:root{--navy: #080838;--navy-2: #171763;--sky: #90c0f8;--sky-soft: #dcebfd;--ink: #0d1230;--ink-mid: #4a5578;--ink-soft: #7d87a6;--surface: #f4f8ff;--card: #ffffff;--line: #e7edf8;--ok: #0f9d6b;--ok-soft: #e2f6ee;--warn: #c0392b;--warn-soft: #fdecea;--radius: 16px;--radius-sm: 11px;--shadow: 0 10px 30px #1a2a5510, 0 2px 8px #1a2a5508;--shadow-lg: 0 18px 44px #12225016;--maxw: 560px;--font: "Heebo", system-ui, "Segoe UI", Arial, sans-serif;--disp: "Rubik", var(--font)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--ink);background:radial-gradient(120% 80% at 100% -10%,var(--sky-soft) 0,transparent 45%),radial-gradient(90% 60% at -10% 5%,#eef3ff 0,transparent 40%),var(--surface);background-attachment:fixed;-webkit-font-smoothing:antialiased;min-height:100vh}.screen-center{min-height:100vh;display:grid;place-items:center}.spinner{width:34px;height:34px;border:3px solid var(--sky-soft);border-top-color:var(--navy);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.shell{max-width:var(--maxw);margin-inline:auto;min-height:100vh;padding-bottom:78px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;position:sticky;top:0;z-index:10;background:linear-gradient(#f4f8ffe8,#f4f8ffbe);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar .brand{height:30px;width:auto}.signout{border:0;background:#fff;color:var(--navy);width:40px;height:40px;border-radius:12px;display:grid;place-items:center;box-shadow:var(--shadow);cursor:pointer}.content{padding:6px 18px 18px}.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:20;max-width:var(--maxw);margin-inline:auto;display:grid;grid-template-columns:repeat(3,1fr);background:#ffffffe8;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom))}.tab{display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 4px;border-radius:12px;text-decoration:none;color:var(--ink-soft);font-size:12px}.tab.active{color:var(--navy);background:var(--sky-soft);font-weight:600}.page{display:flex;flex-direction:column;gap:14px;animation:rise .28s ease}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.page-title{font-family:var(--disp);font-size:1.5rem;margin:8px 2px 0;color:var(--navy)}.card-h{font-size:1.05rem;margin:0 0 10px;color:var(--navy)}.stack{display:flex;flex-direction:column;gap:12px}.sub{color:var(--ink-mid);font-size:.9rem;line-height:1.5}.hint{display:block;color:var(--ink-soft);font-size:.8rem;margin-top:4px}.back{color:var(--navy);text-decoration:none;font-size:.9rem}.back:hover{text-decoration:underline}.card{background:var(--card);border:1px solid #fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.empty{text-align:center;color:var(--ink-mid);padding:34px 18px}.empty p{margin:4px 0}.app-card{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}.app-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.app-card.closed{opacity:.72}.app-main{flex:1;min-width:0}.app-main h2{font-size:1.05rem;margin:0 0 3px}.app-date{color:var(--ink-soft);font-size:.82rem;margin:0}.chip{flex-shrink:0;font-size:.8rem;font-weight:600;padding:6px 12px;border-radius:999px;white-space:nowrap}.chip-live{background:var(--sky-soft);color:var(--navy-2)}.chip-soft{background:#eef2fa;color:var(--ink-mid)}.chip-mute{background:#f0f1f5;color:var(--ink-soft)}.status-card{display:flex;flex-direction:column;gap:10px;align-items:flex-start;background:linear-gradient(150deg,#fff,var(--sky-soft))}.status-card .chip{font-size:.9rem;padding:8px 16px}.status-exp{margin:0;color:var(--ink);line-height:1.6}.iv{padding:10px 0;border-bottom:1px solid var(--line)}.iv:last-child{border-bottom:0}.iv-when{font-weight:600;color:var(--navy)}.iv-where{color:var(--ink-mid);font-size:.9rem;margin-top:2px}.chat-log{display:flex;flex-direction:column;gap:8px;max-height:340px;overflow-y:auto;padding:4px 2px 10px}.bubble{max-width:82%;padding:9px 13px;border-radius:14px;line-height:1.5}.bubble p{margin:0}.bubble time{display:block;font-size:.68rem;opacity:.7;margin-top:3px}.bubble.me{align-self:flex-start;background:var(--navy);color:#fff;border-bottom-inline-start:3px solid var(--sky)}.bubble.them{align-self:flex-end;background:#eef2fa;color:var(--ink)}.chat-input{display:flex;gap:8px;margin-top:6px}.chat-input input{flex:1}.upload-row{display:flex;gap:10px;align-items:stretch}.upload-row select{flex:1}.doc-card{display:flex;align-items:center;gap:12px;width:100%;text-align:start;border:1px solid #fff;cursor:pointer;transition:transform .15s,box-shadow .15s}.doc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.doc-ic{font-size:1.6rem}.doc-main{flex:1;min-width:0}.doc-main h2{font-size:.98rem;margin:0 0 2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.form{display:flex;flex-direction:column;gap:14px}label{display:flex;flex-direction:column;gap:6px}.lbl{font-size:.85rem;font-weight:600;color:var(--ink-mid)}input,select,textarea{font-family:inherit;font-size:1rem;color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:11px 13px;width:100%;transition:border-color .15s,background .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--sky);background:#fff}input:disabled,select:disabled{background:#f2f4f9;color:var(--ink-soft);cursor:not-allowed}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:inherit;font-size:1rem;font-weight:600;border:0;border-radius:var(--radius-sm);padding:11px 18px;cursor:pointer;text-decoration:none}.btn-primary{background:linear-gradient(120deg,var(--navy),var(--navy-2));color:#fff;box-shadow:0 6px 16px #10184d33}.btn-primary:hover{filter:brightness(1.08)}.btn-primary:disabled,.btn.disabled{opacity:.6;cursor:default;filter:none}.linkish{background:none;border:0;color:var(--navy);font:inherit;font-size:.9rem;cursor:pointer;text-decoration:underline;padding:0}.msg{font-size:.9rem;margin:2px 0}.msg.err{color:var(--warn);background:var(--warn-soft);padding:9px 12px;border-radius:var(--radius-sm)}.msg.ok{color:var(--ok);background:var(--ok-soft);padding:9px 12px;border-radius:var(--radius-sm)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:22px}.login{width:100%;max-width:380px;display:flex;flex-direction:column;gap:14px;padding:30px 26px;box-shadow:var(--shadow-lg)}.login-logo{height:40px;width:auto;margin-inline:auto}.login h1{font-family:var(--disp);font-size:1.35rem;text-align:center;margin:6px 0 0;color:var(--navy)}.login .sub{text-align:center;margin:0 0 4px}.seg{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--surface);border-radius:var(--radius-sm);padding:4px}.seg button{border:0;background:none;padding:9px;border-radius:8px;font:inherit;font-weight:600;color:var(--ink-mid);cursor:pointer}.seg button.on{background:#fff;color:var(--navy);box-shadow:var(--shadow)}