:root{--bg-primary: #fafafa;--bg-secondary: #f0f0f0;--bg-chat: #ffffff;--text-primary: #0d0d0d;--text-secondary: #6b6b6b;--accent: #7c3aed;--accent-hover: #6d28d9;--accent-light: #ede9fe;--border: #e5e5e5;--danger: #ef4444;--success: #10b981;--radius: 12px;--radius-sm: 8px}[data-theme=dark]{--bg-primary: #0d0d0d;--bg-secondary: #1a1a1a;--bg-chat: #141414;--text-primary: #fafafa;--text-secondary: #9ca3af;--accent: #8b5cf6;--accent-hover: #a78bfa;--accent-light: #1e1b4b;--border: #2d2d2d}.page-header{display:flex;align-items:center;gap:12px;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top));border-bottom:1px solid var(--border);background:var(--bg-chat);position:sticky;top:0;z-index:10}.page-header__title{font-size:20px;font-weight:700;margin:0;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}body{font-family:Inter,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100dvh;-webkit-font-smoothing:antialiased}input,button,textarea,select{font-family:inherit}h1,h2,h3,h4,h5,h6{font-family:Space Grotesk,Inter,system-ui,sans-serif}[data-theme=dark] ::-webkit-scrollbar{width:10px;height:10px}[data-theme=dark] ::-webkit-scrollbar-track{background:var(--bg-secondary)}[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) var(--bg-secondary);scrollbar-width:thin}.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:env(safe-area-inset-bottom);z-index:100}@media(min-width:600px){.bottom-nav{max-width:560px;margin:0 auto;left:50%;transform:translate(-50%);border-left:1px solid var(--border);border-right:1px solid var(--border)}}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 4px 6px;text-decoration:none;color:var(--text-secondary);font-size:10px;font-weight:500;transition:color .15s ease;-webkit-tap-highlight-color:transparent}.bottom-nav__item--active{color:var(--accent)}.bottom-nav__icon{display:flex;align-items:center;justify-content:center;height:22px}.bottom-nav__label{line-height:1}.auth-root{--auth-card-max: 420px;--auth-pad: clamp(16px, 4vw, 28px);min-height:100dvh;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, 12px);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, 12px);box-shadow:0 12px 40px #0d0d0d0f;padding:clamp(24px,5vw,36px);display:flex;flex-direction:column;gap:20px}.auth-brand{text-align:center;margin-bottom:4px}.auth-logo-mark{width:48px;height:48px;margin:0 auto 12px;border-radius:14px;background:linear-gradient(135deg,var(--accent) 0%,#5b21b6 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:20px;font-family:Inter,system-ui,sans-serif;letter-spacing:-.02em}.auth-title{font-family:Inter,system-ui,sans-serif;font-size:1.5rem;font-weight:700;color:var(--text-primary);letter-spacing:-.02em}.auth-subtitle{font-size:14px;color:var(--text-secondary);line-height:1.45;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}.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:8px;justify-content:center;flex-wrap:nowrap}.auth-otp-digit{width:44px;height:48px;text-align:center;font-size:20px;font-weight:600;border-radius:var(--radius-sm, 8px);border:1px solid var(--border);background:var(--bg-chat);color:var(--text-primary);outline:none}.auth-otp-digit:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-light)}.auth-pin-row{display:flex;gap:10px;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 .15s ease,background .15s ease}.auth-pin-dot.filled{background:var(--accent);border-color:var(--accent)}.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}