@import"https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap";:root{font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;min-width:320px}#root{width:100%;height:100%}:root[data-theme=dark]{--primary: #c9a961;--primary-hover: #b89850;--primary-light: rgba(201, 169, 97, .12);--primary-glow: rgba(201, 169, 97, .25);--bg-main: #0a0d14;--bg-card: #121620;--bg-elevated: #1a1f2e;--bg-sidebar: linear-gradient(165deg, #0d1117 0%, #161b26 50%, #0f1419 100%);--border: rgba(255, 255, 255, .06);--border-subtle: rgba(255, 255, 255, .03);--border-hover: rgba(201, 169, 97, .2);--text-primary: #e6e8f0;--text-secondary: #9195a3;--text-tertiary: #6b6e7c;--text-accent: #c9a961;--text-inverse: #0a0d14;--success: #4ade80;--success-light: rgba(74, 222, 128, .12);--danger: #f87171;--danger-light: rgba(248, 113, 113, .12);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 12px 32px rgba(0, 0, 0, .5);--toggle-track-bg: #252b3d;--toggle-track-border: rgba(255, 255, 255, .1);--toggle-knob-bg: #c9a961;--toggle-knob-shadow: 0 1px 4px rgba(0, 0, 0, .5), 0 0 10px rgba(201, 169, 97, .35);--history-active-bg: rgba(201, 169, 97, .1);--history-hover-bg: rgba(255, 255, 255, .04);--history-border-active: rgba(201, 169, 97, .3)}:root[data-theme=light]{--primary: #b8860b;--primary-hover: #9a7209;--primary-light: rgba(184, 134, 11, .08);--primary-glow: rgba(184, 134, 11, .15);--bg-main: #fafbfc;--bg-card: #ffffff;--bg-elevated: #f5f6f8;--bg-sidebar: linear-gradient(165deg, #ffffff 0%, #f8f9fa 50%, #ffffff 100%);--border: rgba(0, 0, 0, .08);--border-subtle: rgba(0, 0, 0, .04);--border-hover: rgba(184, 134, 11, .25);--text-primary: #1a1d2e;--text-secondary: #5f6470;--text-tertiary: #878a99;--text-accent: #b8860b;--text-inverse: #ffffff;--success: #22c55e;--success-light: rgba(34, 197, 94, .1);--danger: #ef4444;--danger-light: rgba(239, 68, 68, .1);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .12);--toggle-track-bg: #e2e5ec;--toggle-track-border: rgba(0, 0, 0, .1);--toggle-knob-bg: #ffffff;--toggle-knob-shadow: 0 1px 4px rgba(0, 0, 0, .18);--history-active-bg: rgba(184, 134, 11, .08);--history-hover-bg: rgba(0, 0, 0, .03);--history-border-active: rgba(184, 134, 11, .25)}:root{--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--font-display: "DM Serif Display", Georgia, serif;--font-body: "DM Sans", -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-main);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}.dashboard{position:fixed;inset:0;display:flex;background:var(--bg-main);padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}.sidebar{width:300px;flex-shrink:0;background:var(--bg-sidebar);color:var(--text-primary);display:flex;flex-direction:column;padding:22px 18px;transition:transform var(--transition-slow);z-index:200;position:relative;border-right:1px solid var(--border);box-shadow:var(--shadow-md);overflow-y:auto;overflow-x:hidden;gap:16px}.sidebar:before{content:"";position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(180deg,transparent,var(--primary),transparent);opacity:.15;pointer-events:none}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}.sidebar-header{display:flex;justify-content:space-between;align-items:center;flex-shrink:0}.sidebar-brand{display:flex;align-items:center;gap:12px}.brand-logo{width:34px;height:34px;filter:drop-shadow(0 0 16px rgba(201,169,97,.4));animation:gentleGlow 4s ease-in-out infinite}@keyframes gentleGlow{0%,to{filter:drop-shadow(0 0 12px rgba(201,169,97,.3))}50%{filter:drop-shadow(0 0 20px 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var(--transition-fast);box-shadow:0 4px 12px var(--primary-glow);flex-shrink:0}.new-chat-btn.top:hover{transform:translateY(-1px);box-shadow:0 6px 18px var(--primary-glow)}.user-profile-card{display:flex;align-items:center;gap:12px;background:var(--bg-elevated);padding:14px 16px;border-radius:var(--radius-md);border:1px solid var(--border);transition:all var(--transition-fast);flex-shrink:0}.user-profile-card:hover{border-color:var(--border-hover);box-shadow:var(--shadow-sm)}.avatar{width:42px;height:42px;background:linear-gradient(135deg,var(--primary),#f4e4b4);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.05rem;overflow:hidden;flex-shrink:0;box-shadow:0 0 0 3px var(--primary-light)}.avatar img{width:100%;height:100%;object-fit:cover}.user-info{flex:1;min-width:0}.user-info h4{font-size:.925rem;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text-primary)}.plan-badge{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;padding:4px 10px;border-radius:var(--radius-full);font-weight:600;letter-spacing:.3px}.plan-badge.free{background:var(--primary-light);color:var(--primary)}.plan-badge.pro{background:linear-gradient(135deg,var(--primary),#b89850);color:#fff;box-shadow:0 2px 8px var(--primary-glow)}.logout-btn{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:1.15rem;padding:8px;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.logout-btn:hover{color:var(--danger);background:var(--danger-light)}.login-btn{width:100%;background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border);padding:14px 18px;border-radius:var(--radius-md);font-weight:600;font-size:.9rem;font-family:var(--font-body);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:all var(--transition-fast);box-shadow:var(--shadow-sm);flex-shrink:0}.login-btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);border-color:var(--border-hover)}.login-btn img{width:18px;height:18px}.sidebar-section{display:flex;flex-direction:column;flex-shrink:0}.section-label{display:flex;align-items:center;gap:7px;font-size:.68rem;color:var(--text-tertiary);margin-bottom:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase}.samples-list{display:flex;flex-direction:column;gap:8px}.sample-btn{width:100%;text-align:left;background:transparent;border:1px solid var(--border-subtle);color:var(--text-secondary);padding:13px 14px;border-radius:var(--radius-md);font-size:.825rem;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-fast);line-height:1.55;display:flex;align-items:flex-start;gap:12px}.sample-btn:hover{background:var(--bg-elevated);border-color:var(--border-hover);color:var(--text-primary);transform:translate(4px);box-shadow:var(--shadow-sm)}.sample-number{width:24px;height:24px;background:var(--primary-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0;color:var(--primary)}.sample-text{flex:1}.history-section{border-top:1px solid var(--border);padding-top:14px}.history-toggle{background:none;border:none;cursor:pointer;width:100%;display:flex;align-items:center;justify-content:space-between;font-size:.68rem;color:var(--text-tertiary);font-weight:700;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:0;padding:0;font-family:var(--font-body);transition:color var(--transition-fast)}.history-toggle:hover{color:var(--text-secondary)}.history-toggle svg{font-size:.85rem;flex-shrink:0}.section-label-inner{display:flex;align-items:center;gap:7px}.history-list{margin-top:10px;display:flex;flex-direction:column;gap:2px;max-height:280px;overflow-y:auto;overflow-x:hidden;padding-right:2px}.history-list::-webkit-scrollbar{width:3px}.history-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}.history-group{margin-bottom:10px}.history-group-label{font-size:.65rem;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:var(--text-tertiary);padding:0 8px;margin-bottom:4px}.history-item{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:1px solid transparent;position:relative;group:history-item}.history-item:hover{background:var(--history-hover-bg);border-color:var(--border-subtle)}.history-item.active{background:var(--history-active-bg);border-color:var(--history-border-active)}.history-item.active .history-title{color:var(--text-accent)}.history-icon{font-size:.85rem;color:var(--text-tertiary);flex-shrink:0}.history-item.active .history-icon{color:var(--primary)}.history-title{flex:1;font-size:.825rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4;min-width:0}.history-delete-btn{opacity:0;background:none;border:none;cursor:pointer;color:var(--text-tertiary);font-size:.8rem;padding:3px 4px;border-radius:5px;transition:all var(--transition-fast);flex-shrink:0;display:flex;align-items:center}.history-item:hover .history-delete-btn{opacity:1}.history-delete-btn:hover{color:var(--danger);background:var(--danger-light)}.sidebar-section+.sidebar-section{border-top:1px solid var(--border);padding-top:14px}.sidebar-overlay{display:none;position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:150}.main-content{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg-card);overflow:hidden}.top-bar{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--bg-card);z-index:100;box-shadow:var(--shadow-sm)}.top-bar-left{display:flex;align-items:center;gap:14px}.top-bar-right{display:flex;align-items:center;gap:10px}.hamburger-btn{display:none;background:var(--bg-elevated);border:1px solid var(--border);font-size:1.2rem;cursor:pointer;color:var(--text-primary);padding:10px;border-radius:var(--radius-sm);transition:all var(--transition-fast);align-items:center;justify-content:center}.hamburger-btn:hover{background:var(--bg-main);border-color:var(--border-hover)}.app-title{font-weight:600;font-size:1.1rem;display:flex;align-items:center;gap:9px;color:var(--text-primary)}.title-icon{font-size:1.2rem}.title-text{display:inline}.session-chip{display:flex;align-items:center;gap:6px;font-size:.75rem;color:var(--primary);background:var(--primary-light);border:1px solid var(--border-hover);padding:5px 12px;border-radius:var(--radius-full);font-weight:500}.session-chip svg{font-size:.8rem}.theme-toggle-btn{background:none;border:none;padding:0;cursor:pointer;outline:none}.theme-toggle-btn:focus-visible .theme-track{box-shadow:0 0 0 3px var(--primary-light)}.theme-track{position:relative;width:58px;height:28px;background:var(--toggle-track-bg);border:1.5px solid var(--toggle-track-border);border-radius:var(--radius-full);transition:background .35s ease,border-color .35s ease;display:flex;align-items:center;padding:0 4px}.theme-toggle-btn:hover .theme-track{border-color:var(--border-hover)}.track-icons{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;padding:0 5px;pointer-events:none;-webkit-user-select:none;user-select:none}.track-icon{font-size:.68rem;line-height:1;transition:opacity .3s ease,transform .3s ease}.track-icon-sun{opacity:1;transform:scale(1)}.track-icon-moon{opacity:.35;transform:scale(.8)}[data-theme=dark] .track-icon-sun{opacity:.3;transform:scale(.8)}[data-theme=dark] .track-icon-moon{opacity:1;transform:scale(1)}.theme-knob{width:20px;height:20px;border-radius:50%;background:var(--toggle-knob-bg);box-shadow:var(--toggle-knob-shadow);transition:transform .35s cubic-bezier(.34,1.56,.64,1),box-shadow .3s ease;position:relative;z-index:1;flex-shrink:0}[data-theme=light] .theme-knob{transform:translate(0)}[data-theme=dark] .theme-knob{transform:translate(28px)}.export-btn{background:var(--bg-elevated);border:1px solid var(--border);padding:10px 16px;border-radius:var(--radius-sm);font-size:.85rem;font-family:var(--font-body);cursor:pointer;display:flex;align-items:center;gap:7px;font-weight:500;color:var(--text-secondary);transition:all var(--transition-fast)}.export-btn:hover{background:var(--primary-light);color:var(--primary);border-color:var(--border-hover)}.chat-container{flex:1;min-height:0;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:32px;display:flex;flex-direction:column;gap:24px;scroll-behavior:smooth}.chat-container::-webkit-scrollbar{width:6px}.chat-container::-webkit-scrollbar-track{background:transparent}.chat-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}.chat-container::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.scroll-top-wrap{flex-shrink:0;display:flex;justify-content:center;align-items:center;padding:7px 0 3px;background:var(--bg-card);border-top:1px solid var(--border);animation:pillIn .2s ease both}@keyframes pillIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.scroll-to-top-btn{display:inline-flex;align-items:center;gap:5px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-full);padding:5px 16px 5px 12px;font-size:.73rem;font-weight:600;font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;letter-spacing:.4px;transition:all var(--transition-fast)}.scroll-to-top-btn svg{font-size:.78rem;flex-shrink:0}.scroll-to-top-btn:hover{background:var(--primary-light);border-color:var(--border-hover);color:var(--primary);transform:translateY(-1px);box-shadow:0 3px 12px var(--primary-glow)}.empty-state{text-align:center;margin:auto;max-width:500px;padding:48px 24px}.empty-icon{margin-bottom:24px;animation:float 3.5s ease-in-out infinite}.scales-icon{width:80px;height:80px;margin:0 auto}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.empty-state h2{color:var(--text-primary);font-family:var(--font-display);font-size:1.85rem;font-weight:400;margin-bottom:12px}.empty-state p{color:var(--text-secondary);font-size:1rem;line-height:1.7;margin-bottom:32px}.empty-features{display:flex;justify-content:center;gap:30px;flex-wrap:wrap}.feature{display:flex;align-items:center;gap:8px;color:var(--text-secondary);font-size:.875rem;font-weight:500}.feature svg{color:var(--primary);font-size:1rem}.chat-row{display:flex;width:100%;animation:slideIn .35s cubic-bezier(.16,1,.3,1)}@keyframes slideIn{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.chat-row.deleting{animation:slideOut .3s ease forwards}@keyframes slideOut{to{opacity:0;transform:translate(-20px);height:0;margin:0;padding:0}}.chat-row.user{justify-content:flex-end}.chat-row.ai{justify-content:flex-start}.chat-bubble{max-width:72%;border-radius:var(--radius-lg);line-height:1.75;font-size:.95rem;position:relative;min-width:0;word-break:break-word}.bubble-content{padding:18px 22px}.bubble-content p{margin-bottom:12px}.bubble-content p:last-child{margin-bottom:0}.bubble-content ul,.bubble-content ol{margin:12px 0;padding-left:24px}.bubble-content li{margin-bottom:7px}.bubble-content code{background:var(--bg-elevated);padding:2px 7px;border-radius:5px;font-size:.875em;font-family:Monaco,monospace;border:1px solid var(--border)}.bubble-content pre{background:var(--bg-main);color:var(--text-primary);padding:16px;border-radius:var(--radius-sm);overflow-x:auto;margin:12px 0;border:1px solid var(--border)}.bubble-content pre code{background:none;padding:0;border:none}.chat-row.ai .chat-bubble{background:var(--bg-elevated);border:1px solid var(--border);border-bottom-left-radius:6px;color:var(--text-primary);box-shadow:var(--shadow-sm)}.chat-row.user .chat-bubble{background:linear-gradient(135deg,var(--primary),#b89850);color:#fff;border-bottom-right-radius:6px;box-shadow:0 4px 14px var(--primary-glow)}.chat-row.user .bubble-content code{background:#ffffff26;border-color:#fff3}.edit-mode{padding:12px}.edit-textarea{width:100%;min-height:80px;max-height:300px;padding:12px 16px;border:2px solid var(--primary);border-radius:var(--radius-md);font-size:.95rem;font-family:var(--font-body);line-height:1.6;resize:none;background:var(--bg-card);color:var(--text-primary);transition:all var(--transition-fast);overflow-y:auto}.edit-textarea:focus{outline:none;box-shadow:0 0 0 4px var(--primary-light)}.edit-actions{display:flex;gap:9px;margin-top:12px;justify-content:flex-end}.save-edit-btn{background:var(--primary)!important;color:#fff!important;border-color:var(--primary)!important}.save-edit-btn:hover{background:var(--primary-hover)!important}.cancel-edit-btn:hover{background:var(--danger-light)!important;border-color:var(--danger)!important;color:var(--danger)!important}.bubble-actions{display:flex;gap:8px;padding:8px 16px 12px;opacity:0;transition:opacity var(--transition-fast);flex-wrap:wrap}.chat-bubble:hover .bubble-actions{opacity:1}.action-btn{display:inline-flex;align-items:center;gap:5px;background:transparent;border:1px solid var(--border);padding:6px 12px;border-radius:var(--radius-sm);font-size:.775rem;font-family:var(--font-body);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);font-weight:500}.action-btn:hover{background:var(--bg-card);color:var(--text-primary);border-color:var(--border-hover)}.chat-row.user .action-btn{border-color:#ffffff40;color:#ffffffd9}.chat-row.user .action-btn:hover{background:#ffffff1f;color:#fff;border-color:#fff6}.edit-btn:hover{background:var(--primary-light)!important;border-color:var(--primary)!important;color:var(--primary)!important}.chat-row.user .edit-btn:hover{background:#ffffff2e!important;border-color:#ffffff80!important;color:#fff!important}.copy-btn.copied{color:var(--success);border-color:var(--success)}.delete-btn:hover{color:var(--danger);border-color:var(--danger);background:var(--danger-light)}.chat-row.user .delete-btn:hover{background:#f8717133;border-color:#f8717180}.loading-bubble{display:flex;align-items:center;gap:16px;padding:20px 22px!important}.typing-indicator{display:flex;gap:5px}.typing-indicator span{width:8px;height:8px;background:var(--primary);border-radius:50%;animation:bounce 1.4s infinite ease-in-out both}.typing-indicator span:nth-child(1){animation-delay:-.32s}.typing-indicator span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.loading-text{color:var(--text-secondary);font-style:italic;font-size:.9rem}.input-area{flex-shrink:0;padding:16px 22px 24px;background:var(--bg-card);border-top:1px solid var(--border)}.input-container{max-width:900px;margin:0 auto}.input-pill{display:flex;align-items:flex-end;background:var(--bg-elevated);border-radius:var(--radius-lg);padding:9px 9px 9px 20px;border:2px solid var(--border);transition:all var(--transition-fast);gap:12px;box-shadow:var(--shadow-sm)}.input-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-light)}.chat-input{flex:1;min-width:0;border:none;background:transparent;padding:9px 0;outline:none;font-size:max(16px,1rem);color:var(--text-primary);font-family:var(--font-body);line-height:1.6;resize:none;max-height:200px;overflow-y:auto}.chat-input::placeholder{color:var(--text-tertiary)}.chat-input::-webkit-scrollbar{width:4px}.chat-input::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}.send-btn{width:44px!important;height:44px!important;flex-shrink:0!important;background:linear-gradient(135deg,var(--primary),#b89850);color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast);box-shadow:0 2px 10px var(--primary-glow)}.send-btn:hover:not(.disabled){transform:scale(1.08);box-shadow:0 4px 16px var(--primary-glow)}.send-btn svg{width:18px!important;height:18px!important;display:block!important;flex-shrink:0!important}.send-btn.disabled{background:var(--bg-main);color:var(--text-tertiary);cursor:not-allowed;box-shadow:none}.input-hint{text-align:center;font-size:.775rem;color:var(--text-tertiary);margin-top:12px}.paywall-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:9999;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.paywall-modal{background:var(--bg-card);padding:40px;border-radius:var(--radius-xl);max-width:560px;width:100%;text-align:center;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:24px;position:relative;animation:slideUp .4s ease;border:1px solid var(--border)}@keyframes 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spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{position:fixed;top:env(safe-area-inset-top,0px);bottom:env(safe-area-inset-bottom,0px);left:env(safe-area-inset-left,0px);width:290px;transform:translate(-100%);box-shadow:none;z-index:200;height:auto;max-height:none}.sidebar.open{transform:translate(0);box-shadow:20px 0 50px #0009}.sidebar-overlay{display:block}.mobile-close-btn,.hamburger-btn{display:flex}.top-bar{padding:12px 16px}.app-title{font-size:1rem}.title-text,.session-chip,.export-btn span{display:none}.export-btn{padding:10px}.chat-container{padding:18px 14px;gap:18px}.chat-bubble{max-width:88%}.bubble-content{padding:14px 18px}.bubble-actions{opacity:1;padding:7px 12px 10px}.action-btn span{display:none}.action-btn{padding:8px 10px}.input-area{padding:10px 12px 14px}.input-pill{padding:7px 7px 7px 14px}.send-btn{width:42px!important;height:42px!important}.input-hint{font-size:.72rem;margin-top:9px}.empty-state{padding:28px 14px}.empty-state h2{font-size:1.5rem}.empty-features{flex-direction:column;gap:16px}.paywall-modal{padding:28px 18px;margin:10px;max-height:90vh;overflow-y:auto}.pricing-tier-grid{grid-template-columns:1fr}.pricing-card{text-align:center}.pricing-icon{margin:0 auto 8px}.edit-textarea{font-size:.9rem}.edit-actions{flex-direction:column}.edit-actions .action-btn{width:100%;justify-content:center}.history-list{max-height:200px}}@media(max-width:420px){.sidebar{width:100%}.chat-bubble{max-width:94%}.bubble-content{padding:12px 14px;font-size:.9rem}.chat-bubble table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}}.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:0}.history-header .history-toggle{flex:1;margin-bottom:0}.clear-all-btn{background:none;border:none;cursor:pointer;color:var(--text-tertiary);font-size:.82rem;padding:5px 6px;border-radius:var(--radius-sm);display:flex;align-items:center;transition:all var(--transition-fast);flex-shrink:0}.clear-all-btn:hover{color:var(--danger);background:var(--danger-light)}.history-empty{font-size:.8rem;color:var(--text-tertiary);padding:10px 8px 4px;font-style:italic}.confirm-overlay{position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10000;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s ease}.confirm-modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;max-width:360px;width:100%;text-align:center;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;align-items:center;gap:16px;animation:slideUp .25s ease}.confirm-icon{font-size:2rem;color:var(--danger)}.confirm-modal p{font-size:.975rem;color:var(--text-secondary);line-height:1.6;margin:0}.confirm-actions{display:flex;gap:12px;width:100%;margin-top:4px}.confirm-cancel-btn{flex:1;background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);padding:12px;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-fast)}.confirm-cancel-btn:hover{background:var(--bg-main);border-color:var(--border-hover);color:var(--text-primary)}.confirm-danger-btn{flex:1;background:var(--danger);border:none;color:#fff;padding:12px;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;font-family:var(--font-body);cursor:pointer;transition:all var(--transition-fast)}.confirm-danger-btn:hover{background:#e05252;transform:translateY(-1px);box-shadow:0 4px 12px #f8717159}@media(max-width:768px){.confirm-modal{padding:24px 20px}.confirm-actions{flex-direction:column}}