:root{--bg:#fafafa;--bg-soft:#f2f2f2;--card:#fff;--text:#0a0a0a;--muted:#6f6f6f;--border:#e8e8e8;--accent:#111;--danger:#b42318}*{box-sizing:border-box}body{margin:0;font-family:Space Grotesk,Avenir Next,PingFang SC,sans-serif;background:radial-gradient(900px 420px at 8% -5%,#fff 0,transparent 60%),radial-gradient(900px 420px at 92% -5%,#f4f4f4 0,transparent 60%),linear-gradient(180deg,var(--bg-soft) 0,var(--bg) 45%,#fff 100%);color:var(--text);min-height:100vh}.container{max-width:980px;margin:0 auto;padding:28px 24px}.card{background:var(--card);border-radius:16px;padding:22px;border:1px solid var(--border);box-shadow:0 10px 36px rgba(0,0,0,.06)}.row{display:flex;gap:12px;flex-wrap:wrap}a{color:var(--text);text-decoration:none}a:hover{opacity:.7}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--border);background:#fff;transition:border-color .2s ease,box-shadow .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:#b8b8b8;box-shadow:0 0 0 3px rgba(0,0,0,.06)}button{border:1px solid #1a1a1a;background:var(--accent);color:#fff;padding:11px 18px;border-radius:999px;cursor:pointer;transition:transform .15s ease,opacity .2s ease}button:hover{transform:translateY(-1px)}button:disabled{opacity:.65;cursor:not-allowed}button.secondary{background:#fff;color:#111;border-color:#d0d0d0}small{color:var(--muted)}.nav-shell{padding-bottom:0}.nav-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.nav-brand{letter-spacing:.01em;font-size:15px}.nav-links{align-items:center;gap:14px;font-size:14px}.auth-page{max-width:480px;margin:16px auto 0}.auth-title{margin:0 0 10px;font-size:32px;letter-spacing:-.02em}.auth-hint{display:block;margin-top:10px;text-align:center}.auth-form{display:grid;grid-gap:12px;gap:12px}.auth-form label{display:grid;grid-gap:6px;gap:6px;font-size:14px}.form-actions{display:flex;justify-content:center}.form-actions button{min-width:160px}.form-error{color:var(--danger);text-align:center}.proust-wrap{display:grid;grid-gap:14px;gap:14px}.proust-kicker{text-transform:uppercase;letter-spacing:.08em;font-size:12px;color:#4f4f4f}.proust-hero h1{margin:8px 0 10px;letter-spacing:-.02em}.proust-list{margin:0;padding-left:20px;display:grid;grid-gap:8px;gap:8px}.proust-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.proust-source{display:grid;grid-gap:8px;gap:8px}.proust-source h3,.proust-source p{margin:0}.proust-source-img{width:100%;height:180px;object-fit:cover;border-radius:12px;border:1px solid var(--border)}.language-switcher{position:relative;display:inline-block}.language-toggle{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:6px;cursor:pointer;font-size:14px;color:var(--color-text);transition:all .2s ease}.language-toggle:hover{background:var(--color-bg-hover);border-color:var(--color-primary)}.language-text{white-space:nowrap}.language-arrow{transition:transform .2s ease;color:var(--color-text-secondary)}.language-arrow.rotated{transform:rotate(180deg)}.language-dropdown{position:absolute;top:100%;right:0;min-width:160px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:6px;box-shadow:0 4px 12px rgba(0,0,0,.15);z-index:1000;margin-top:4px;overflow:hidden}.language-option{display:block;width:100%;padding:12px 16px;text-align:left;background:none;border:none;cursor:pointer;font-size:14px;color:var(--color-text);transition:background .2s ease}.language-option:hover{background:var(--color-bg-hover)}.language-option:focus{outline:2px solid var(--color-primary);outline-offset:-2px}@media (max-width:768px){.language-dropdown{right:0;left:auto}.language-toggle{padding:6px 10px;font-size:13px}}@media (max-width:640px){.container{padding:16px}.auth-page{margin-top:8px}.auth-title{font-size:28px}.proust-grid{grid-template-columns:1fr}}