:root{--bg: #ffffff;--bar: rgba(249, 249, 249, .88);--sidebar: #f2f2f7;--sidebar-bd: rgba(0, 0, 0, .08);--sent: #007aff;--on-sent: #ffffff;--recv: #e9e9eb;--on-recv: #000000;--tx: #000000;--tx2: rgba(60, 60, 67, .6);--tx3: rgba(60, 60, 67, .3);--sep: rgba(60, 60, 67, .29);--fill: rgba(120, 120, 128, .2);--fill2: rgba(120, 120, 128, .12);--field-bd: #c7c7cc;--field-bg: #ffffff;--blue: #007aff;--red: #ff3b30;--purple: #af52de;--pink: #ff2d55;--yellow: #ffcc00;--card: #ffffff;--pill: rgba(250, 250, 250, .92);--pill-shadow: 0 10px 40px rgba(0, 0, 0, .2), 0 2px 6px rgba(0, 0, 0, .08);--dim: rgba(0, 0, 0, .18);--avatar-a: #b1b1b8;--avatar-b: #8a8a92;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", "Segoe UI", Roboto, Helvetica, Arial, sans-serif}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #000000;--bar: rgba(28, 28, 30, .86);--sidebar: #1c1c1e;--sidebar-bd: rgba(255, 255, 255, .1);--sent: #0a84ff;--on-sent: 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svg{color:var(--blue)}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);background:var(--pill);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--tx);padding:9px 16px;border-radius:999px;font-size:13px;font-weight:500;z-index:200;box-shadow:var(--pill-shadow);animation:rise .25s ease}@media (max-width: 760px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.msg-row{max-width:78%}.bubble{font-size:17px}.messages{padding:10px 12px 6px}}.login{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden;background:#0a0f1e;color:#fff;color-scheme:dark}.login-mesh{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 70% at 20% 15%,#1e8cff 0%,transparent 70%),radial-gradient(55% 65% at 85% 20%,#ff4fa3 0%,transparent 70%),radial-gradient(60% 60% at 70% 90%,#3ee6ff 0%,transparent 70%),#4b2fe0}.login-mesh canvas{display:block;width:100%;height:100%}.login-mesh.is-static canvas{display:none}.login-mesh:after{content:"";position:absolute;inset:0;background:radial-gradient(70% 60% at 50% 48%,rgba(6,8,24,.16),transparent),linear-gradient(180deg,#0608180a,#06081842)}.login-panel{position:relative;z-index:2;width:100%;max-width:372px;display:flex;flex-direction:column;align-items:center;gap:26px;animation:login-in .5s cubic-bezier(.2,.8,.2,1) both}@keyframes login-in{0%{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}.login-brand{display:flex;flex-direction:column;align-items:center;gap:14px}.login-brand .logo{filter:drop-shadow(0 4px 16px rgba(0,0,0,.28))}.login-brand h1{margin:0;font-size:26px;font-weight:700;letter-spacing:-.02em;text-shadow:0 1px 14px rgba(0,0,0,.25)}.login-card{width:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:10px;padding:24px 22px;border-radius:26px;background:linear-gradient(150deg,#ffffff29,#ffffff0f);-webkit-backdrop-filter:blur(40px) saturate(1.5);backdrop-filter:blur(40px) saturate(1.5);border:1px solid rgba(255,255,255,.22);box-shadow:0 30px 70px #00000057,inset 0 1px 1px #ffffff59}.login-card .notice{background:#ffffff1f;color:#ffffffe6;border-radius:12px;padding:9px 12px;font-size:13px;text-align:center}.login-field{display:flex;align-items:center;gap:11px;height:50px;box-sizing:border-box;border-radius:14px;background:#ffffff1a;border:1px solid rgba(255,255,255,.18);padding:0 16px;box-shadow:inset 0 1px 1px #ffffff24;color:#ffffffd9;transition:border-color .15s,background .15s}.login-field:focus-within{border-color:#ffffff80;background:#ffffff24}.login-field svg{flex:none}.login-field input{flex:1;min-width:0;border:none;background:transparent;outline:none;font:inherit;font-size:15px;color:#ffffffeb}.login-field input::placeholder{color:#ffffff8c}.login-field input[type=password]:not(:placeholder-shown){letter-spacing:3px}.login-field input:-webkit-autofill,.login-field input:-webkit-autofill:focus{-webkit-text-fill-color:#fff;-webkit-box-shadow:0 0 0 1000px #1b2a4a inset;transition:background-color 9999s}.login-show{border:none;background:none;padding:4px 0 4px 6px;font:inherit;font-size:13px;color:#ffffffbf;cursor:pointer}.login-show:hover{color:#fff}.login-forgot{align-self:flex-end;font-size:13px;color:#ffffffd1;margin:2px 2px 0}.login-card .err{color:#ffb4ad;font-size:12.5px;text-align:center;min-height:15px}.login-submit{height:50px;border:none;border-radius:14px;background:linear-gradient(135deg,#0a7cff,#7a4cff);color:#fff;font:inherit;font-size:16px;font-weight:600;cursor:pointer;box-shadow:0 10px 28px #0a7cff73,inset 0 1px 1px #fff6;transition:transform .15s,filter .15s}.login-submit:hover{filter:brightness(1.06)}.login-submit:active{transform:scale(.985)}.login-submit[disabled]{opacity:.7;cursor:default}.login-foot{max-width:320px;font-size:13px;line-height:1.45;color:#ffffffd9;text-shadow:0 1px 8px rgba(0,0,0,.25);text-align:center;text-wrap:balance}.login-foot svg{vertical-align:-2px;margin-right:5px}