.auth-gate{position:fixed;inset:0;min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:max(24px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(24px,env(safe-area-inset-left));overflow-x:hidden;overflow-y:auto;background:radial-gradient(ellipse 70% 50% at 50% 0%,rgba(91,140,255,.18),transparent 70%),var(--bg);color:var(--text)}.auth-card{width:min(100%,380px);padding:clamp(24px,7vw,32px) clamp(20px,6vw,28px);border:1px solid var(--border);border-radius:20px;background:var(--panel);box-shadow:0 30px 70px -30px #000000b3;text-align:center}.auth-brand{display:inline-flex;align-items:center;gap:8px;margin-bottom:24px;font-size:1.15rem;font-weight:700}.auth-brand .logo-mark{width:30px;height:30px;display:grid;place-items:center;border-radius:9px;color:#0b0d12;background:linear-gradient(135deg,var(--accent),var(--accent-2))}.auth-title{margin:0 0 6px;font-size:clamp(1.3rem,6vw,1.5rem)}.auth-sub{margin:0 0 24px;color:var(--muted);font-size:.9rem;line-height:1.5}.auth-oauth{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.oauth-btn,.auth-submit{width:100%;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:10px;cursor:pointer;font:inherit;font-weight:650}.oauth-btn{border:1px solid var(--border);color:var(--text);background:var(--panel-2)}.oauth-btn:hover{border-color:var(--border-strong);background:var(--surface-3)}.oauth-btn:before{content:"";width:20px;height:20px;flex:0 0 auto;background:center / contain no-repeat url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="%234285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.77h3.57c2.08-1.92 3.28-4.74 3.28-8.09z"/><path fill="%2334A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.77c-.98.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"/><path fill="%23FBBC05" d="M5.84 14.09c-.22-.66-.35-1.36-.35-2.09s.13-1.43.35-2.09V7.07H2.18C1.43 8.55 1 10.22 1 12s.43 3.45 1.18 4.93l2.85-2.22.81-.62z"/><path fill="%23EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.07l3.66 2.84c.87-2.6 3.3-4.53 6.16-4.53z"/></svg>')}.auth-divider{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.82rem}.auth-divider:before,.auth-divider:after{content:"";height:1px;flex:1;background:var(--border)}.auth-form{display:flex;flex-direction:column;gap:11px}.auth-form input{width:100%;min-height:46px;padding:11px 13px;border:1px solid var(--border);border-radius:10px;color:var(--text);background:var(--bg);font:inherit;font-size:.95rem}.auth-submit{margin-top:3px;border:0;color:#fff;background:var(--accent)}.auth-gate button:disabled{opacity:.55;cursor:default}.auth-links{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:12px}.auth-gate .account-switch{padding:3px;border:0;color:var(--accent);background:transparent;cursor:pointer;font:inherit;font-size:.84rem;text-align:center}.auth-gate .account-switch:hover{color:var(--accent-hover);text-decoration:underline;text-underline-offset:3px}.auth-gate .auth-forgot{color:var(--muted)}.auth-gate .account-error,.auth-gate .account-status{margin:14px 0 0;overflow-wrap:anywhere;font-size:.82rem;line-height:1.5}.auth-gate .account-error{color:var(--danger)}.auth-gate .account-status{color:var(--muted)}@media(max-height:620px){.auth-gate{place-items:start center}}.auth-notice{display:flex;align-items:flex-start;gap:8px;margin:0 0 20px;padding:11px 13px;border:1px solid var(--accent-2);border-radius:10px;color:var(--text);background:var(--accent-2-soft);font-size:.84rem;line-height:1.5;text-align:start}.auth-notice svg{flex:0 0 auto;margin-top:2px;color:var(--accent-2)}:root{color-scheme:dark;--surface-0: #0f1115;--surface-1: #1a1d24;--surface-2: #232733;--surface-3: #2c3140;--text-primary: #e6e8ee;--text-secondary: #a7aec0;--text-tertiary: #8b93a7;--accent: #5b8cff;--accent-hover: #7aa5ff;--accent-soft: rgba(91, 140, 255, .14);--accent-2: #3ad6a0;--accent-2-soft: rgba(58, 214, 160, .12);--danger: #ff6b6b;--danger-soft: rgba(255, 107, 107, .12);--warm: #f0997b;--border: #2c3140;--border-strong: #3a4154;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-1: 0 2px 8px rgba(0, 0, 0, .25);--shadow-2: 0 8px 24px rgba(0, 0, 0, .35);--shadow-3: 0 18px 50px rgba(0, 0, 0, .5);--dur-fast: .12s;--dur-med: .22s;--dur-slow: .4s;--ease-out: cubic-bezier(.22, 1, .36, 1);--scrim: rgba(0, 0, 0, .55);--glass: rgba(20, 23, 30, .85);--bg: var(--surface-0);--panel: var(--surface-1);--panel-2: var(--surface-2);--text: var(--text-primary);--muted: var(--text-tertiary)}:root[data-theme=light]{color-scheme:light;--surface-0: #f4f5f8;--surface-1: #ffffff;--surface-2: #eef0f5;--surface-3: #e2e5ec;--text-primary: #1b1e26;--text-secondary: #4a5164;--text-tertiary: #6b7280;--accent: #3d6ff2;--accent-hover: #2f5cd8;--accent-soft: rgba(61, 111, 242, .1);--accent-2: #0fa47a;--accent-2-soft: rgba(15, 164, 122, .1);--danger: #e5484d;--danger-soft: rgba(229, 72, 77, .1);--border: #d9dde6;--border-strong: #c3c9d6;--shadow-1: 0 2px 8px rgba(23, 28, 40, .08);--shadow-2: 0 8px 24px rgba(23, 28, 40, .12);--shadow-3: 0 18px 50px rgba(23, 28, 40, .18);--scrim: rgba(15, 18, 28, .4);--glass: rgba(255, 255, 255, .88)}*,*:before,*:after{box-sizing:border-box}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}:focus:not(:focus-visible){outline:none}html,body,#root{min-height:100%;margin:0}body{min-width:320px;font-family:Vazirmatn,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.route-loading{min-height:100vh;min-height:100dvh;display:grid;place-items:center;background:var(--bg);color:var(--text);font-weight:700;letter-spacing:.08em}.flashcard-image{max-width:100%;height:auto;border-radius:8px;margin-bottom:10px;box-shadow:0 4px 12px #0000004d}.flashcard-image.blur-hint{filter:blur(10px) brightness(.7);transition:filter .3s ease}.flashcard-image.blur-hint:hover{filter:blur(0) brightness(1)}select,option,optgroup{background-color:var(--surface-1);color:var(--text-primary)}*{scrollbar-width:thin;scrollbar-color:var(--surface-2, #232733) transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--surface-2, #232733);border:2px solid transparent;background-clip:content-box;border-radius:999px}::-webkit-scrollbar-thumb:hover{background-color:var(--border, #333a48)}::-webkit-scrollbar-corner{background:transparent}