:root{
  --bg:#f4f5f7;
  --card:#ffffff;
  --ink:#111318;
  --muted:#747984;
  --line:#e2e5e9;
  --accent:#1c6ef2;
  --accent-dark:#1458c8;
  --soft:#eef4ff;
  --success:#0a7c4b;
  --success-soft:#eaf8f0;
  --danger:#b42318;
  --danger-soft:#fff0ef;
  --warn:#936200;
  --warn-soft:#fff7df;
  --radius:22px;
  --shadow:0 12px 40px rgba(20,25,35,.05);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
html{color-scheme:light;scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.55}
button,input,textarea,select{font:inherit}
a{color:inherit}

/* SignFlow-style top bar */
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(22px,4vw,58px);background:rgba(244,245,247,.9);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(220,223,227,.72)}
.brand{display:flex;align-items:center;text-decoration:none;color:var(--ink);line-height:1}
.brand img{display:block;width:183px;height:auto;max-height:44px}
.top-actions{display:flex;align-items:center;gap:18px}
.admin-nav{display:flex;align-items:center;gap:18px}
.nav-link{text-decoration:none;color:var(--muted);font-size:14px;font-weight:650}
.nav-link:hover{color:var(--ink)}
.mode{font-size:11px;font-weight:800;background:#fff;border:1px solid var(--line);padding:7px 10px;border-radius:999px;color:#555b65;text-transform:uppercase;letter-spacing:.06em}
.shell{max-width:1260px;margin:0 auto;padding:0 28px 80px}
footer{text-align:center;color:#9aa0aa;font-size:11px;padding:0 20px 34px}
footer a{color:#646b76;text-underline-offset:2px}

/* Headlines */
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--accent);margin-bottom:12px}
.hero{min-height:330px;display:flex;align-items:center;justify-content:space-between;gap:36px;background:transparent;padding:22px 0}
.hero>div:first-child{max-width:800px}
.hero h1,.public-hero h1,.login-card h1,.result h1{font-size:clamp(44px,6vw,76px);line-height:.98;letter-spacing:-.06em;margin:0;color:var(--ink);font-weight:850}
.hero h1 span{color:#9aa0aa}
.hero p{font-size:19px;color:var(--muted);max-width:650px;margin:20px 0 0}
.hero-stat{background:#111318;color:#fff;border-radius:28px;padding:28px;width:230px;aspect-ratio:1.25;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:0 25px 70px rgba(17,19,24,.18)}
.hero-stat b{font-size:44px;line-height:.95;letter-spacing:-.05em}
.hero-stat span{color:#aeb4bf;margin-top:7px;font-size:13px}

/* Panels */
.grid.two{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(300px,.7fr);gap:22px;align-items:start}
.card,.public-card,.login-card,.result{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{padding:28px}
.card.wide{margin-top:22px}
.security-card{padding:14px;position:sticky;top:92px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}
.card h2,.public-card h2{margin:0;font-size:23px;letter-spacing:-.03em}

/* Forms */
.form{display:grid;gap:0}
.form label{display:grid;gap:8px;font-size:13px;font-weight:750;margin-bottom:16px;color:#333840}
.form label small{color:var(--muted);font-size:11.5px;font-weight:500;margin-top:-3px}
.form input,.form select,.share-link input{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:#fbfbfc;outline:none;transition:.2s;color:var(--ink)}
.form input:focus,.form select:focus,.share-link input:focus{border-color:#9dbaf0;box-shadow:0 0 0 4px var(--soft);background:#fff}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.primary,.secondary,.download,.link{cursor:pointer;font-weight:800;text-decoration:none}
.primary{border:0;border-radius:13px;background:#111318;color:#fff;padding:15px 18px;display:inline-flex;justify-content:center;align-items:center;gap:10px;min-height:48px}
.form>.primary{width:100%;margin-top:6px;justify-content:space-between}
.form>.primary::after{content:"→";font-size:17px}
.primary:hover{background:#22262e}
.secondary{border:1px solid var(--line);border-radius:13px;background:#f2f3f5;color:#3e424a;padding:12px 15px;display:inline-flex;align-items:center;justify-content:center}
.secondary:hover{background:#e9ebee}
.link{border:0;background:transparent;color:var(--accent);padding:5px 3px;font-size:12px}
.link:hover{color:var(--accent-dark)}
.link.danger,.danger-text{color:var(--danger)}
.danger-button{cursor:pointer;border:0;border-radius:13px;background:var(--danger);color:#fff;padding:14px 18px;font-weight:800;margin:12px 10px 12px 0}
.danger-button:hover{background:#8f1c14}
.button-row{display:flex;justify-content:flex-end;gap:10px;margin-top:10px}

/* Security side panel - mirrors SignFlow mini cards */
.steps{padding:0;margin:6px 0 14px;list-style:none;counter-reset:steps}
.steps li{display:grid;grid-template-columns:38px 1fr;column-gap:14px;padding:18px;border-bottom:1px solid var(--line);counter-increment:steps}
.steps li:last-child{border-bottom:0}
.steps li::before{content:counter(steps);width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#f1f4f8;color:var(--ink);font-size:11px;font-weight:900;grid-row:1/3}
.steps b{font-size:14px}
.steps span{font-size:12.5px;line-height:1.5;color:var(--muted);margin-top:4px}
.security-card h2{padding:4px 18px 5px;margin:0;font-size:23px;letter-spacing:-.03em}
.security-card>.eyebrow{padding:8px 18px 0}
.security-card form{padding:8px 18px 14px}
.security-card .secondary{width:100%}
.security-actions{display:grid;gap:8px;padding:8px 18px 14px}
.security-actions form{padding:0}

/* Read-only operations dashboard */
.status-hero{min-height:245px;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:30px 0}
.status-hero h1{font-size:clamp(44px,6vw,72px);line-height:1;letter-spacing:-.06em;margin:0}
.status-hero p{font-size:17px;color:var(--muted);margin:18px 0 0;max-width:680px}
.overall-panel{min-width:275px;border-radius:22px;padding:22px;display:flex;align-items:center;gap:14px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.overall-panel b{display:block;font-size:18px}
.overall-panel small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.status-dot{width:12px;height:12px;border-radius:999px;display:inline-block;flex:0 0 auto;background:#8b929d;box-shadow:0 0 0 5px rgba(139,146,157,.12)}
.overall-panel.ok .status-dot,.status-card.ok .status-dot{background:var(--success);box-shadow:0 0 0 5px rgba(10,124,75,.12)}
.overall-panel.warning .status-dot,.status-card.warning .status-dot{background:#d99200;box-shadow:0 0 0 5px rgba(217,146,0,.13)}
.overall-panel.critical .status-dot,.status-card.critical .status-dot{background:var(--danger);box-shadow:0 0 0 5px rgba(180,35,24,.12)}
.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.status-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;min-height:170px;box-shadow:var(--shadow)}
.status-card.ok{border-top:3px solid var(--success)}
.status-card.warning{border-top:3px solid #d99200}
.status-card.critical{border-top:3px solid var(--danger)}
.status-card.unknown{border-top:3px solid #8b929d}
.status-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.status-card h2{font-size:17px;line-height:1.25;margin:0 0 7px;letter-spacing:-.02em}
.status-card p{color:var(--muted);font-size:12.5px;margin:0;line-height:1.55}
.status-card small{display:block;color:#9298a2;font-size:10.5px;margin-top:12px}
.status.warning{background:var(--warn-soft);color:var(--warn)}
.status.critical{background:var(--danger-soft);color:var(--danger)}
.status.unknown{background:#f0f1f3;color:#646b76}
.status-footnote{margin-top:20px;border:1px solid #dce7fa;background:var(--soft);border-radius:16px;padding:16px 18px;display:flex;gap:12px;align-items:baseline}
.status-footnote b{font-size:12px;white-space:nowrap;color:#184f9d}
.status-footnote span{font-size:12px;color:#4f6079}
.status-empty{max-width:760px;margin:0 auto!important;text-align:center}
.status-empty .lock{margin:0 auto 16px}
.status-empty p{color:var(--muted)}
.status-empty code{font-size:12px;background:#f2f3f5;padding:3px 5px;border-radius:5px}

/* Tables / status */
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;white-space:nowrap}
th{text-align:left;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.08em;padding:12px;border-bottom:1px solid var(--line)}
td{padding:14px 12px;border-bottom:1px solid #f0f1f3;vertical-align:top;font-size:13px}
td strong{font-size:13px}
td small{display:block;color:var(--muted);font-size:11px;margin-top:3px}
.status{display:inline-block;font-size:10px;text-transform:uppercase;letter-spacing:.06em;font-weight:850;padding:6px 8px;border-radius:999px;background:var(--success-soft);color:var(--success)}
.status.gesperrt,.status.abgelaufen{background:var(--danger-soft);color:var(--danger)}
.row-actions{display:flex;gap:10px;align-items:center}
.row-actions form{margin:0}
.empty{padding:30px;text-align:center;color:var(--muted)}

/* Result / file-selection */
.result{max-width:820px;margin:48px auto;padding:36px}
.result.wide-result{max-width:1050px;text-align:left}
.result h1{font-size:clamp(38px,5vw,58px);margin:10px 0 14px}
.result p{color:var(--muted)}
.check,.lock{width:54px;height:54px;border-radius:16px;background:#111318;color:#fff;display:grid;place-items:center;font-size:23px;font-weight:900;margin-bottom:18px}
.lock{background:var(--danger-soft);color:var(--danger)}
.lock.good{background:var(--success-soft);color:var(--success)}
.share-link{display:flex;gap:10px;margin:26px 0}
.share-link input{flex:1}
.result-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 28px}
.result-meta span{background:#f7f8fa;border:1px solid #edf0f2;padding:14px;border-radius:14px;font-size:12px;overflow-wrap:anywhere}
.result-meta b{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:5px}
.selection-head{background:#f7f8fa;border:1px solid #edf0f2;padding:14px 16px;border-radius:14px;display:flex;justify-content:space-between;gap:16px;margin-bottom:12px}
.selection-head span{color:var(--muted);font-size:12px}
.file-selection{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.file-group+.file-group{border-top:1px solid var(--line)}
.file-group-head,.room-file-group-head{padding:9px 16px;background:#f4f6f8;color:#626975;font-size:11px;font-weight:850;letter-spacing:.04em;text-transform:uppercase}
.file-select{display:grid!important;grid-template-columns:26px 1fr auto;gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid #f0f1f3;cursor:pointer;margin:0!important}
.file-group .file-select:last-child{border-bottom:0}
.file-select:hover{background:#fafbfc}
.file-select input{width:18px!important;height:18px;margin:0!important;accent-color:var(--accent)}
.file-main b{display:block;overflow-wrap:anywhere;font-size:13px}
.file-main small{display:block;color:var(--muted);font-weight:500;margin-top:3px}
.mini{font-size:10px;padding:5px 8px;border-radius:999px;white-space:nowrap;font-weight:800}
.mini.ok{background:var(--success-soft);color:var(--success)}
.mini.warn{background:var(--warn-soft);color:var(--warn)}

/* Public / recipient flow */
.public-hero{min-height:245px;display:flex;flex-direction:column;justify-content:flex-end;padding:38px 0 30px}
.public-hero h1{font-size:clamp(38px,5.5vw,66px)}
.public-hero p{color:var(--muted);font-size:17px;margin:17px 0 0}
.expiry{display:inline-flex;align-self:flex-start;margin-top:18px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 11px;font-size:12px;font-weight:750;color:#555b65}
.public-card{padding:28px}
.auth-card{max-width:620px;margin:0 auto;text-align:left;padding:30px}
.auth-card h2{font-size:30px;letter-spacing:-.04em;margin:2px 0 8px}
.auth-card p{color:var(--muted);font-size:14px;line-height:1.6}
.auth-card small{display:block;margin-top:16px;color:#8a9099;font-size:11.5px;line-height:1.55}
.auth-card .form{margin-top:22px}
.otp-input{font-size:25px!important;letter-spacing:.35em;text-align:center;font-weight:850;background:#fff!important}
.demo-code{border:1px dashed #e0b35b;background:#fff8e7;border-radius:13px;padding:12px 14px;margin:18px 0;color:#6b4b10;font-size:13px}
.public-card-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.public-card-head h2{margin:0}
.public-card-head p{margin:4px 0 0;color:var(--muted);font-size:12.5px}
.room-sticky-head{position:sticky;top:72px;z-index:8;margin:-28px -28px 0;padding:28px 28px 14px;border-radius:22px 22px 0 0;background:rgba(255,255,255,.94);backdrop-filter:blur(14px)}
.room-tools{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:14px}
.room-search{position:relative;display:flex;align-items:center;flex:1;max-width:540px}
.room-search svg{position:absolute;left:13px;width:18px;height:18px;fill:none;stroke:#747c87;stroke-width:1.8;stroke-linecap:round;pointer-events:none}
.room-search input{width:100%;height:43px;border:1px solid #dfe4ea;border-radius:12px;background:#f7f9fb;padding:0 14px 0 40px;color:var(--ink);font-size:12.5px;outline:none;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.room-search input:focus{border-color:#9dbaf0;box-shadow:0 0 0 4px var(--soft);background:#fff}
.room-tree-actions{display:flex;gap:7px}
.room-tree-actions button{height:38px;border:1px solid #dfe4ea;border-radius:10px;background:#fff;color:#59616d;padding:0 11px;font-size:10.5px;font-weight:750;cursor:pointer}
.room-tree-actions button:hover{background:#f4f6f8;color:#252a32}
.room-file-tree{display:grid;gap:22px;padding:22px 0 4px}
.room-tree-section{display:grid;gap:10px}
.room-section-title{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 3px}
.room-section-title h3{margin:0;font-size:12px;letter-spacing:.02em;color:#343a44}
.room-section-title span{color:#9298a2;font-size:10.5px;font-weight:650}
.room-folders{display:grid;gap:11px}
.room-folder{overflow:hidden;border:1px solid #e1e5ea;border-radius:16px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.room-folder[open]{border-color:#ccd7e6;box-shadow:0 8px 26px rgba(31,43,61,.06)}
.room-folder summary{display:grid;grid-template-columns:34px 42px minmax(0,1fr) auto;align-items:center;gap:11px;min-height:68px;padding:11px 15px;cursor:pointer;list-style:none;user-select:none;transition:background .18s ease}
.room-folder summary:hover{background:#f8fafc}
.room-folder summary:focus-visible{outline:3px solid rgba(28,110,242,.22);outline-offset:-3px}
.room-folder summary::-webkit-details-marker{display:none}
.folder-toggle{width:30px;height:30px;border:1px solid #e0e5eb;border-radius:9px;background:#f7f9fb;display:grid;place-items:center;color:#69717d}
.folder-toggle svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
.room-folder[open]>summary .folder-toggle svg{transform:rotate(90deg)}
.folder-glyph{width:42px;height:42px;border-radius:12px;background:#eef4ff;color:#286bd1;display:grid;place-items:center}
.folder-glyph svg{width:24px;height:24px;fill:#cfe0fb;stroke:currentColor;stroke-width:1.65;stroke-linejoin:round}
.folder-copy{min-width:0;display:flex;flex-direction:column;line-height:1.25}
.folder-name{overflow-wrap:anywhere;font-size:14px;font-weight:820;letter-spacing:-.01em;color:#222731}
.folder-copy small{margin-top:4px;color:#9298a2;font-size:10.5px;font-weight:650;text-transform:uppercase;letter-spacing:.07em}
.folder-count{justify-self:end;border:1px solid #e0e5eb;border-radius:999px;background:#f5f7f9;color:#626a76;padding:6px 10px;font-size:10.5px;font-weight:750;white-space:nowrap}
.room-folder-content{display:grid;gap:9px;padding:2px 14px 14px 54px;border-top:1px solid #edf0f3;background:#fafbfd}
.room-folder-content>.room-folder{margin-top:9px;border-radius:13px;box-shadow:none}
.room-folder-content>.room-folder>summary{min-height:60px;padding:8px 12px}
.room-folder-content>.room-folder .folder-glyph{width:36px;height:36px;border-radius:10px}
.room-files{overflow:hidden;border:1px solid #e7eaee;border-radius:14px;background:#fff}
.room-file-tree>.room-files{margin-top:2px}
.room-folder-content>.room-files{margin-top:9px}
.file-row{display:flex;align-items:center;gap:14px;min-height:72px;padding:12px 14px;border-bottom:1px solid #edf0f3}
.file-row:last-child{border-bottom:0}
.file-icon{width:42px;height:42px;flex:0 0 auto;border-radius:12px;background:#f1f4f8;display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:9px}
.file-info{flex:1;min-width:0}
.file-info b{display:block;overflow-wrap:anywhere;font-size:13px;letter-spacing:-.01em}
.file-info span{font-size:11.5px;color:var(--muted)}
.download{border:1px solid #dfe3e8;padding:9px 13px;color:#353b45;background:#fff;border-radius:10px;font-size:11.5px;transition:background .15s ease,border-color .15s ease,transform .15s ease}
.download:hover{background:#f3f6fa;border-color:#cfd6df;transform:translateY(-1px)}
.download.is-loading,.primary.is-loading{pointer-events:none;opacity:.62}
.watermark-note{margin-top:22px;padding:16px;border-radius:14px;background:#f7f8fa;display:flex;gap:12px;align-items:baseline;border:1px solid #edf0f2}
.watermark-note b{font-size:12px}
.watermark-note span{font-size:12px;color:var(--muted)}
.room-logout{display:flex;justify-content:flex-end;margin-top:20px}
.room-search-empty{margin:24px 0 4px;padding:28px;border:1px dashed #d9dfe6;border-radius:15px;background:#fafbfd;text-align:center}
.room-search-empty b{display:block;font-size:14px}
.room-search-empty span{display:block;margin-top:4px;color:var(--muted);font-size:12px}

/* Visible feedback for downloads and longer server actions */
body::before{content:"";position:fixed;z-index:80;top:0;left:0;width:100%;height:3px;background:var(--accent);transform:translateX(-100%);opacity:0;pointer-events:none}
body.page-is-loading::before{opacity:1;animation:page-loading 1.25s ease-in-out infinite}
@keyframes page-loading{0%{transform:translateX(-100%) scaleX(.35)}55%{transform:translateX(5%) scaleX(.55)}100%{transform:translateX(100%) scaleX(.3)}}
.is-submitting [type="submit"]{cursor:wait;opacity:.7;pointer-events:none}
.download-progress{position:fixed;inset:0;z-index:70;display:grid;place-items:end center;padding:24px;background:rgba(17,19,24,.16);backdrop-filter:blur(3px);opacity:0;transition:opacity .18s ease}
.download-progress.visible{opacity:1}
.download-progress-card{width:min(520px,100%);display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:13px 15px;align-items:center;padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 22px 70px rgba(17,19,24,.22)}
.download-progress-icon{width:46px;height:46px;grid-row:1/3;display:grid;place-items:center;border-radius:13px;background:var(--soft);color:var(--accent);font-size:23px;font-weight:900}
.download-progress-copy{min-width:0;display:grid;gap:2px}
.download-progress-copy b{font-size:14px}
.download-progress-copy span{color:var(--muted);font-size:11.5px;overflow-wrap:anywhere}
.progress-track{grid-column:2/4;height:7px;overflow:hidden;border-radius:999px;background:#e8edf4}
.progress-track span{display:block;width:38%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),#79a7f7);animation:download-indeterminate 1.1s ease-in-out infinite}
.progress-track.determinate span{width:0;animation:none;transition:width .18s ease}
@keyframes download-indeterminate{0%{transform:translateX(-110%)}100%{transform:translateX(290%)}}
.progress-cancel{align-self:start;border:0;background:transparent;color:#68707b;padding:4px;font-size:11px;font-weight:750;cursor:pointer}
.progress-cancel:hover{color:var(--ink)}
.download-progress.has-error .download-progress-icon{background:var(--danger-soft);color:var(--danger)}
.download-progress.has-error .progress-track{display:none}
.action-progress{cursor:wait}
.action-progress .download-progress-card{grid-template-columns:48px minmax(0,1fr)}
.action-progress .download-progress-icon{color:#fff;background:#111318;animation:action-pulse 1.1s ease-in-out infinite}
.action-progress .progress-track{grid-column:2}
@keyframes action-pulse{50%{transform:scale(.92);opacity:.72}}
@media(prefers-reduced-motion:reduce){body.page-is-loading::before,.progress-track span{animation-duration:2.4s}.download-progress{transition:none}}

/* Public privacy information */
.legal-head{min-height:210px}
.legal{max-width:900px;margin:0 auto}
.legal h2{margin:30px 0 8px;font-size:22px}
.legal h2:first-child{margin-top:0}
.legal p,.legal li{color:#555d68;line-height:1.7}
.legal a{color:var(--accent-dark);text-underline-offset:2px}
.legal ul{padding-left:22px}
.imprint strong{color:var(--ink)}

/* Login */
.login-card{max-width:490px;margin:56px auto;padding:34px}
.login-card h1{font-size:54px;margin:6px 0 12px}
.login-card p{color:var(--muted);margin:0 0 26px;font-size:14px}

@media(max-width:900px){
  .shell{padding-left:18px;padding-right:18px}
  .hero{min-height:270px}
  .hero-stat{display:none}
  .grid.two{grid-template-columns:1fr}
  .security-card{position:static}
  .form-row,.result-meta{grid-template-columns:1fr}
  .public-card-head,.share-link,.selection-head{align-items:stretch;flex-direction:column}
  .status-hero{align-items:stretch;flex-direction:column;justify-content:center}
  .overall-panel{min-width:0}
  .status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .public-card-head .primary{width:100%}
  .room-sticky-head{position:static}
  .room-tools{align-items:stretch;flex-direction:column}
  .room-search{max-width:none}
  .room-tree-actions button{flex:1}
  .room-tree-actions{width:100%}
}
@media(max-width:650px){
  .topbar{height:66px;padding:0 15px}
  .brand img{width:150px;max-height:38px}
  .admin-nav .nav-link:first-child{display:none}
  .admin-nav{gap:8px}
  .nav-link{font-size:11px}
  .top-actions{gap:8px}
  .mode{font-size:9px;padding:6px 8px}
  .shell{padding-left:14px;padding-right:14px;padding-bottom:55px}
  .hero{min-height:245px;padding-top:18px}
  .hero h1{font-size:42px}
  .hero p{font-size:16px}
  .card,.public-card,.login-card,.result{padding:18px;border-radius:18px}
  .card.wide{padding:18px}
  .public-hero{min-height:215px}
  .public-hero h1{font-size:40px}
  .room-file-tree{gap:9px;padding-top:14px}
  .room-sticky-head{margin:-18px -18px 0;padding:18px 18px 12px;border-radius:18px 18px 0 0}
  .room-folder summary{grid-template-columns:30px 38px minmax(0,1fr);gap:9px;padding:10px}
  .folder-toggle{width:28px;height:28px}
  .folder-glyph{width:38px;height:38px}
  .folder-count{display:none}
  .room-folder-content{padding:2px 8px 10px 20px}
  .room-folder-content>.room-folder>summary{grid-template-columns:28px 34px minmax(0,1fr)}
  .room-folder-content>.room-folder .folder-glyph{width:34px;height:34px}
  .file-row{flex-wrap:wrap}
  .download{margin-left:56px}
  .download-progress{padding:12px}
  .download-progress-card{grid-template-columns:42px minmax(0,1fr) auto;padding:15px;gap:11px}
  .download-progress-icon{width:42px;height:42px}
  .file-select{grid-template-columns:24px 1fr}
  .file-select .mini{grid-column:2}
  .button-row{flex-direction:column}
  .button-row>*{width:100%}
  .login-card{margin:30px auto}
  .login-card h1{font-size:44px}
  .otp-input{letter-spacing:.24em}
  .status-grid{grid-template-columns:1fr}
  .status-hero h1{font-size:42px}
  .status-footnote{align-items:flex-start;flex-direction:column}
}