:root{--sig-navy: #08080E;--sig-navy-2: #0F1220;--sig-navy-3: #161A2B;--sig-amber: #FFB200;--sig-amber-deep: #E09A00;--sig-white: #F0F0F5;--sig-fog: #9090A8;--sig-mid: #55556A;--sig-green: #34D399;--sig-red: #EF4444;--sig-blue: #6366F1;--sig-desk: #FF8C00;--sig-field: #FCB813;--sig-brain: #66B345;--sig-listen: #5B9BD5;--sig-net: #E84393;--sig-sonar: #00B4A8;--sig-white-04: rgba(240,240,245,.04);--sig-white-07: rgba(240,240,245,.07);--sig-white-10: rgba(240,240,245,.1);--sig-white-14: rgba(240,240,245,.14);--sig-white-22: rgba(240,240,245,.22);--sig-amber-12: rgba(255,178,0,.12);--sig-amber-20: rgba(255,178,0,.2);--sig-amber-40: rgba(255,178,0,.4);--surface-page: var(--sig-navy);--surface-raised: var(--sig-navy-2);--surface-hover: var(--sig-navy-3);--surface-glass: var(--sig-white-07);--surface-glass-strong: rgba(240,240,245,.1);--text-strong: var(--sig-white);--text-body: rgba(240,240,245,.8);--text-muted: var(--sig-fog);--text-caption: var(--sig-mid);--text-on-amber: #1A1A2E;--border-hairline: var(--sig-white-10);--border-card: var(--sig-white-14);--accent: var(--sig-amber);--accent-ink: var(--text-on-amber);--focus-ring: var(--sig-amber);--state-success: var(--sig-green);--state-error: var(--sig-red);--state-warning: var(--sig-amber);--state-info: var(--sig-blue)}:root{--radius-xs: 6px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-pill: 999px;--radius-icon: 19%;--shadow-sm: 0 1px 2px rgba(0,0,0,.4);--shadow-md: 0 6px 20px rgba(0,0,0,.45);--shadow-lg: 0 18px 50px rgba(0,0,0,.55);--shadow-icon: 0 8px 24px rgba(0,0,0,.45);--glow-amber: 0 0 0 4px var(--sig-amber-20);--glass-fill: var(--sig-white-07);--glass-border: var(--sig-white-14);--glass-blur: blur(14px);--dot-grid: radial-gradient(circle at 1px 1px, var(--sig-white-10) 1px, transparent 0);--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--dur-fast: .12s;--dur-base: .22s;--dur-slow: 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4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--space-10: 128px;--grid-step: 24px;--container-max: 1200px;--container-narrow: 760px;--section-pad: clamp(48px, 8vw, 128px);--page-gutter: clamp(20px, 5vw, 64px)}@font-face{font-family:Onest;font-weight:300;font-style:normal;font-display:swap;src:url(/fonts/Onest-Light.ttf) format("truetype")}@font-face{font-family:Onest;font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/Onest-Regular.ttf) format("truetype")}@font-face{font-family:Onest;font-weight:700;font-style:normal;font-display:swap;src:url(/fonts/Onest-Bold.ttf) format("truetype")}@font-face{font-family:Unbounded;font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/Unbounded-Regular.ttf) format("truetype")}@font-face{font-family:Unbounded;font-weight:700;font-style:normal;font-display:swap;src:url(/fonts/Unbounded-Bold.ttf) format("truetype")}:root{color-scheme:dark;--bg: var(--sig-navy);--bg-alt: var(--sig-navy-2);--surface-solid: var(--sig-navy-2);--surface-menu: var(--sig-navy-3);--surface: var(--sig-white-04);--surface-2: var(--sig-white-07);--accent: var(--sig-amber);--accent-hover: var(--sig-amber-deep);--accent-text: var(--text-on-amber);--text: var(--sig-white);--text-secondary: var(--sig-fog);--text-tertiary: var(--sig-mid);--border: var(--sig-white-10);--border-strong: var(--sig-white-14);--success: var(--sig-green);--danger: var(--sig-red);--warning: var(--sig-amber);--info: var(--sig-blue);--success-bg: rgba(52, 211, 153, .16);--success-border: rgba(52, 211, 153, .3);--danger-bg: rgba(239, 68, 68, .16);--danger-border: rgba(239, 68, 68, .3);--danger-text: #FCA5A5;--brain-bg: rgba(102, 179, 69, .16);--brain-border: rgba(102, 179, 69, .3);--neutral-bg: rgba(144, 144, 168, .16);--neutral-border: rgba(144, 144, 168, .3);--overlay: rgba(4, 4, 8, .66);--sidebar-width: 280px;--header-height: 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24px}.welcome{max-width:560px;margin:auto;display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}.welcome-title{font-size:32px;line-height:1.15}.welcome-text{max-width:480px;font-size:16px;line-height:1.6;color:var(--text-muted)}.welcome-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.msg-user{display:flex;justify-content:flex-end}.msg-bubble{max-width:75%;padding:12px 16px;border:1px solid var(--border);border-radius:16px 16px 4px;background:var(--surface-2);font-size:15px;line-height:1.55;color:var(--text-strong);white-space:pre-wrap;overflow-wrap:anywhere}.msg-assistant{display:flex;align-items:flex-start;gap:14px}.msg-avatar{display:flex;align-items:center;gap:8px;flex-shrink:0}.msg-author{display:none;font-size:13px;font-weight:700;color:var(--text-strong)}.msg-avatar .product-icon{width:28px;height:28px}.msg-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:18px}.msg-error{padding:12px 14px;border:1px solid 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img{width:100%;height:100%;object-fit:cover}.sources{display:flex;flex-direction:column;gap:10px}.source-chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none}.source-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:7px 12px;border:1px solid var(--border);border-radius:var(--radius-pill);background:var(--surface);font-size:13px;line-height:1.3}.source-chip svg{flex-shrink:0;color:var(--accent)}.source-chip-doc{min-width:0;color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-chip-section{flex-shrink:1;min-width:0;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.source-chip-more{padding:7px 12px;border:1px dashed var(--sig-white-22);border-radius:var(--radius-pill);color:var(--text-muted);font-size:13px;line-height:1.3}.source-chip-more:hover{color:var(--text-strong);border-color:var(--text-muted)}.msg-actions{display:flex;align-items:center;gap:2px;margin-left:-8px}.composer{flex-shrink:0;padding:12px 24px calc(20px + env(safe-area-inset-bottom));background:var(--bg)}.composer-form{max-width:var(--content-width);margin:0 auto;display:flex;flex-direction:column;gap:8px}.composer-box{display:flex;align-items:flex-end;gap:10px;padding:10px 10px 10px 18px;border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface-2);box-shadow:var(--shadow-md);transition:border-color var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out)}.composer-box:focus-within{border-color:var(--accent);box-shadow:var(--glow-amber)}.composer-box.disabled{background:var(--surface);border-color:var(--border);box-shadow:none}.composer-input{flex:1;min-width:0;min-height:38px;max-height:150px;padding:7px 0;resize:none;border:none;outline:none;background:transparent;font-size:16px;line-height:1.5;color:var(--text-strong)}.composer-input::placeholder{color:var(--text-muted)}.composer-input:disabled{color:var(--text-muted);cursor:not-allowed}.composer-hint{font-size:12px;line-height:1.4;text-align:center;color:var(--text-muted)}.composer-demo{display:flex;align-items:flex-start;gap:10px;padding:14px 18px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);font-size:14px;line-height:1.45;color:var(--text-secondary)}.composer-demo svg{flex-shrink:0;margin-top:1px}.send-btn{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:38px;height:38px;border:1px solid transparent;border-radius:var(--radius-pill);background:var(--accent);color:var(--accent-text);transition:background var(--dur-base) var(--ease-out)}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{background:var(--surface-2);border-color:var(--border);color:var(--text-tertiary)}.update-banner{position:fixed;right:24px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:200;display:flex;align-items:center;gap:12px;width:min(400px,calc(100vw - 24px));padding:12px 12px 12px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface-solid);box-shadow:var(--shadow-lg);animation:riseIn var(--dur-base) var(--ease-out)}.update-banner-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.update-banner-title{font-size:14px;font-weight:700;color:var(--text-strong)}.update-banner-detail{font-size:13px;color:var(--text-muted)}.page{flex:1;min-height:0;overflow-y:auto;padding:32px 24px 48px}.page-inner{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.page-inner-wide{max-width:880px}.profile{display:flex;align-items:center;gap:12px}.profile-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.profile-name{font-size:16px;font-weight:700;color:var(--text-strong)}.profile-email{font-size:14px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge-row{display:flex;flex-wrap:wrap;gap:6px}.kv-row{display:flex;justify-content:space-between;gap:12px;font-size:14px}.kv-row dt{color:var(--text-muted)}.kv-row 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at 18% 8%,rgba(255,178,0,.1),transparent 46%),radial-gradient(circle at 84% 30%,rgba(97,100,237,.14),transparent 44%),radial-gradient(circle at 1px 1px,var(--sig-white-10) 1px,transparent 0);background-size:auto,auto,var(--grid-step) var(--grid-step)}.fs-state{flex:1;min-height:100svh;display:flex;flex-direction:column;align-items:center;padding:calc(32px + env(safe-area-inset-top)) 24px calc(28px + env(safe-area-inset-bottom))}.fs-state-logo{height:28px;width:auto}.fs-state-body{flex:1;width:100%;max-width:400px;display:flex;flex-direction:column;justify-content:center;gap:24px;padding:32px 0}.fs-state-body-center{align-items:center;text-align:center}.fs-state-vlogo{height:120px;width:auto}.fs-state-status{display:flex;align-items:center;gap:12px;font-size:17px;color:var(--text-strong)}.fs-state-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border:1px solid 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env(safe-area-inset-top));right:12px}.ios-install-title{font-size:24px;line-height:1.2}.ios-install-text{max-width:320px;font-size:15px;line-height:1.6;color:var(--text-muted)}.ios-install-steps{width:100%;max-width:340px;display:flex;flex-direction:column;gap:10px}.ios-install-step{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface-2);text-align:left;font-size:15px;line-height:1.4}.ios-install-step svg{flex-shrink:0;color:var(--accent)}.ios-install .btn{width:100%;max-width:340px}@media(max-width:768px){.sidebar-container{position:fixed;top:0;left:0;bottom:0;z-index:100;width:min(312px,86vw);transform:translate(-100%);transition:transform var(--dur-base) var(--ease-out)}.sidebar-container.open{transform:translate(0);box-shadow:var(--shadow-lg)}.sidebar{width:100%}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:99;background:var(--overlay);animation:fadeIn var(--dur-base) var(--ease-out)}.chat-row{min-height:44px}.chat-row-link{font-size:15px}.chat-row-menu-btn{width:36px;height:36px}.sidebar-link{min-height:44px;font-size:15px}.only-mobile{display:inline-flex!important}.only-desktop{display:none!important}.app-header{padding:env(safe-area-inset-top) 6px 0;gap:4px}.app-header-title{text-align:center}.app-header-side{min-width:44px;justify-content:flex-end}.chat-messages{padding:20px 16px 8px}.chat-thread{gap:24px}.chat-welcome{padding:24px}.welcome{gap:16px}.welcome-title{font-size:24px;line-height:1.2}.welcome-text{font-size:15px}.msg-bubble{max-width:85%;padding:11px 14px}.msg-assistant{flex-direction:column;gap:12px}.msg-author{display:inline}.msg-avatar .product-icon{width:24px;height:24px}.msg-body{width:100%;gap:14px}.msg-image-btn{width:132px;height:96px}.msg-actions{margin-left:-10px}.msg-actions .icon-btn{width:44px;height:44px}.composer{padding:8px 12px calc(14px + env(safe-area-inset-bottom))}.composer-box{padding:8px 8px 8px 16px;box-shadow:none}.send-btn{width:44px;height:44px}.update-banner{right:12px;left:12px;width:auto;bottom:calc(112px + env(safe-area-inset-bottom))}.page{padding:16px 16px 32px}.page-inner{gap:12px}.card{padding:18px}.card-head>.btn{width:100%;margin-left:0}.stat-grid{grid-template-columns:minmax(0,1fr);gap:12px}}