*{box-sizing:border-box}body{margin:0;font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}:root,[data-theme=light]{--color-bg: #f8fafc;--color-bg-mid: #f1f5f9;--color-bg-end: #e2e8f0;--color-card: #ffffff;--color-card-border: #e2e8f0;--color-card-shadow: 0 1px 3px rgba(0, 0, 0, .06);--color-text: #334155;--color-text-muted: #64748b;--color-text-label: #475569;--color-input-bg: #f0f2f5;--color-input-bg-hover: #e8ecf1;--color-input-border: #e2e8f0;--color-input-border-hover: #cbd5e1;--color-input-placeholder: #94a3b8;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #eff6ff;--color-focus: #2563eb;--color-focus-ring: rgba(37, 99, 235, .2);--color-btn-bg: #2563eb;--color-btn-bg-hover: #1d4ed8;--color-settings-bg: #ffffff;--color-settings-border: #e2e8f0;--color-settings-text: #64748b;--color-settings-active: #2563eb;--color-settings-active-bg: #eff6ff;--color-error: #dc2626;--color-error-bg: rgba(220, 38, 38, .06)}[data-theme=dark]{--color-bg: #1a1a1c;--color-bg-mid: #222224;--color-bg-end: #2a2a2c;--color-card: #252528;--color-card-border: #36363a;--color-card-shadow: 0 2px 8px rgba(0, 0, 0, .4);--color-text: #e8e8ea;--color-text-muted: #a1a1a6;--color-text-label: #b8b8bd;--color-input-bg: #1e1e21;--color-input-bg-hover: #252528;--color-input-border: #3a3a3e;--color-input-border-hover: #4a4a4e;--color-input-placeholder: #6e6e73;--color-primary: #5b9cf6;--color-primary-hover: #7ab4f8;--color-primary-light: rgba(91, 156, 246, .15);--color-focus: #7ab4f8;--color-focus-ring: rgba(122, 180, 248, .2);--color-btn-bg: #3b82f6;--color-btn-bg-hover: #5b9cf6;--color-settings-bg: #252528;--color-settings-border: #36363a;--color-settings-text: #a1a1a6;--color-settings-active: #7ab4f8;--color-settings-active-bg: rgba(91, 156, 246, .18);--color-error: #f08080;--color-error-bg: rgba(240, 128, 128, .12)}.auth-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--color-bg);padding:1.5rem;position:relative;overflow:hidden}.auth-screen:before{content:"";position:absolute;inset:0;z-index:0;background-image:url(/road-bg.svg);background-size:cover;background-position:center;background-repeat:no-repeat;opacity:.5;pointer-events:none}[data-theme=dark] .auth-screen:before{background-image:url(/road-bg-dark.svg);opacity:.35}.auth-screen>*{position:relative;z-index:1}.settings-bar{position:absolute;top:1.25rem;right:1.25rem;display:flex;align-items:center;gap:.5rem;padding:.5rem .75rem;background:var(--color-settings-bg);border:1px solid var(--color-settings-border);border-radius:12px;box-shadow:var(--color-card-shadow)}.settings-section{display:flex;align-items:center;gap:.5rem}.lang-group{display:flex;background:var(--color-input-bg);border-radius:8px;padding:2px}.lang-btn{padding:.375rem .75rem;font-size:.8125rem;font-weight:500;color:var(--color-settings-text);background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease}.lang-btn:hover{color:var(--color-text)}.lang-btn.active{color:var(--color-settings-active);background:var(--color-card);box-shadow:0 1px 2px #0000000d}[data-theme=dark] .lang-btn.active{box-shadow:0 1px 3px #0003}.settings-divider{width:1px;height:24px;background:var(--color-settings-border);flex-shrink:0}.theme-group{display:flex;background:var(--color-input-bg);border-radius:8px;padding:2px}.theme-btn{display:flex;align-items:center;justify-content:center;padding:.375rem;color:var(--color-settings-text);background:transparent;border:none;border-radius:6px;cursor:pointer;transition:all .2s ease}.theme-btn:hover{color:var(--color-settings-active);background:var(--color-card);box-shadow:0 1px 2px #0000000d}[data-theme=dark] .theme-btn:hover{box-shadow:0 1px 3px #0003}.theme-btn svg{display:block}.auth-card{width:100%;max-width:420px;background:var(--color-card);border:1px solid var(--color-card-border);border-radius:12px;box-shadow:var(--color-card-shadow);padding:2.5rem}.auth-header{margin-bottom:2rem;text-align:center}.auth-title{margin:0;font-size:1.75rem;font-weight:600;letter-spacing:-.02em;color:var(--color-text)}.auth-subtitle{margin:.5rem 0 0;font-size:.9375rem;color:var(--color-text-muted);line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:1.25rem}.form-group{display:flex;flex-direction:column;gap:.375rem}.form-group label{font-size:.875rem;font-weight:500;color:var(--color-text-label)}.form-group input{padding:.75rem 1rem;font-size:.9375rem;border:1px solid var(--color-input-border);border-radius:8px;background:var(--color-input-bg);color:var(--color-text);transition:border-color .15s ease,background .15s ease}.form-group input:hover{background:var(--color-input-bg-hover);border-color:var(--color-input-border-hover)}.form-group input::placeholder{color:var(--color-input-placeholder)}.form-group input:focus{outline:none;border-color:var(--color-focus);background:var(--color-card);box-shadow:0 0 0 3px var(--color-focus-ring)}.form-group.form-group--error input{border:2px solid var(--color-error);background:var(--color-error-bg);animation:inputErrorShake .35s ease}.form-group.form-group--error input:focus{border-color:var(--color-error);box-shadow:0 0 0 2px var(--color-error-bg)}@media(prefers-reduced-motion:reduce){.form-group.form-group--error input{animation:none}}@keyframes inputErrorShake{0%,to{transform:translate(0)}20%{transform:translate(-4px)}40%{transform:translate(4px)}60%{transform:translate(-2px)}80%{transform:translate(2px)}}.auth-submit{margin-top:.5rem;padding:.875rem 1.25rem;font-size:.9375rem;font-weight:500;color:#fff;background:var(--color-btn-bg);border:none;border-radius:8px;cursor:pointer;transition:background .2s ease;outline:none}.auth-submit:hover{background:var(--color-btn-bg-hover)}.auth-submit:focus-visible{box-shadow:0 0 0 2px var(--color-card),0 0 0 4px var(--color-focus)}.auth-submit:active{opacity:.95}