@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap";:root{--sidebar-width: 280px;--content-max: 960px;--page-bg: #ffffff;--text: #0b0f14;--muted: #6b7280;--border: #e5e7eb;--shadow: 0 10px 30px rgba(0, 0, 0, .08);--accent: #111111;--send: #ff4d4f;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;font-family:Manrope,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{margin:0;background:var(--page-bg);color:var(--text);overflow-x:hidden;-webkit-text-size-adjust:100%;text-size-adjust:100%}.app,.main,.content{min-height:0}.app{display:flex;min-height:100vh;height:100svh;background:var(--page-bg);overflow-x:hidden}.sidebar{width:var(--sidebar-width);padding:28px 20px;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:18px;background:#fff;position:fixed;top:0;left:0;height:100vh;overflow-y:auto}.sidebar.closed{width:0;padding:0;overflow:hidden;border-right:none}.logo-block{display:flex;justify-content:flex-start}.logo{width:90px;height:auto}.primary-button{background:#000;color:#fff;border:none;padding:12px 16px;border-radius:12px;font-size:14px;cursor:pointer}.section-title{font-size:14px;font-weight:700}.conversation-list{display:flex;flex-direction:column;gap:10px}.conversation-item{display:flex;align-items:center;gap:8px}.conversation-title{flex:1;background:#f9fafb;border:1px solid var(--border);padding:8px 12px;border-radius:10px;text-align:left;cursor:pointer}.conversation-item.active .conversation-title{background:#000;color:#fff;border-color:#000}.conversation-delete{width:32px;height:32px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer}.conversation-empty{color:var(--muted);font-size:13px}.settings{margin-top:auto}.settings summary{cursor:pointer;padding:8px 0;font-weight:600}.settings-label{display:block;font-size:13px;color:var(--muted);margin:10px 0 6px}.model-select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#fff}.logout-button{margin-top:12px;width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer}.main{flex:1;display:flex;flex-direction:column;position:relative;padding:24px 28px 0;min-width:0;margin-left:var(--sidebar-width);height:100vh;overflow:hidden}.mobile-topbar{display:none;align-items:center;gap:10px;padding:6px 0 12px;position:sticky;top:0;background:#fffffff5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:6;transition:padding .2s ease,box-shadow .2s ease}.mobile-logo{width:34px;height:auto;transition:width .2s ease}.mobile-newchat{margin-left:auto;background:#000;color:#fff;border:none;padding:8px 12px;border-radius:10px;font-size:12px}.mobile-settings-toggle{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:#fff;cursor:pointer}.mobile-topbar.compact{padding:2px 0 6px;box-shadow:0 1px 6px #0000000f}.mobile-topbar.compact .mobile-logo{width:70px}.mobile-topbar.compact .mobile-newchat{padding:6px 10px;font-size:11px}.mobile-settings{display:none;border:1px solid var(--border);border-radius:12px;padding:12px;margin-bottom:12px;background:#fff;box-shadow:var(--shadow)}.sidebar-toggle{position:absolute;top:18px;left:18px;border:none;background:#fff;border-radius:10px;width:36px;height:36px;cursor:pointer;box-shadow:0 3px 10px #00000014}.sidebar-hidden .sidebar-toggle{left:18px}.content{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding:20px 0 80px;display:flex;justify-content:center;touch-action:pan-y}.welcome-card{width:min(100%,var(--content-max));border:1px solid var(--border);border-radius:16px;padding:24px 28px;box-shadow:var(--shadow);background:#fff;white-space:pre-wrap;line-height:1.6;font-size:15px}.welcome-text{white-space:pre-wrap}.messages{width:min(100%,var(--content-max));display:flex;flex-direction:column;gap:16px}.message{border:1px solid var(--border);border-radius:16px;padding:16px 18px;display:grid;grid-template-columns:28px 1fr;gap:12px;background:#fff;line-height:1.6;white-space:pre-wrap}.message.user{background:#f3f4f6}.message-icon img{width:24px;height:24px}.message-icon span{font-size:20px}.message-content{font-size:15px}.composer{position:sticky;bottom:0;background:#fff;padding:12px 0 24px;border-top:none;z-index:5}.composer-inner{width:min(100%,var(--content-max));margin:0 auto;display:grid;grid-template-columns:auto auto 1fr auto;gap:12px;align-items:center}.mic-button{width:44px;height:44px;border-radius:50%;border:none;background:#000;color:#fff;cursor:pointer;transform:translateY(5px)}.mic-button.listening{box-shadow:0 0 0 4px #00000026}.plus-button{width:36px;height:36px;border-radius:12px;border:1px solid var(--border);background:#fff;color:#0b0f14;font-size:20px;cursor:pointer}.chat-input{height:36px;border-radius:12px;border:1px solid var(--border);padding:0 14px;font-size:14px}.send-button{width:36px;height:36px;border-radius:12px;border:none;background:var(--send);color:#fff;font-size:18px;cursor:pointer}.hidden-input{display:none}.login-screen{min-height:100vh;background:#0b0f14;display:flex;align-items:center;justify-content:center;color:#fff}.login-card{width:min(90%,420px);text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.login-logo{width:120px;height:auto;filter:brightness(0) invert(1)}.login-form{width:100%;display:flex;flex-direction:column;gap:10px}.login-form label{text-align:left;font-size:13px;color:#c9d1d9}.login-input input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #1f2937;background:#0f1720;color:#fff}.login-form button{padding:12px 14px;border-radius:12px;border:none;background:#fff;color:#0b0f14;font-weight:600;cursor:pointer}.login-error{color:#f87171;font-size:13px}@media (max-width: 960px){.mobile-topbar{display:flex}.sidebar{position:fixed;z-index:30;height:100vh;background:#fff;left:0;top:0;transition:transform .2s ease,width .2s ease;width:min(80vw,320px)}.sidebar.closed{width:min(80vw,320px);transform:translate(-100%);padding:28px 20px;border-right:1px solid var(--border)}.main{padding:20px 14px 0;margin-left:0}.sidebar-toggle{position:fixed;z-index:40}}@media (max-width: 640px){:root{--mobile-header-height: 60px;--mobile-footer-height: 72px}@media (width: 375px) and (height: 812px){:root{--mobile-header-height: 60px;--mobile-footer-height: 72px}}@media (width: 390px) and (height: 844px){:root{--mobile-header-height: 62px;--mobile-footer-height: 74px}}@media (width: 393px) and (height: 852px){:root{--mobile-header-height: 62px;--mobile-footer-height: 74px}}@media (width: 414px) and (height: 896px){:root{--mobile-header-height: 64px;--mobile-footer-height: 76px}}@media (width: 428px) and (height: 926px){:root{--mobile-header-height: 66px;--mobile-footer-height: 78px}}@media (width: 430px) and (height: 932px){:root{--mobile-header-height: 66px;--mobile-footer-height: 78px}}body{overflow-x:hidden;overflow-y:hidden}.main{height:100svh;padding-top:var(--mobile-header-height, 56px)}.mobile-hide{display:none!important}.mobile-topbar{position:fixed;left:0;right:0;top:0;padding:calc(8px + var(--safe-top)) 12px 8px;z-index:50;height:calc(var(--mobile-header-height, 56px) + var(--safe-top))}.mobile-logo{width:102px}.mobile-section-title{margin-top:12px;font-size:13px;font-weight:700}.mobile-conversation-list{display:flex;flex-direction:column;gap:10px;margin-top:8px}.mobile-settings{display:block}:root{--content-max: 100%}.sidebar{padding:20px 16px}.logo{width:76px}.primary-button{padding:12px 14px;font-size:13px}.conversation-title{font-size:13px}.main{padding:18px 12px 0}.content{height:calc(100svh - var(--mobile-header-height, 56px) - var(--mobile-footer-height, 64px) - var(--safe-top));padding:calc(12px + var(--mobile-header-height, 56px)) 0 calc(40px + var(--mobile-footer-height, 64px) + var(--safe-bottom));overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.welcome-card{padding:18px;font-size:14px}.messages{gap:12px;width:100%}.message{width:100%;margin:0;border-radius:14px;padding:12px 14px;grid-template-columns:24px 1fr}.message-content{font-size:14px;word-break:break-word;overflow-wrap:anywhere}.composer-inner{grid-template-columns:auto 1fr auto;gap:10px}.plus-button{display:none}.chat-input{height:44px;font-size:15px}.mic-button{width:44px;height:44px;transform:translateY(3px)}.send-button{width:44px;height:44px;font-size:18px}.composer{position:fixed!important;left:0;right:0;bottom:0;padding:10px 12px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border);height:var(--mobile-footer-height, 64px)}.composer-inner{width:100%}.sidebar-toggle{top:12px;left:12px;width:40px;height:40px}}