:root{--bg-primary: #f8f9fa;--bg-secondary: #eef0f2;--bg-chat: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--accent: #6366f1;--accent-hover: #4f46e5;--accent-light: #eef2ff;--border: #e5e7eb;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--radius: 14px;--radius-sm: 10px;--radius-xs: 6px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .1);--transition: .2s cubic-bezier(.4, 0, .2, 1)}[data-theme=dark]{--bg-primary: #0c0c0e;--bg-secondary: #18181b;--bg-chat: #111113;--text-primary: #f4f4f5;--text-secondary: #a1a1aa;--accent: #818cf8;--accent-hover: #a5b4fc;--accent-light: rgba(99, 102, 241, .12);--border: #27272a;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .4)}.page-header{display:flex;align-items:center;gap:12px;padding:14px 20px;padding-top:calc(14px + env(safe-area-inset-top));border-bottom:1px solid var(--border);background:var(--bg-chat);flex-shrink:0;z-index:10}.page-header__title{font-size:22px;font-weight:700;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:-.02em}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{background:var(--bg-primary);color:var(--text-primary)}body{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}#root{height:100%;max-width:720px;margin:0 auto;display:flex;flex-direction:column;overflow:hidden;position:relative}@media(min-width:721px){#root{border-left:1px solid var(--border);border-right:1px solid var(--border);background:var(--bg-primary);box-shadow:var(--shadow-lg)}}input,button,textarea,select{font-family:inherit}h1,h2,h3,h4,h5,h6{font-family:Inter,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;letter-spacing:-.02em}a{color:inherit;text-decoration:none}::selection{background:var(--accent-light);color:var(--accent)}[data-theme=dark] ::-webkit-scrollbar{width:8px;height:8px}[data-theme=dark] ::-webkit-scrollbar-track{background:transparent}[data-theme=dark] ::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}[data-theme=dark]{scrollbar-color:var(--border) transparent;scrollbar-width:thin}@keyframes spin{to{transform:rotate(360deg)}}.spin-animation{animation:spin 1s linear infinite}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:stretch;justify-content:space-around;background:var(--bg-chat);border-top:1px solid var(--border);padding-bottom:max(env(safe-area-inset-bottom,0px),6px);z-index:100;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}@supports (backdrop-filter: blur(16px)){.bottom-nav{background:color-mix(in srgb,var(--bg-chat) 85%,transparent)}}@media(min-width:721px){.bottom-nav{max-width:720px;left:50%;transform:translate(-50%)}}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:10px 4px 6px;text-decoration:none;color:var(--text-secondary);font-size:10px;font-weight:500;transition:color var(--transition),transform var(--transition);-webkit-tap-highlight-color:transparent}.bottom-nav__item:active{transform:scale(.92)}.bottom-nav__item--active{color:var(--accent)}.bottom-nav__icon{display:flex;align-items:center;justify-content:center;height:24px;position:relative}.bottom-nav__badge{position:absolute;top:-5px;right:-12px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;line-height:1;box-shadow:0 2px 6px #6366f166}.bottom-nav__label{line-height:1;letter-spacing:.01em}.auth-root{--auth-card-max: 420px;--auth-pad: clamp(16px, 4vw, 28px);min-height:100%;width:100%;display:flex;align-items:center;justify-content:center;padding:var(--auth-pad);background:var(--bg-primary)}@media(max-width:520px){.auth-root{padding:16px}.auth-card{border-radius:var(--radius, 14px);box-shadow:none}}.auth-card{width:100%;max-width:var(--auth-card-max);background:var(--bg-chat);border:1px solid var(--border);border-radius:var(--radius, 14px);box-shadow:var(--shadow-lg);padding:clamp(28px,5vw,40px);display:flex;flex-direction:column;gap:24px}.auth-brand{text-align:center;margin-bottom:4px}.auth-logo-mark{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;background:linear-gradient(135deg,var(--accent) 0%,#4338ca 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:22px;font-family:Inter,system-ui,sans-serif;letter-spacing:-.03em;box-shadow:0 4px 16px #6366f14d}.auth-title{font-family:Inter,system-ui,sans-serif;font-size:1.6rem;font-weight:700;color:var(--text-primary);letter-spacing:-.03em}.auth-subtitle{font-size:14px;color:var(--text-secondary);line-height:1.5;text-align:center}.auth-link{font-size:14px;font-weight:500;color:var(--accent);text-decoration:none;text-align:center;background:none;border:none;cursor:pointer;padding:4px;font-family:inherit;transition:opacity var(--transition)}.auth-link:hover{text-decoration:underline}.auth-link-muted{font-size:13px;color:var(--text-secondary);text-align:center}.auth-otp-row{display:flex;gap:10px;justify-content:center;flex-wrap:nowrap}.auth-otp-digit{width:46px;height:52px;text-align:center;font-size:22px;font-weight:600;border-radius:var(--radius-sm, 10px);border:1.5px solid var(--border);background:var(--bg-secondary);color:var(--text-primary);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.auth-otp-digit:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);background:var(--bg-chat)}.auth-pin-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.auth-pin-dot{width:14px;height:14px;border-radius:999px;border:2px solid var(--border);background:transparent;transition:border-color var(--transition),background var(--transition),transform var(--transition)}.auth-pin-dot.filled{background:var(--accent);border-color:var(--accent);transform:scale(1.15)}.auth-pin-hidden{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px;overflow:hidden}.auth-pin-wrap{position:relative;display:flex;flex-direction:column;align-items:center;gap:12px}