/* Anthracite — design system */

/* ---------- fonts (self-hosted) ---------- */
@font-face{font-family:'IBM Plex Sans';font-weight:300;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-sans-300.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:400;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-sans-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:500;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-sans-500.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:600;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-sans-600.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-weight:700;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-sans-700.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-weight:400;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-mono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-weight:500;font-style:normal;font-display:swap;src:url('/static/fonts/ibm-plex-mono-500.woff2') format('woff2')}

/* ---------- tokens ---------- */
:root{
  --ink:#0B1220; --ink-2:#39414F; --muted:#6B7280; --line:#E6E8EE; --line-2:#EFF1F5;
  --paper:#FFFFFF; --panel:#FBFBFD; --accent:#2456E6; --accent-ink:#1B43BD; --accent-soft:#F5F8FF;
  --ok:#0E7C5A; --ok-soft:#ECF7F2; --danger:#C0362C; --danger-soft:#FBF1F0;
  --radius:14px; --grid:rgba(11,18,32,.035);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
html.preload{opacity:0}
body{
  font-family:'IBM Plex Sans',system-ui,sans-serif;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;line-height:1.5;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:34px 34px;
}
.mono{font-family:'IBM Plex Mono',monospace}
a{color:var(--accent);text-decoration:none}
.wrap{min-height:100%;display:flex;flex-direction:column}

/* ---------- header ---------- */
header{display:flex;align-items:center;justify-content:center;padding:12px 28px;background:var(--ink)}
.brand{font-weight:700;font-size:28px;letter-spacing:-.02em;color:#F4F6F9;text-decoration:none}
.brand .stop{color:#3D6BFF}

/* ---------- index: split layout ---------- */
main{flex:1;display:grid;grid-template-columns:1.05fr .95fr;max-width:1180px;width:100%;margin:0 auto;padding:0 28px}
.left{padding:40px 48px 40px 0;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--line)}
.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--accent-ink);font-weight:600;margin-bottom:15px}
h1{font-size:clamp(34px,4vw,50px);line-height:1.04;letter-spacing:-.03em;font-weight:600}
h1 em{font-style:normal;color:var(--muted)}
.sub{margin-top:16px;color:var(--ink-2);font-size:16px;max-width:42ch}
.trust{margin-top:24px;display:flex;flex-direction:column;border-top:1px solid var(--line)}
.trust .row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--line-2)}
.trust .k{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px var(--ok-soft);flex:none}
.trust .t{font-size:14px;color:var(--ink)}
.trust .v{margin-left:auto;font-size:11px;letter-spacing:.08em;color:var(--muted)}
.right{display:flex;align-items:center;padding:28px 0 28px 48px}

/* ---------- card (shared) ---------- */
.card{width:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 0 rgba(11,18,32,.02),0 24px 48px -32px rgba(11,18,32,.18);overflow:hidden}
.card-h{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.card-h .ttl{font-size:13px;font-weight:600;letter-spacing:-.01em}
.card-h .id{font-size:11px;color:var(--muted)}
.body{padding:18px 20px}
.foot{padding:12px 20px;border-top:1px solid var(--line);display:flex;align-items:center;gap:8px;color:var(--muted);font-size:10.5px;letter-spacing:.05em}
.dot{width:5px;height:5px;border-radius:50%;background:var(--ok);flex:none}

/* ---------- tabs ---------- */
.tabs{display:flex;padding:0 0 0}
.tab{flex:1;text-align:center;font-size:13.5px;font-weight:500;color:var(--muted);padding:11px 0;cursor:pointer;position:relative;background:none;border:none;font-family:inherit}
.tab.on{color:var(--ink)}
.tab.on::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--accent);border-radius:2px}
.tabwrap{display:flex;border-bottom:1px solid var(--line);margin-bottom:16px}

/* ---------- upload form ---------- */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;height:176px;border:1.5px dashed var(--line);border-radius:11px;background:var(--panel);text-align:center;cursor:pointer;transition:.18s}
.drop:hover,.drop.hot{border-color:var(--accent);background:var(--accent-soft)}
.drop .ic{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;margin-bottom:11px;color:var(--accent);background:#fff}
.drop b{font-weight:600;font-size:14.5px}
.drop small{display:block;color:var(--muted);font-size:12px;margin-top:5px}
#text_content{display:none;width:100%;height:176px;border:1px solid var(--line);border-radius:11px;padding:13px;font-family:inherit;font-size:14px;resize:none;background:var(--panel);color:var(--ink)}
#text_content:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(36,86,230,.12)}
.opt{margin-top:13px;display:grid;gap:10px}
.field{border:1px solid var(--line);border-radius:11px;padding:12px 13px;display:flex;align-items:center;gap:11px}
.field:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(36,86,230,.12)}
.field svg{flex:none;color:var(--muted)}
.field input,.field select{border:none;background:none;font-family:inherit;font-size:14px;color:var(--ink);width:100%;outline:none}
.field .lab{font-size:11px;letter-spacing:.1em;color:var(--muted);white-space:nowrap;flex:none}
/* themed custom select (replaces native <select>) */
.exp-field{cursor:pointer}
.select{flex:1;min-width:0;display:flex;justify-content:flex-end}
.select-btn{display:flex;align-items:center;gap:9px;background:none;border:none;font-family:inherit;font-size:14px;color:var(--ink);cursor:pointer;padding:0}
.select-btn .chev{color:var(--muted);transition:transform .18s;flex:none}
.select-btn[aria-expanded="true"] .chev{transform:rotate(180deg)}
.select-menu{position:fixed;background:#fff;border:1px solid var(--line);border-radius:11px;box-shadow:0 14px 36px -10px rgba(11,18,32,.26);padding:5px;z-index:80;display:none;margin:0;list-style:none}
.select-menu.open{display:block}
.select-menu li{padding:9px 12px;border-radius:7px;font-size:13.5px;color:var(--ink-2);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
.select-menu li:hover{background:var(--panel)}
.select-menu li.on{color:var(--ink);font-weight:500}
.select-menu li.on::after{content:"✓";color:var(--accent);font-weight:700;font-size:12px}
.toggle{margin-left:auto;font-size:12px;color:var(--accent);cursor:pointer;font-weight:500;user-select:none;background:none;border:none;font-family:inherit}

/* ---------- buttons ---------- */
.btn{width:100%;border:none;background:var(--ink);color:#fff;font-family:inherit;font-size:14.5px;font-weight:500;padding:13px;border-radius:11px;cursor:pointer;transition:.15s;display:flex;align-items:center;justify-content:center;gap:9px;text-decoration:none}
.btn:hover{background:var(--accent)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:var(--panel);border-color:var(--ink-2);color:var(--ink)}
.btn.danger{background:var(--danger)}
.btn.danger:hover{background:#9d2b22}
.submit{margin-top:14px}

/* ---------- success state ---------- */
/* form + result share one grid cell → card height = max(form,result), no resize on swap */
.bodystack{display:grid}
.bodystack>.body{grid-area:1/1;min-width:0}
.result{align-self:center;visibility:hidden;opacity:0;pointer-events:none}
.card.done .form-view{visibility:hidden;opacity:0;pointer-events:none}
.card.done .result{visibility:visible;opacity:1;pointer-events:auto}
.card.done .card-h{display:none}
.res-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line-2);margin-bottom:14px}
.res-head .chk{width:24px;height:24px;border-radius:7px;background:var(--panel);border:1px solid var(--line);color:var(--accent);display:grid;place-items:center;flex:none}
.res-head .ttl{font-weight:600;font-size:14px}
.res-head .exp{margin-left:auto;font-size:10.5px;letter-spacing:.08em;color:var(--muted)}
.lbl{font-size:10.5px;letter-spacing:.12em;color:var(--muted);margin-bottom:5px;display:block}
.copyrow{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:14px}
.copyrow .val{flex:1;min-width:0;padding:11px 12px;font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:var(--panel)}
.copyrow .copy{flex:none;border:none;border-left:1px solid var(--line);background:#fff;color:var(--accent);font-family:inherit;font-size:12px;font-weight:600;padding:0 15px;cursor:pointer;transition:.15s}
.copyrow .copy:hover{background:var(--accent-soft)}
.copyrow .copy.done{color:var(--ok)}
.owner-sep{display:flex;align-items:center;gap:10px;margin:4px 0 12px;color:var(--muted);font-size:10px;letter-spacing:.14em}
.owner-sep::before,.owner-sep::after{content:"";flex:1;height:1px;background:var(--line)}
.del-hint{font-size:11.5px;color:var(--muted);margin:-6px 0 16px;line-height:1.45}
.again{background:none;border:none;font-family:inherit;font-size:13px;color:var(--accent);font-weight:500;cursor:pointer;display:block;margin:0 auto;padding:6px}

/* ---------- centered pages (share / password / delete / error) ---------- */
.center{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 22px}
.center .card{max-width:460px}
.page-h{display:flex;align-items:center;gap:11px;padding:18px 20px 16px}
.page-h .pic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none;background:var(--panel);border:1px solid var(--line);color:var(--accent)}
.page-h .pic.warn{color:var(--danger);background:var(--panel);border-color:#EAD6D3}
.page-h .h{font-size:16px;font-weight:600;letter-spacing:-.01em}
.page-h .s{font-size:12.5px;color:var(--muted)}

/* file detail */
.fileblock{border:1px solid var(--line);border-radius:11px;background:var(--panel);padding:15px;margin-bottom:6px}
.fileblock .fn{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;word-break:break-all}
.fileblock .fn .fi{flex:none;color:var(--accent)}
.fileblock .meta{margin-top:7px;font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.fileblock .meta b{color:var(--ink-2);font-weight:500}
.sha{display:flex;align-items:center;gap:8px;margin-top:11px;padding-top:11px;border-top:1px solid var(--line-2)}
.sha .skey{font-size:10px;letter-spacing:.1em;color:var(--muted);flex:none}
.sha .sval{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sha .copy{flex:none;border:none;background:none;color:var(--accent);font-family:inherit;font-size:11px;font-weight:600;cursor:pointer}
.sha .copy.done{color:var(--ok)}
.dl-note{text-align:center;font-size:11.5px;color:var(--muted);margin-top:10px}
.dl-note .cd{font-family:'IBM Plex Mono',monospace;color:var(--ink-2)}
.dl-note .cd.warn{color:var(--danger)}
.done-note{display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px;color:var(--ok);margin-top:10px}

/* text view */
.noteview{width:100%;min-height:150px;max-height:260px;overflow:auto;resize:none;border:1px solid var(--line);border-radius:11px;background:var(--panel);padding:13px;font-family:'IBM Plex Mono',monospace;font-size:13px;color:var(--ink);white-space:pre-wrap;word-break:break-word}
.btnrow{display:flex;gap:10px;margin-top:13px}
.btnrow .btn{flex:1}

/* password gate */
.gate-field{display:flex;gap:10px;margin-top:4px}
.gate-field .field{flex:1}
.gate-field .btn{width:auto;padding:0 20px}
.attempts{font-size:12px;color:var(--danger);margin-top:11px;display:none}
.attempts.show{display:block}
.gate-note{font-size:11.5px;color:var(--muted);margin-top:13px;line-height:1.5}

/* alert */
.alert{padding:12px 14px;border-radius:10px;font-size:13px;margin-bottom:14px}
.alert.err{background:var(--danger-soft);color:var(--danger);border:1px solid #F1D9D6}
.alert.ok{background:var(--ok-soft);color:var(--ok);border:1px solid #CDE9DF}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(8px);background:var(--ink);color:#fff;font-size:13px;padding:11px 18px;border-radius:10px;box-shadow:0 12px 30px -10px rgba(0,0,0,.4);opacity:0;transition:.22s;z-index:1000;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- responsive ---------- */
@media(max-width:880px){
  body{background-size:28px 28px}
  main{grid-template-columns:1fr;padding:0 20px}
  .left{border-right:none;border-bottom:1px solid var(--line);padding:34px 0}
  .right{padding:28px 0 48px}
  h1{font-size:34px}
}