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var(--transition-fast);justify-content:center;align-items:center;display:none}.chat-window__menu-btn:hover{background:var(--color-surface-hover);color:var(--color-text)}.chat-window__title{font-size:var(--font-size-md);color:var(--color-text);white-space:nowrap;text-overflow:ellipsis;max-width:150px;font-weight:600;overflow:hidden}.chat-window__subtitle{font-size:var(--font-size-xs);color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;max-width:150px;font-weight:400;overflow:hidden}.chat-window__header-badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-xs);color:var(--color-secondary-dark);cursor:pointer;transition:all var(--transition-fast);background:#2ec4b61a;border:1px solid #0000;font-weight:500;display:flex}.chat-window__header-badge:hover{border-color:var(--color-secondary);background:#2ec4b633}.chat-window__header-actions{align-items:center;gap:var(--space-2);display:flex}.chat-window__header-signin{font-size:var(--font-size-sm);color:var(--color-text-secondary);transition:color var(--transition-fast);font-weight:500}.chat-window__header-signin:hover{color:var(--color-text)}.chat-window__header-logout{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-secondary);transition:all var(--transition-fast);border:1px solid var(--color-border);font-weight:500;display:flex}.chat-window__header-logout:hover{border-color:var(--color-error);color:var(--color-error);background:#e6394614}.chat-window__header-badge-dot{border-radius:var(--radius-full);background:var(--color-success);width:6px;height:6px;animation:2s ease-in-out infinite pulse}.chat-window__messages-area{flex:1;min-height:0;display:flex;position:relative}.chat-window__messages{min-width:0;padding:var(--space-6) var(--space-4);gap:var(--space-3);flex-direction:column;flex:1;display:flex;overflow:hidden auto}.chat-window__message-anchor{scroll-margin-top:var(--space-3)}.chat-window__scroll-bottom{left:50%;bottom:var(--space-4);z-index:5;border-radius:var(--radius-full);background:var(--color-surface);width:42px;height:42px;color:var(--color-text-secondary);border:1px solid var(--color-border);box-shadow:var(--shadow-lg);transition:all var(--transition-fast);justify-content:center;align-items:center;animation:.18s fadeIn;display:flex;position:absolute;transform:translate(-50%)}.chat-window__scroll-bottom:hover{color:var(--color-secondary-dark);border-color:var(--color-secondary);transform:translate(-50%)translateY(-1px)}.chat-window__minimap{top:var(--space-5);right:var(--space-3);bottom:var(--space-5);z-index:4;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:7px;width:24px;display:flex;position:absolute}.chat-window__minimap-dot{border-radius:var(--radius-full);background:var(--color-text-muted);opacity:.55;pointer-events:auto;width:8px;height:8px;transition:all var(--transition-fast);flex:0 0 8px;position:relative}.chat-window__minimap-dot:hover{opacity:1;background:var(--color-secondary);transform:scale(1.35)}.chat-window__minimap-tooltip{right:calc(100% + var(--space-2));width:max-content;max-width:220px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);color:var(--color-text);box-shadow:var(--shadow-md);font-size:var(--font-size-xs);opacity:0;pointer-events:none;transition:opacity var(--transition-fast), transform var(--transition-fast);background:#f7faf9;border:1px solid #2ec4b673;font-weight:500;line-height:1.35;position:absolute;top:50%;transform:translateY(-50%)translate(4px)}.chat-window__minimap-dot:hover .chat-window__minimap-tooltip{opacity:1;transform:translateY(-50%)translate(0)}.chat-window__messages-inner{max-width:var(--chat-max-width);gap:var(--space-3);flex-direction:column;width:100%;margin:0 auto;display:flex}.chat-window__messages-inner--active-stream{padding-bottom:clamp(280px,56vh,560px)}.chat-window__loading-messages{padding:var(--space-8) 0;flex:1;justify-content:center;align-items:center;display:flex}.chat-window__loading-skeleton{gap:var(--space-4);flex-direction:column;width:100%;max-width:600px;display:flex}.chat-window__skeleton-row{border-radius:var(--radius-lg);background:linear-gradient(90deg, var(--color-surface-hover) 25%, var(--color-border) 50%, var(--color-surface-hover) 75%);background-size:200% 100%;height:44px;animation:1.5s ease-in-out infinite skeleton-shimmer}.chat-window__skeleton-row--right{align-self:flex-end;width:55%}.chat-window__skeleton-row--left{align-self:flex-start;width:45%}.chat-window__skeleton-row--wide{width:70%}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.chat-window__input-area{padding:var(--space-4) var(--space-4) var(--space-5);background:var(--color-bg);flex-shrink:0}.chat-window__input-wrapper{max-width:var(--chat-max-width);margin:0 auto}@media (width<=768px){.chat-window{height:100dvh}.chat-window__header{z-index:10;padding-top:env(safe-area-inset-top,0px);height:calc(var(--header-height) + env(safe-area-inset-top,0px));position:sticky;top:0}.chat-window__menu-btn{display:flex}.chat-window__messages{padding:var(--space-4) var(--space-3)}.chat-window__messages-inner--active-stream{padding-bottom:clamp(220px,52dvh,420px)}.chat-window__scroll-bottom{bottom:var(--space-3);width:38px;height:38px}.chat-window__minimap{right:2px;top:var(--space-4);bottom:var(--space-4);gap:6px;width:18px}.chat-window__minimap-dot{flex-basis:6px;width:6px;height:6px}.chat-window__minimap-tooltip{max-width:170px;font-size:.6875rem}.chat-window__title{font-size:var(--font-size-base)}.chat-window__subtitle{font-size:.6875rem}.chat-window__header-badge{padding:var(--space-1) var(--space-2);font-size:.6875rem}.chat-window__header-signin{font-size:var(--font-size-xs)}.chat-window__input-area{padding:var(--space-3) var(--space-3);padding-bottom:max(var(--space-3), env(safe-area-inset-bottom,0px))}}.chat-layout{height:100vh;display:flex;overflow:hidden}.chat-layout--collapsed .sidebar{border-right:none;width:0;overflow:hidden}.chat-layout--collapsed .chat-window__menu-btn{display:flex}@media (width<=768px){.chat-layout{width:100%;height:100dvh;position:relative;overflow-x:hidden}.chat-layout--collapsed .sidebar{width:var(--sidebar-width);overflow:unset;border-right:1px solid var(--color-border)}}:root{--color-primary:#0d1b3e;--color-primary-light:#162850;--color-primary-dark:#080f22;--color-secondary:#2ec4b6;--color-secondary-light:#5dd4c8;--color-secondary-dark:#1f9a8e;--color-accent:#48d1a0;--color-accent-light:#7ae0bd;--color-accent-dark:#2db87e;--color-bg:#f8fafb;--color-bg-alt:#eef2f5;--color-surface:#fff;--color-surface-hover:#f0f4f8;--color-text:#1a1a2e;--color-text-secondary:#5a6578;--color-text-muted:#8e99a8;--color-text-inverse:#fff;--color-error:#e63946;--color-success:#2ecc71;--color-warning:#f4a261;--color-border:#e2e8f0;--color-border-light:#f0f4f8;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-size-xs:.75rem;--font-size-sm:.8125rem;--font-size-base:.9375rem;--font-size-md:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--radius-sm:.375rem;--radius-md:.625rem;--radius-lg:1rem;--radius-xl:1.25rem;--radius-full:50%;--shadow-sm:0 1px 2px #0d1b3e0a;--shadow-md:0 4px 12px #0d1b3e0f;--shadow-lg:0 8px 24px #0d1b3e14;--shadow-xl:0 12px 40px #0d1b3e1f;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s ease;--sidebar-width:280px;--header-height:56px;--chat-max-width:800px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-bg);height:100vh;line-height:1.6;overflow:hidden}#root{height:100vh;overflow:hidden}@media (width<=768px){body{-webkit-overflow-scrolling:touch;height:100dvh}#root{height:100dvh}}a{color:var(--color-secondary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--color-secondary-dark)}button{font-family:var(--font-family);cursor:pointer;font-size:var(--font-size-base);background:0 0;border:none}input,textarea{font-family:var(--font-family);font-size:var(--font-size-base);outline:none}ul,ol{list-style:none}p,li,h1,h2,h3,h4,h5,h6,span{overflow-wrap:break-word;word-wrap:break-word;word-break:break-word}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:.4}50%{opacity:1}}@keyframes typingBounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-4px)}}