:root{--bg:#06101d;--bg2:#0b1727;--panel:rgba(12,25,43,.82);--panel-solid:#0d1a2d;--panel-soft:rgba(12,25,43,.66);--text:#e6eef8;--muted:#8da0b7;--faint:#5d7087;--border:rgba(148,163,184,.13);--border-strong:rgba(56,189,248,.30);--accent:#0ea5e9;--accent2:#0284c7;--danger:#f87171;--warning:#fbbf24;--success:#34d399;--shadow:0 20px 70px rgba(0,0,0,.23);color-scheme:dark}
html[data-theme="light"]{--bg:#eef5fb;--bg2:#f8fbff;--panel:rgba(255,255,255,.86);--panel-solid:#fff;--panel-soft:rgba(255,255,255,.72);--text:#122033;--muted:#61738a;--faint:#8b9aab;--border:rgba(30,64,175,.10);--border-strong:rgba(2,132,199,.30);--accent:#0284c7;--accent2:#0369a1;--danger:#dc2626;--warning:#b45309;--success:#059669;--shadow:0 20px 60px rgba(42,72,110,.12);color-scheme:light}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Manrope,"Avenir Next",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;transition:background .2s,color .2s}.ambient{position:fixed;inset:0;pointer-events:none;background:radial-gradient(900px 500px at 20% -10%,rgba(14,165,233,.15),transparent 60%),radial-gradient(700px 450px at 100% 30%,rgba(99,102,241,.09),transparent 65%)}html[data-theme="light"] .ambient{background:radial-gradient(800px 450px at 15% -10%,rgba(14,165,233,.13),transparent 60%),radial-gradient(700px 400px at 100% 25%,rgba(99,102,241,.07),transparent 65%)}
.app-shell{max-width:1180px;margin:0 auto;padding:18px 20px 42px}.panel{background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow);backdrop-filter:blur(16px);border-radius:22px}.panel-soft{background:var(--panel-soft);border:1px solid var(--border);backdrop-filter:blur(16px);border-radius:20px}.topbar{height:72px;padding:12px 14px 12px 16px;display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;position:sticky;top:10px;z-index:20}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--text)}.logo{width:44px;height:44px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(14,165,233,.23),rgba(59,130,246,.1));border:1px solid rgba(56,189,248,.25);font-size:20px}.brand-title{font-size:18px;font-weight:900;letter-spacing:-.02em}.brand-sub,.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--faint)}.header-actions{display:flex;align-items:center;gap:9px}.user-chip{font-size:12px;color:var(--muted)}.theme-toggle{width:39px;height:39px;border-radius:12px;border:1px solid var(--border);background:rgba(148,163,184,.06);color:var(--text);cursor:pointer;font-size:17px}.theme-toggle:hover{border-color:var(--border-strong)}
.btn{border:1px solid transparent;border-radius:12px;padding:.62rem .92rem;font-size:.82rem;font-weight:760;transition:.18s;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:.4rem}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--accent2);color:#fff;box-shadow:0 10px 30px rgba(2,132,199,.18)}.btn.primary:hover{background:var(--accent)}.btn.ghost{background:rgba(148,163,184,.06);border-color:var(--border);color:var(--text)}.btn.warning{background:rgba(245,158,11,.13);border-color:rgba(245,158,11,.28);color:var(--warning)}.btn.danger-outline{background:transparent;border-color:rgba(248,113,113,.23);color:var(--danger)}.btn.small{font-size:.74rem;padding:.48rem .7rem}
.field{width:100%;border:1px solid var(--border);background:rgba(2,8,23,.20);color:var(--text);border-radius:13px;padding:.78rem .9rem;outline:none}html[data-theme="light"] .field{background:rgba(255,255,255,.64)}.field:focus{border-color:rgba(56,189,248,.5);box-shadow:0 0 0 3px rgba(14,165,233,.08)}.field.compact{padding:.58rem .75rem;font-size:.78rem}.label{font-size:.72rem;color:var(--muted);margin-bottom:.45rem;display:block}.muted{color:var(--faint)}.badge{font-size:.68rem;padding:.17rem .48rem;border-radius:999px;background:rgba(14,165,233,.12);color:#38bdf8;border:1px solid rgba(56,189,248,.15)}html[data-theme="light"] .badge{color:#0369a1}.alert{padding:.7rem .85rem;border-radius:12px;font-size:.8rem}.alert.bad{background:rgba(239,68,68,.09);border:1px solid rgba(248,113,113,.2);color:var(--danger)}
.login-wrap{max-width:430px;margin:0 auto;padding:70px 0}.login-card{padding:34px}.login-card h1{font-size:26px;margin:0 0 8px;font-weight:900}.login-card p{font-size:14px;line-height:1.6;color:var(--muted);margin:0 0 26px}.hero-cloud{width:70px;height:70px;border-radius:24px;margin:0 auto 20px;display:grid;place-items:center;background:rgba(14,165,233,.10);border:1px solid rgba(56,189,248,.18);font-size:32px}.legacy-banner{padding:16px 18px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-color:rgba(245,158,11,.2)}.legacy-banner b{display:block}.legacy-banner span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:22px}.main-col{display:flex;flex-direction:column;gap:22px}.sidebar{display:flex;flex-direction:column;gap:18px}.side-card{padding:18px}.side-card p{font-size:13px;line-height:1.65;color:var(--muted);margin:9px 0 0}.storage-line{display:flex;justify-content:space-between;align-items:center;font-size:13px;margin-top:10px}.storage-line span{color:var(--muted)}
.upload-zone{border-style:dashed;border-width:1.5px;padding:38px;text-align:center;cursor:pointer;transition:.18s;outline:none}.upload-zone:hover,.upload-zone.drag,.upload-zone:focus{border-color:rgba(56,189,248,.55);background:rgba(14,165,233,.05)}.upload-illustration{font-size:42px;margin-bottom:10px}.upload-zone h2{font-size:21px;margin:0;font-weight:900}.upload-zone p{font-size:14px;color:var(--muted);margin:6px 0 0}.upload-hint{font-size:11px;color:var(--faint);margin-top:9px}.upload-status{margin-top:22px;text-align:left}.upload-current{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-bottom:8px}.upload-current span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress{height:7px;background:rgba(148,163,184,.12);border-radius:99px;overflow:hidden}.progress>div{height:100%;width:0;background:linear-gradient(90deg,#0284c7,#38bdf8);border-radius:99px;transition:width .2s}.upload-queue{margin-top:10px;display:grid;gap:5px}.queue-item{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted)}.queue-item.ok{color:var(--success)}.queue-item.bad{color:var(--danger)}
.section-card{overflow:hidden}.section-head{min-height:62px;padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.section-title{display:flex;align-items:center;gap:8px}.section-title h2{font-size:16px;margin:0;font-weight:900}.search-field{margin-left:auto;max-width:220px}.file-list,.share-list{display:block}.file-row{padding:14px 16px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);transition:.15s}.file-row:last-child{border-bottom:0}.file-row:hover{background:rgba(14,165,233,.035)}.file-icon{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;border-radius:13px;background:rgba(148,163,184,.07);border:1px solid var(--border);font-size:20px}.file-info{min-width:0;flex:1}.file-name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-meta{font-size:11px;color:var(--faint);margin-top:4px}.shared-dot{color:var(--success)}.file-actions{display:flex;gap:7px;flex:0 0 auto}.icon-btn{width:36px;height:36px;border-radius:11px;border:1px solid var(--border);background:rgba(148,163,184,.05);color:var(--text);display:grid;place-items:center;text-decoration:none;cursor:pointer}.icon-btn:hover{border-color:var(--border-strong);color:#38bdf8}.icon-btn.danger:hover{border-color:rgba(248,113,113,.35);color:var(--danger)}
.empty-state{padding:38px 16px;text-align:center;color:var(--muted);display:grid;gap:4px}.empty-state>div{font-size:30px}.empty-state b{color:var(--text)}.empty-state span{font-size:12px}.empty-state.compact{padding:25px 16px}.share-row{padding:14px 16px;display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--border)}.share-row:last-child{border-bottom:0}.share-main{min-width:0;flex:1}.share-file-name{font-size:14px;font-weight:760;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.share-meta{margin-top:6px;display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:11px;color:var(--faint)}.expiry-pill{padding:2px 7px;border-radius:999px;background:rgba(52,211,153,.10);color:var(--success);border:1px solid rgba(52,211,153,.16)}.expiry-pill.infinite{background:rgba(56,189,248,.08);color:#38bdf8;border-color:rgba(56,189,248,.14)}.share-actions{display:flex;gap:7px}
.modal{position:fixed;inset:0;z-index:50;background:rgba(2,8,23,.76);backdrop-filter:blur(8px);display:grid;place-items:center;padding:1rem}.modal.hidden{display:none}.modal-card{width:min(100%,500px);padding:24px;position:relative}.modal-x{position:absolute;right:15px;top:10px;border:0;background:none;color:var(--faint);font-size:28px;cursor:pointer}.modal-title{font-size:18px;font-weight:900;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-right:30px}.copy-row{display:flex;gap:8px}.tiny-note{font-size:11px;color:var(--faint);margin:8px 0 0}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:80;opacity:0;pointer-events:none;background:var(--panel-solid);border:1px solid var(--border);color:var(--text);padding:10px 14px;border-radius:12px;box-shadow:var(--shadow);font-size:12px;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.dashboard-grid{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(3,1fr)}.topbar{position:relative;top:0}}
@media(max-width:640px){.app-shell{padding:10px 10px 28px}.topbar{height:64px;border-radius:17px;margin-bottom:14px;padding:9px 10px 9px 12px}.logo{width:40px;height:40px;border-radius:13px}.brand-title{font-size:17px}.brand-sub{display:none}.user-chip{display:none}.btn{border-radius:11px}.topbar .btn.ghost{padding:.55rem .7rem}.dashboard-grid{gap:14px}.main-col{gap:14px}.sidebar{grid-template-columns:1fr;gap:12px}.side-card:nth-child(2),.side-card:nth-child(3){display:none}.upload-zone{padding:28px 16px;border-radius:18px}.upload-zone h2{font-size:19px}.section-card{border-radius:18px}.section-head{padding:12px;min-height:58px;flex-wrap:wrap}.search-field{order:2;max-width:none;width:100%;margin-left:0}.file-row{padding:12px;align-items:flex-start;gap:10px}.file-icon{width:38px;height:38px;flex-basis:38px}.file-actions{gap:5px}.icon-btn{width:33px;height:33px}.file-meta{line-height:1.45}.share-row{padding:12px;align-items:flex-start;flex-direction:column;gap:10px}.share-actions{width:100%}.share-actions .btn{flex:1}.modal{padding:0;align-items:end}.modal-card{width:100%;border-radius:22px 22px 0 0;padding:22px 16px calc(20px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto}.copy-row{flex-direction:column}.copy-row .btn{width:100%}.login-wrap{padding:45px 4px}.login-card{padding:28px 20px}.legacy-banner{flex-direction:column;align-items:stretch}.toast{bottom:calc(18px + env(safe-area-inset-bottom));max-width:calc(100% - 24px);text-align:center}}
.recipient-shell{max-width:820px;margin:0 auto;padding:18px 20px 40px;position:relative}.recipient-top{display:flex;align-items:center;justify-content:space-between;padding:6px 0 26px}.recipient-main{display:grid;place-items:center;min-height:calc(100vh - 120px)}.recipient-card{width:min(100%,560px);padding:38px;text-align:center}.recipient-icon{font-size:46px;margin-bottom:14px}.recipient-card h1{font-size:26px;line-height:1.2;font-weight:900;margin:0}.recipient-card>p{font-size:14px;line-height:1.6;color:var(--muted);margin:10px 0 0}.recipient-form{display:grid;gap:10px;margin-top:24px}.recipient-file-icon{width:88px;height:88px;border-radius:28px;margin:0 auto 22px;display:grid;place-items:center;font-size:42px;background:rgba(14,165,233,.09);border:1px solid rgba(56,189,248,.16)}.recipient-file-name{overflow-wrap:anywhere;margin-top:8px!important}.recipient-meta{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:10px}.recipient-expiry{display:inline-block;margin-top:18px;padding:7px 10px;border-radius:999px;background:rgba(148,163,184,.07);border:1px solid var(--border);font-size:11px;color:var(--muted)}.recipient-download{width:100%;margin-top:26px;padding:13px 16px}.recipient-note{font-size:11px;color:var(--faint);margin-top:10px}.recipient-brandline{font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--faint);margin-top:30px}@media(max-width:640px){.recipient-shell{padding:10px 12px 24px}.recipient-top{padding:4px 0 14px}.recipient-main{min-height:calc(100vh - 90px)}.recipient-card{padding:30px 18px;border-radius:20px}.recipient-card h1{font-size:23px}.recipient-file-icon{width:78px;height:78px;border-radius:24px;font-size:36px}}


/* v2.1 visual refresh + iOS Safari light-theme fixes */
html,body{background-color:var(--bg);-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
body{-webkit-font-smoothing:antialiased}
.brand-title,.login-card h1,.upload-zone h2,.section-title h2,.modal-title,.recipient-card h1{font-family:"Space Grotesk",Manrope,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.panel,.panel-soft,.modal{-webkit-backdrop-filter:blur(16px)}
.modal{-webkit-backdrop-filter:blur(8px)}
button,input,select,textarea{font:inherit}
button,.btn,.icon-btn,.theme-toggle{-webkit-tap-highlight-color:transparent}
.field,select.field{-webkit-appearance:none;appearance:none;background-color:rgba(2,8,23,.20)}
html[data-theme="light"] .field,html[data-theme="light"] select.field{background-color:rgba(255,255,255,.86);color:#122033}
html[data-theme="light"] body{background-color:#eef5fb}
html[data-theme="light"] .panel{background-color:rgba(255,255,255,.92)}
html[data-theme="light"] .panel-soft{background-color:rgba(255,255,255,.86)}
html[data-theme="light"] .icon-btn,html[data-theme="light"] .theme-toggle,html[data-theme="light"] .btn.ghost{background-color:rgba(255,255,255,.72)}
html[data-theme="light"] input::placeholder{color:#8997a8;opacity:1}
.ui-icon{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.logo{color:#38bdf8;overflow:hidden}.logo .ui-icon{width:27px;height:27px;stroke-width:2}
.logo:after{content:"";position:absolute;inset:auto 8px 6px 8px;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.65),transparent)}
.logo{position:relative}
.brand-title{font-weight:700;letter-spacing:-.035em}
.brand-sub{letter-spacing:.16em}
.hero-cloud .ui-icon{width:40px;height:40px;color:#38bdf8}
.upload-illustration .ui-icon{width:48px;height:48px;margin:auto;color:#38bdf8;stroke-width:1.65}
.icon-btn .ui-icon{width:18px;height:18px}.btn .ui-icon{width:17px;height:17px}
.theme-toggle{position:relative;display:grid;place-items:center}.theme-toggle .theme-icon{position:absolute;display:grid;place-items:center;transition:opacity .16s,transform .16s}.theme-toggle .ui-icon{width:18px;height:18px}
html[data-theme="dark"] .theme-icon-sun{opacity:0;transform:scale(.72) rotate(-25deg)}
html[data-theme="dark"] .theme-icon-moon{opacity:1;transform:scale(1)}
html[data-theme="light"] .theme-icon-sun{opacity:1;transform:scale(1)}
html[data-theme="light"] .theme-icon-moon{opacity:0;transform:scale(.72) rotate(25deg)}
.icon-btn{transition:transform .16s,border-color .16s,color .16s,background-color .16s}.icon-btn:active{transform:scale(.94)}
.btn:active{transform:translateY(0) scale(.985)}
@supports(-webkit-touch-callout:none){
  body{min-height:-webkit-fill-available}
  html{height:-webkit-fill-available}
  .modal{min-height:-webkit-fill-available}
  .recipient-main{min-height:calc(100svh - 120px)}
  .panel,.panel-soft{transform:translateZ(0)}
}