font-size:1.05rem;font-weight:600;margin:26px 0 8px;letter-spacing:-.01em}
#view-docs .doc-p{margin-bottom:8px;font-size:.92rem}
.doc-list{margin:6px 0;list-style:none;display:flex;flex-direction:column;gap:7px;font-size:.9rem}
.doc-list li{padding-left:16px;position:relative}
.doc-list li::before{content:"›";position:absolute;left:2px;color:var(--accent);font-weight:700}
.code-block{position:relative;margin:8px 0 14px}
.code-block pre{background:var(--card-solid);border:1px solid var(--border);border-radius:12px;padding:14px 16px;padding-right:64px;overflow:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.82rem;line-height:1.55;color:var(--text);white-space:pre}
.code-copy{position:absolute;top:8px;right:8px;border:none;background:rgba(127,127,127,.16);color:var(--text);font:inherit;font-size:.76rem;padding:4px 10px;border-radius:8px;cursor:pointer;transition:.2s;opacity:.75}
.code-copy:hover{opacity:1;background:rgba(127,127,127,.3)}

@media (max-width:640px){
  .topbar-in{flex-wrap:wrap;gap:10px}
  .tabs{order:3;width:100%;overflow-x:auto}
}