:root{color-scheme:dark;--bg:#102831;--panel:#173640;--ink:#e6efeb;--muted:#a5bfc1;--primary:#c0e1d6;--line:#68888c;--error:#f2bdb1;font:16px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;min-height:100svh;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
button,input{font:inherit}button,a{touch-action:manipulation;-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}[hidden]{display:none!important}
:focus-visible{outline:2px solid #edd8a7;outline-offset:4px}
.workspace{width:min(100%,720px);margin:auto;padding:calc(28px + env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}
.page-head{display:flex;align-items:center;gap:8px;margin-bottom:24px}.page-head h1{font-size:18px;font-weight:550;margin:0}.page-head .button{margin-left:auto}
.back{display:flex;align-items:center;justify-content:center;flex:0 0 48px;height:48px;margin-left:-12px;color:var(--muted);border-radius:50%}.back svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.button{min-height:48px;min-width:72px;padding:10px 18px;border:1px solid var(--line);border-radius:8px;background:transparent;color:var(--ink);font-size:15px;font-weight:500;white-space:nowrap;transition:background .16s}
.primary{background:var(--primary);border-color:var(--primary);color:#15363b}.button:active{background:#31545d}.primary:active{background:#a2cdbf}
.file-panel{border:1px solid #365760;border-radius:14px;background:var(--panel);overflow:hidden}.empty{padding:48px 20px;margin:0;text-align:center;font-size:14px;color:var(--muted)}
#files{list-style:none;padding:0;margin:0}.file-row{display:flex;align-items:center;gap:16px;padding:18px 20px}.file-row+.file-row{border-top:1px solid #365760}.file-info{flex:1;min-width:0}.file-name{font-size:15px;line-height:1.65;overflow-wrap:anywhere;word-break:break-word}.file-size{display:block;margin-top:4px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.status{min-height:24px;margin:12px 2px 0;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.status[data-error=true],#gate-message[data-error=true]{color:var(--error)}
.status a{display:inline-flex;align-items:center;min-height:44px;color:var(--primary);text-underline-offset:3px}
dialog{width:min(calc(100% - 32px),400px);max-height:calc(100vh - 48px);max-height:calc(100dvh - 48px);padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--ink);overflow:auto}dialog::backdrop{background:#061920bb}dialog h2{font-size:18px;margin:0 0 8px;font-weight:550}#file-detail{font-size:13px;line-height:1.7;color:var(--muted);margin:0 0 24px;overflow-wrap:anywhere}dialog label{display:block;font-size:13px;margin-bottom:8px}
#pin{height:48px;width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:20px;letter-spacing:.25em}#pin:focus{outline:2px solid var(--primary);outline-offset:2px}#gate-message{min-height:24px;margin:12px 0 16px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.dialog-actions{display:flex;justify-content:flex-end;gap:8px}.dialog-actions .button{min-width:88px}progress{display:block;width:100%;height:8px;margin-top:16px;accent-color:var(--primary)}
@media(min-width:560px){.workspace{padding-top:calc(72px + env(safe-area-inset-top))}.page-head{margin-bottom:28px}}
@media(max-width:359px){.workspace{padding-left:16px;padding-right:16px}.file-row{padding:16px;gap:12px}.button{padding-left:14px;padding-right:14px}}
@media(hover:hover){.button:hover:enabled{background:#284a54}.primary:hover:enabled{background:#d0e9df}.back:hover{background:#1c3c45;color:var(--ink)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}