:root{
  --bg:oklch(0.155 0 0);
  --surface:oklch(0.205 0.004 160);
  --surface-2:oklch(0.245 0.006 160);
  --line:oklch(1 0 0 / 0.10);
  --line-strong:oklch(1 0 0 / 0.16);
  --ink:oklch(0.965 0 0);
  --muted:oklch(0.74 0.012 160);
  --signal:oklch(0.86 0.17 158);
  --signal-deep:oklch(0.72 0.15 160);
  --signal-soft:oklch(0.86 0.17 158 / 0.14);
  --on-signal:oklch(0.16 0.02 160);
  --radius:14px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  font-family:var(--font);color:var(--ink);background:var(--bg)
}
*{box-sizing:border-box}
body{margin:0;min-width:320px;background:var(--bg);-webkit-font-smoothing:antialiased;isolation:isolate}
/* Full-page pointer field: fixed canvas, lattice in page space */
.page-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.page-field__canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.9;display:block;max-width:none}
.page-field__glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px circle at var(--mx,50%) var(--my,38%),var(--signal-soft),transparent 60%);transition:opacity .35s ease}
body>:not(.page-field){position:relative;z-index:1}
@media (prefers-reduced-motion:reduce){.page-field__glow{display:none}}
@media (pointer:coarse){.page-field__glow{display:none}}
button,input{font:inherit}
a{color:inherit}
::selection{background:var(--signal);color:var(--on-signal)}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:transparent}
.login-card{width:min(420px,100%);padding:30px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:0 30px 70px -30px oklch(0 0 0 / 0.85)}
.brand-row{display:flex;gap:13px;align-items:center;margin-bottom:22px}
.brand-mark{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--signal);color:var(--on-signal);font-weight:800;box-shadow:0 0 22px oklch(0.86 0.17 158 / 0.4)}
.brand-row h1,.topbar h1{margin:0;font-size:22px;letter-spacing:-0.02em}
.brand-row p,.topbar p{margin:5px 0 0;color:var(--muted);font-size:13px}
.form{display:grid;gap:15px}
.form label{display:grid;gap:8px}
.form span,.modal-form span,.direct-result span{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.01em}
input,select{width:100%;height:42px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;outline:none;background:var(--bg);color:var(--ink);transition:border-color .2s,box-shadow .2s}
select{cursor:pointer;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
select option{background:var(--surface);color:var(--ink)}
input::placeholder{color:oklch(0.6 0.01 160)}
input:focus,select:focus{border-color:var(--signal);box-shadow:0 0 0 3px oklch(0.86 0.17 158 / 0.18)}
button,.actions a,.topbar-actions a{height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--signal);border-radius:10px;background:var(--signal);color:var(--on-signal);text-decoration:none;font-weight:600;padding:0 15px;cursor:pointer;white-space:nowrap;transition:transform .2s,background .2s,border-color .2s,box-shadow .2s}
button:hover,.actions a:hover,.topbar-actions a:hover{background:oklch(0.9 0.17 158);box-shadow:0 8px 24px -10px var(--signal);transform:translateY(-1px)}
button:disabled{cursor:not-allowed;opacity:.55;transform:none;box-shadow:none}
.ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.ghost:hover{background:oklch(1 0 0 / 0.04);color:var(--signal);border-color:var(--signal);box-shadow:none}
.danger{background:transparent;color:oklch(0.78 0.16 25);border-color:oklch(0.5 0.16 25)}
.danger:hover{background:oklch(0.66 0.2 25);color:oklch(0.16 0 0);border-color:oklch(0.66 0.2 25)}
.captcha-row{display:grid;grid-template-columns:minmax(0,1fr) 128px;gap:8px}
.captcha-link{display:block;width:128px;height:44px;border-radius:10px;cursor:pointer;overflow:hidden;border:1px solid var(--line-strong)}
.captcha-link:focus{outline:3px solid oklch(0.86 0.17 158 / 0.3);outline-offset:2px}
.captcha-row img{display:block;width:128px;height:44px}
.alert{margin:0 0 16px;padding:11px 13px;border:1px solid oklch(0.6 0.13 75 / 0.5);border-radius:10px;background:oklch(0.6 0.13 75 / 0.12);color:oklch(0.86 0.1 85);font-size:13px}
.app-page{max-width:1080px;margin:0 auto;padding:26px 22px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
.topbar-actions{display:flex;align-items:center;gap:9px}
.topbar-actions form{margin:0}
.breadcrumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:0 0 14px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:13px;color:var(--muted)}
.breadcrumb a{color:var(--muted);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb strong{color:var(--ink);font-weight:600}
.breadcrumb-sep{color:oklch(1 0 0 / 0.25);user-select:none}
.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.upload-panel{padding:16px;margin-bottom:16px}
.upload-panel form{display:flex;gap:10px;align-items:center}
input[type=file]{padding:7px 12px;height:auto;cursor:pointer}
input[type=file]::file-selector-button{margin-right:12px;height:30px;border-radius:8px;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink);font-weight:600;padding:0 12px;cursor:pointer}
.dropzone{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;height:42px;padding:0 16px;border:1px dashed var(--line-strong);border-radius:10px;background:var(--bg);color:var(--muted);cursor:pointer;transition:border-color .2s,background .2s,color .2s}
.dropzone:hover{border-color:var(--signal);color:var(--ink)}
.dropzone.is-dragover{border-color:var(--signal);background:oklch(0.86 0.17 158 / 0.08);color:var(--signal)}
.dropzone-icon{font-size:15px;line-height:1}
.dropzone-text{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.upload-progress{display:grid;gap:9px;margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--bg)}
.upload-progress[hidden]{display:none}
.upload-progress-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.upload-progress-head span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-size:13px;font-weight:600}
.upload-progress-head strong{font-size:13px;color:var(--signal);font-family:var(--mono)}
.progress-track{height:8px;overflow:hidden;border-radius:999px;background:oklch(1 0 0 / 0.08)}
.progress-bar{width:0%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--signal-deep),var(--signal));transition:width .16s ease}
.hint{margin:11px 0 0;color:var(--muted);font-size:12px}
.upload-progress .hint{margin:0;font-family:var(--mono)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:58px;padding:0 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.panel-head h2{margin:0;font-size:15px;letter-spacing:-0.01em}
.panel-head span{color:var(--muted);font-size:13px;font-family:var(--mono)}
.panel-head-actions{display:flex;align-items:center;gap:12px;padding:10px 0}
.search-input{width:200px;height:34px;font-size:13px}
.table-wrap{overflow-x:auto}
table{width:100%;min-width:780px;border-collapse:collapse}
th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:14px;vertical-align:middle}
th{color:var(--muted);background:transparent;font-weight:600;font-size:12px;letter-spacing:.03em;text-transform:uppercase}
tbody tr{transition:background .2s}
tbody tr:hover{background:oklch(1 0 0 / 0.025)}
tbody tr[hidden]{display:none}
td strong{display:block;font-weight:600}
td span{display:block;margin-top:4px;color:var(--muted);font-size:12px;font-family:var(--mono)}
.file-cell{display:flex;align-items:center;gap:12px}
.file-meta{display:block;min-width:0}
.file-icon{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:9px;font-size:10px;font-weight:700;letter-spacing:.01em;font-family:var(--mono);background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.file-icon-zip{color:oklch(0.8 0.15 75);background:oklch(0.8 0.15 75 / 0.12);border-color:oklch(0.8 0.15 75 / 0.35)}
.file-icon-image{color:oklch(0.78 0.16 300);background:oklch(0.78 0.16 300 / 0.12);border-color:oklch(0.78 0.16 300 / 0.35)}
.file-icon-doc{color:oklch(0.78 0.16 25);background:oklch(0.78 0.16 25 / 0.12);border-color:oklch(0.78 0.16 25 / 0.35)}
.file-icon-sheet{color:oklch(0.82 0.15 145);background:oklch(0.82 0.15 145 / 0.12);border-color:oklch(0.82 0.15 145 / 0.35)}
.file-icon-video{color:oklch(0.78 0.16 260);background:oklch(0.78 0.16 260 / 0.12);border-color:oklch(0.78 0.16 260 / 0.35)}
.file-icon-audio{color:oklch(0.86 0.17 158);background:oklch(0.86 0.17 158 / 0.12);border-color:oklch(0.86 0.17 158 / 0.35)}
.file-icon-code{color:oklch(0.78 0.14 230);background:oklch(0.78 0.14 230 / 0.12);border-color:oklch(0.78 0.14 230 / 0.35)}
.file-icon-folder{color:oklch(0.85 0.14 85);background:oklch(0.85 0.14 85 / 0.14);border-color:oklch(0.85 0.14 85 / 0.4)}
.folder-link{text-decoration:none;color:var(--ink);transition:color .2s}
.folder-link:hover{color:var(--signal)}
.folder-row td span{color:var(--muted)}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.actions form{margin:0}
.actions a,.actions .ghost,.actions .danger{height:34px;padding:0 13px;font-size:13px}
.direct-body{padding:16px}
.direct-body strong{display:block;font-weight:600}
.link-input{margin-top:10px;font-family:var(--mono);font-size:13px}
.ghost-link{background:transparent!important;color:var(--ink)!important;border-color:var(--line-strong)!important}
.ghost-link:hover{color:var(--signal)!important;border-color:var(--signal)!important}
.empty{text-align:center;color:var(--muted);height:96px}
.empty-state{display:grid;gap:8px;justify-content:center;padding:22px 0}
.empty-icon{font-size:26px;opacity:.55}
.empty-state p{margin:0;color:var(--muted);font-size:13px}
.search-empty{display:none;padding:20px 16px;font-size:13px}
.search-empty:not([hidden]){display:block}
.badge-public{display:inline-block;margin-left:8px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;color:var(--signal);background:oklch(0.86 0.17 158 / 0.14);border:1px solid oklch(0.86 0.17 158 / 0.4)}
.ghost.is-public{color:var(--signal);border-color:oklch(0.86 0.17 158 / 0.5);background:oklch(0.86 0.17 158 / 0.12)}
.ghost.is-public:hover{border-color:var(--signal);background:oklch(0.86 0.17 158 / 0.18);color:var(--signal)}
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px}
.modal-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:0;background:oklch(0 0 0 / 0.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:0;cursor:pointer}
.modal-backdrop:hover{background:oklch(0 0 0 / 0.66)}
.modal-card{position:relative;width:min(520px,100%);max-height:min(680px,calc(100vh - 36px));overflow:auto;border:1px solid var(--line-strong);border-radius:16px;background:var(--surface);box-shadow:0 40px 90px -30px oklch(0 0 0 / 0.9);animation:modal-in .18s ease}
@keyframes modal-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.confirm-card{width:min(420px,100%)}
.confirm-actions{grid-template-columns:1fr 1fr;grid-auto-flow:column;display:grid;gap:10px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 18px 14px;border-bottom:1px solid var(--line)}
.modal-head h2{margin:0;font-size:17px;letter-spacing:-0.01em}
.modal-head p{margin:6px 0 0;color:var(--muted);font-size:13px;word-break:break-all;font-family:var(--mono)}
.icon-button{width:34px;height:34px;padding:0;border-color:var(--line-strong);background:transparent;color:var(--muted);font-size:20px;line-height:1}
.icon-button:hover{background:oklch(1 0 0 / 0.05);color:var(--ink);border-color:var(--line-strong);transform:none;box-shadow:none}
.modal-form,.direct-result{display:grid;gap:13px;padding:18px}
.modal-form label,.direct-result label{display:grid;gap:8px}
.time-field{display:grid;grid-template-columns:minmax(0,1fr) 56px;align-items:center}
.time-field input{border-radius:10px 0 0 10px}
.time-field span{height:42px;display:grid;place-items:center;border:1px solid var(--line-strong);border-left:0;border-radius:0 10px 10px 0;background:var(--surface-2);color:var(--muted);font-size:13px}
.direct-result .actions{margin-top:2px}
.modal-status{min-height:18px;margin:0;padding:0 18px 18px;color:var(--muted);font-size:13px}
.share-button[data-direct-link]{border-color:oklch(0.86 0.17 158 / 0.5);background:oklch(0.86 0.17 158 / 0.12);color:var(--signal)}
.share-button[data-direct-link]:hover{border-color:var(--signal);background:oklch(0.86 0.17 158 / 0.18);color:var(--signal)}
@media(max-width:700px){.app-page{padding:16px 14px}.topbar,.upload-panel form{align-items:flex-start;flex-direction:column}.topbar-actions{width:100%;align-items:stretch;flex-direction:column}.upload-panel button,.topbar button,.dropzone{width:100%}.upload-progress{width:100%}.upload-progress-head{align-items:flex-start;flex-direction:column}.modal{align-items:end;padding:10px}.modal-card{width:100%;max-height:calc(100vh - 20px)}.direct-result .actions{align-items:stretch;flex-direction:column}.direct-result .actions button,.direct-result .actions a{width:100%}.panel-head-actions{width:100%;flex-direction:column;align-items:stretch}.search-input{width:100%}
table{min-width:0}
thead{display:none}
tbody tr{display:block;border:1px solid var(--line);border-radius:12px;margin:0 0 12px;background:var(--surface-2)}
tbody tr:hover{background:var(--surface-2)}
td{display:block;border-bottom:0;padding:8px 14px}
td:first-child{padding-top:14px}
td.actions{padding-bottom:14px}
td[data-label]::before{content:attr(data-label);display:block;margin-bottom:3px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase}
}