:root{--ink:#0b1220;--muted:#637083;--line:rgba(255,255,255,.42);--glass:rgba(255,255,255,.58);--glass-strong:rgba(255,255,255,.74);--brand:#007aff;--mint:#27e0a3;--violet:#8b5cf6;--rose:#ff5f8f;--ok:#16a34a;--warn:#f59e0b;--danger:#ef4444;--shadow:0 24px 90px rgba(31,41,55,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Display,Segoe UI,Arial,sans-serif;color:var(--ink);min-height:100vh;background:radial-gradient(circle at 8% 8%,rgba(39,224,163,.35),transparent 26%),radial-gradient(circle at 78% 12%,rgba(139,92,246,.32),transparent 27%),radial-gradient(circle at 45% 88%,rgba(0,122,255,.24),transparent 30%),linear-gradient(135deg,#f7fbff,#f4f7fb 52%,#eef4ff);overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.36) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.36) 1px,transparent 1px);background-size:34px 34px;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%)}button,a,input,textarea,select,[role=button]{font:inherit}button,a,[role=button],.btn,.upload-card,.dock-item,.close{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}input,textarea,select{outline:0}textarea{resize:vertical}.app-shell{min-height:100vh;position:relative}.container{width:min(1220px,100% - 32px);margin-inline:auto}.card{background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(28px) saturate(165%);-webkit-backdrop-filter:blur(28px) saturate(165%);border-radius:34px}.btn{border:0;border-radius:18px;padding:12px 16px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:9px;transition:.18s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--brand),#52b7ff);color:#fff;box-shadow:0 16px 40px #007aff47}.btn-ghost{background:#007aff1a;color:#075dbd}.btn-outline{background:#ffffff9e;border:1px solid rgba(255,255,255,.76);color:var(--ink)}