:root{color-scheme:dark;--fv-bg:#05080e;--fv-side:#070b12;--fv-card:#070b12;--fv-field:#0a0f18;--fv-text:#eaf1f9;--fv-muted:#9aa8bd;--fv-dim:#5f6f86;--fv-blue:#4db8ff;--fv-line:rgba(120,170,255,.16);--fv-soft-line:rgba(120,170,255,.1);--fv-green:#56d68a;--fv-danger:#ff8596}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--fv-bg);color:var(--fv-text);font-family:Inter,"Noto Sans SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}.auth-shell{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,1fr);min-height:100vh;background:var(--fv-bg)}.brand-panel{position:relative;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;padding:48px;border-right:1px solid var(--fv-soft-line);background:radial-gradient(110% 80% at 15% 0,rgba(31,111,235,.16),transparent 60%),var(--fv-side)}.brand,.brand-content,.service-status{position:relative;z-index:1}.brand{display:inline-flex;align-items:center;gap:10px;width:max-content;color:var(--fv-text);font-size:18px;font-weight:750;letter-spacing:-.02em;text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border:1px solid rgba(77,184,255,.46);border-radius:9px;color:var(--fv-blue);background:linear-gradient(145deg,rgba(77,184,255,.2),rgba(15,62,105,.18));box-shadow:inset 0 0 18px rgba(77,184,255,.06)}.brand-mark svg{width:18px;fill:none;stroke:currentColor;stroke-width:1.8}.brand-content{max-width:500px}.eyebrow{display:none}.brand-content h1{max-width:440px;margin:0;font-size:40px;line-height:1.08;letter-spacing:-.035em;font-weight:800}.brand-content h1 span{color:var(--fv-blue)}.brand-content>p{max-width:430px;margin:17px 0 0;color:var(--fv-muted);font-size:15px;line-height:1.65}.brand-content ul{display:grid;gap:12px;margin:28px 0 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cubic-bezier(.22,1,.36,1)}.auth-view.is-leaving{transform:translateY(5px);opacity:0}.auth-view.is-entering{animation:auth-enter .3s cubic-bezier(.22,1,.36,1)}@keyframes auth-enter{from{transform:translateY(-5px);opacity:0}to{transform:translateY(0);opacity:1}}.card-heading{margin-bottom:24px}.card-heading h2{margin:0;font-size:22px;line-height:1.25;letter-spacing:-.025em;font-weight:800}.card-heading p{margin:6px 0 0;color:var(--fv-muted);font-size:14px}.field{display:grid;gap:6px;margin-top:16px}.field:first-of-type{margin-top:0}.field label{color:#7c8aa0;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;letter-spacing:.09em}.field input{width:100%;height:42px;padding:0 12px;border:1px solid var(--fv-line);border-radius:8px;outline:0;color:var(--fv-text);background:var(--fv-field);font:inherit;font-size:14px;transition:border-color .18s ease,background-color .18s ease,box-shadow .18s ease}.field input:hover{border-color:rgba(120,170,255,.27)}.field input:focus{border-color:rgba(77,184,255,.65);box-shadow:0 0 0 3px rgba(77,184,255,.08)}.field input::placeholder{color:var(--fv-dim)}.password-field{position:relative}.password-field input{padding-right:53px}.password-toggle{position:absolute;top:50%;right:8px;padding:5px;border:0;transform:translateY(-50%);color:#7790a7;background:transparent;font:inherit;font-size:11px;cursor:pointer;transition:color .18s ease}.password-toggle:hover{color:var(--fv-text)}.terms{display:flex;align-items:flex-start;gap:9px;margin-top:16px;color:#8494a8;font-size:12px;line-height:1.55}.terms input{width:15px;height:15px;flex:0 0 auto;margin:2px 0 0;accent-color:var(--fv-blue)}.terms a,.switch-copy a{color:var(--fv-blue);text-decoration:none}.primary-button{display:flex;align-items:center;justify-content:center;gap:7px;width:100%;height:43px;margin-top:17px;border:0;border-radius:8px;color:#04101f;background:var(--fv-blue);font:inherit;font-size:14px;font-weight:700;cursor:pointer;transition:background-color .18s ease,transform .12s ease,box-shadow .18s ease}.primary-button:hover{background:#73c8ff;box-shadow:0 8px 24px rgba(77,184,255,.13)}.primary-button:active{transform:translateY(1px)}.divider{display:flex;align-items:center;gap:12px;margin:20px 0;color:var(--fv-dim);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px}.divider:before,.divider:after{height:1px;flex:1;content:"";background:rgba(120,170,255,.12)}.oauth-button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;min-height:66px;border:1px solid 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12px;border-radius:8px;font-size:12px}.alert.success{border:1px solid rgba(86,214,138,.25);color:#81e6aa;background:rgba(86,214,138,.07)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:900px){.auth-shell{display:block;min-height:100vh}.brand-panel{display:none}.form-panel{min-height:100vh;padding:44px 22px}.form-wrap:before{display:block;margin:0 0 28px;content:"FiveVault";color:var(--fv-text);font-size:19px;font-weight:800;letter-spacing:-.02em}.auth-card{padding:28px}}@media(max-width:480px){.form-panel{align-items:flex-start;padding:30px 16px 38px}.form-wrap{max-width:100%}.form-wrap:before{margin-bottom:24px}.auth-card{padding:24px 19px;border-radius:13px;box-shadow:0 22px 60px rgba(0,0,0,.34)}.two-columns{grid-template-columns:1fr}}