:root{color-scheme:light dark;--bg:#f5f5f7;--surface:#fff;--surface-2:#f0f0f3;--hairline:rgba(0,0,0,.08);--hairline-strong:rgba(0,0,0,.16);--text:#1d1d1f;--text-secondary:rgba(29,29,31,.72);--text-tertiary:rgba(29,29,31,.54);--accent:#0071e3;--accent-hover:#0077ed;--accent-active:#006edb;--accent-fg:#fff;--danger:#d70015;--danger-bg:rgba(215,0,21,.08);--input-bg:#fff;--input-border:rgba(0,0,0,.16);--input-border-focus:var(--accent);--input-shadow-focus:0 0 0 4px rgba(0,113,227,.18);--card-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.08);--radius-sm:8px;--radius-md:12px;--radius-lg:18px}@media (prefers-color-scheme:dark){:root{--bg:#000;--surface:#1c1c1e;--surface-2:#2c2c2e;--hairline:hsla(0,0%,100%,.1);--hairline-strong:hsla(0,0%,100%,.18);--text:#f5f5f7;--text-secondary:rgba(245,245,247,.72);--text-tertiary:rgba(245,245,247,.5);--accent:#0a84ff;--accent-hover:#2c95ff;--accent-active:#0974e8;--danger:#ff453a;--danger-bg:rgba(255,69,58,.14);--input-bg:#1c1c1e;--input-border:hsla(0,0%,100%,.16);--input-shadow-focus:0 0 0 4px rgba(10,132,255,.3);--card-shadow:0 1px 2px rgba(0,0,0,.4),0 16px 40px rgba(0,0,0,.55)}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}a{color:var(--accent);text-decoration:none;transition:opacity .12s ease}a:hover{opacity:.78}h1,h2,h3{letter-spacing:-.01em;font-weight:600;margin:0 0 12px}h1{font-size:28px;letter-spacing:-.02em}.auth-page{min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 600px at 50% -10%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 60%),var(--bg)}.auth-card{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--card-shadow);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}.auth-eyebrow{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-tertiary);margin:0 0 8px}.auth-title{font-size:26px;letter-spacing:-.02em;font-weight:600;margin:0 0 6px}.auth-subtitle{margin:0 0 24px;color:var(--text-secondary);font-size:14px}.field{display:block;margin-bottom:14px}.field-label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px;font-weight:500}.input{width:100%;padding:12px 14px;font:inherit;color:var(--text);background:var(--input-bg);border:1px solid var(--input-border);border-radius:var(--radius-md);outline:none;transition:border-color .12s ease,box-shadow .12s ease}.input::placeholder{color:var(--text-tertiary)}.input:hover{border-color:var(--hairline-strong)}.input:focus{border-color:var(--input-border-focus);box-shadow:var(--input-shadow-focus)}.button{width:100%;padding:12px 16px;font:inherit;font-weight:600;color:var(--accent-fg);background:var(--accent);border:none;border-radius:var(--radius-md);cursor:pointer;transition:background .12s ease,transform 80ms ease;margin-top:4px}.button:hover{background:var(--accent-hover)}.button:active{background:var(--accent-active);transform:scale(.99)}.button:disabled{opacity:.5;cursor:not-allowed}.alert-error{margin-top:16px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--danger-bg);color:var(--danger);font-size:13px;border:1px solid color-mix(in srgb,var(--danger) 30%,transparent)}.muted{color:var(--text-secondary);font-size:13px;margin:16px 0 0;text-align:center}.spinner{width:22px;height:22px;border-radius:50%;border:2px solid var(--hairline-strong);border-top-color:var(--accent);animation:spin .8s linear infinite;margin:0 auto 12px}@keyframes spin{to{transform:rotate(1turn)}}