:root{--assistant-accent: #2563eb;--assistant-accent-hover: #1d4ed8;--assistant-caster: #2563eb;--assistant-friend: #ea580c;--assistant-scholar: #7c3aed;--assistant-entertainer: #db2777;--assistant-surface: #f8fafc;--assistant-border: #e2e8f0;--assistant-text: #0f172a;--assistant-text-muted: #475569;--assistant-error: #dc2626;--assistant-radius: 10px}[data-mode=dark]{--assistant-accent: #3b82f6;--assistant-accent-hover: #60a5fa;--assistant-caster: #3b82f6;--assistant-friend: #f97316;--assistant-scholar: #8b5cf6;--assistant-entertainer: #ec4899;--assistant-surface: #1e293b;--assistant-border: #334155;--assistant-text: #f1f5f9;--assistant-text-muted: #94a3b8;--assistant-error: #ef4444}.assistant-container{position:relative;margin-top:16px;padding-top:16px;border-top:1px solid var(--assistant-border);display:flex;flex-direction:column;gap:12px;animation:assistant-slide-in .3s ease-out;padding-bottom:60px}@keyframes assistant-slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.assistant-mode-selector{position:absolute;bottom:8px;left:8px;z-index:10}.assistant-mode-trigger{display:flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border-radius:50%;border:none;background:var(--assistant-caster);color:#fff;cursor:pointer;transition:all .2s;box-shadow:0 1px 4px #3b82f64d;-webkit-tap-highlight-color:transparent}.assistant-mode-trigger:hover{transform:translateY(-1px);box-shadow:0 2px 8px #3b82f666}.assistant-mode-trigger:active{transform:translateY(0)}.mode-trigger-icon{width:16px;height:16px}.mode-trigger-label{font-weight:600}.assistant-mode-menu{position:absolute;bottom:100%;left:0;margin-bottom:8px;background:var(--bg, #ffffff);border:1px solid var(--assistant-border);border-radius:var(--assistant-radius);box-shadow:0 4px 16px #0000001a;padding:8px;min-width:240px;animation:assistant-menu-slide-up .2s ease-out}[data-mode=dark] .assistant-mode-menu{box-shadow:0 4px 16px #0006}@keyframes assistant-menu-slide-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.assistant-mode-option{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border:none;background:transparent;border-radius:8px;cursor:pointer;transition:all .15s;text-align:left;font-family:inherit}.assistant-mode-option:hover{background:var(--assistant-surface)}.assistant-mode-option--active{background:var(--assistant-accent);color:#fff}.assistant-mode-option[data-mode=friend].assistant-mode-option--active{background:var(--assistant-friend)}.assistant-mode-option[data-mode=scholar].assistant-mode-option--active{background:var(--assistant-scholar)}.assistant-mode-option[data-mode=entertainer].assistant-mode-option--active{background:var(--assistant-entertainer)}.mode-icon{font-size:20px;flex-shrink:0}.mode-name{font-weight:600;font-size:14px;flex:1;white-space:nowrap}.mode-desc{font-size:11px;opacity:.7;white-space:nowrap}.assistant-mode-option--active .mode-desc{opacity:.9}.assistant-suggestions{display:flex;flex-wrap:nowrap;gap:8px;overflow-x:auto;overflow-y:hidden;scroll-behavior:smooth;-webkit-overflow-scrolling:touch;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none}.assistant-suggestions::-webkit-scrollbar{display:none}.assistant-suggestion-chip{padding:10px 16px;border-radius:var(--assistant-radius);border:1px solid var(--assistant-border);background:var(--bg, #ffffff);color:var(--assistant-text);font-size:14px;line-height:1.4;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);-webkit-tap-highlight-color:transparent;font-family:inherit;text-align:left;min-height:44px;display:flex;align-items:center;white-space:nowrap;flex-shrink:0;box-shadow:0 1px 3px #0000000d}.assistant-suggestion-chip:hover{background:var(--assistant-accent);color:#fff;border-color:var(--assistant-accent);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb40}.assistant-suggestion-chip:active{transform:translateY(0)}.assistant-suggestions-empty,.assistant-loading,.assistant-error{padding:12px;text-align:center;font-size:14px;color:var(--assistant-text-muted)}.assistant-error{color:var(--assistant-error);background:#ef44441a;border-radius:var(--assistant-radius)}.assistant-error-with-retry{display:flex;flex-direction:column;gap:8px;align-items:center}.assistant-retry-btn{padding:8px 16px;border-radius:var(--assistant-radius);border:1px solid var(--assistant-border);background:var(--bg, #ffffff);color:var(--assistant-text);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;font-family:inherit}.assistant-retry-btn:hover{background:var(--assistant-accent);color:#fff;border-color:var(--assistant-accent)}.assistant-answer-drawer{margin-top:8px;padding:16px;background:var(--assistant-surface);border:1px solid var(--assistant-border);border-radius:var(--assistant-radius);animation:assistant-drawer-slide .3s ease-out}@keyframes assistant-drawer-slide{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.assistant-answer-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px}.assistant-answer-question{flex:1;font-size:14px;line-height:1.5;color:var(--assistant-text);border-left:3px solid var(--assistant-accent);padding-left:12px}.assistant-answer-question strong{font-weight:700;color:var(--assistant-accent)}.assistant-answer-close{width:28px;height:28px;border-radius:50%;border:none;background:transparent;color:var(--assistant-text-muted);font-size:24px;line-height:1;cursor:pointer;transition:all .15s;flex-shrink:0;display:flex;align-items:center;justify-content:center}.assistant-answer-close:hover{background:var(--assistant-border);color:var(--assistant-text)}.assistant-answer-body{margin-bottom:16px}.assistant-answer-text{font-size:15px;line-height:1.6;color:var(--assistant-text);white-space:pre-wrap}.assistant-audio-control{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg, #ffffff);border:1px solid var(--assistant-border);border-radius:999px}.assistant-audio-btn{width:32px;height:32px;border-radius:50%;border:none;background:var(--assistant-accent);color:#fff;cursor:pointer;transition:all .15s;flex-shrink:0;display:flex;align-items:center;justify-content:center}.assistant-audio-btn:hover{background:var(--assistant-accent-hover);transform:scale(1.05)}.assistant-audio-btn:active{transform:scale(.95)}.assistant-audio-wave{flex:1;display:flex;align-items:center;justify-content:center;gap:3px;height:24px}.assistant-audio-wave-bar{width:3px;height:8px;background:var(--assistant-border);border-radius:999px;transition:all .3s}.assistant-audio-wave--playing .assistant-audio-wave-bar{background:var(--assistant-accent);animation:assistant-wave-pulse 1.2s ease-in-out infinite}.assistant-audio-wave--playing .assistant-audio-wave-bar:nth-child(1){animation-delay:0s}.assistant-audio-wave--playing .assistant-audio-wave-bar:nth-child(2){animation-delay:.15s}.assistant-audio-wave--playing .assistant-audio-wave-bar:nth-child(3){animation-delay:.3s}.assistant-audio-wave--playing .assistant-audio-wave-bar:nth-child(4){animation-delay:.45s}.assistant-audio-wave--playing .assistant-audio-wave-bar:nth-child(5){animation-delay:.6s}@keyframes assistant-wave-pulse{0%,to{height:8px}50%{height:20px}}@media(max-width:640px){.assistant-container{gap:10px}.assistant-suggestion-chip{font-size:13px;padding:8px 14px;min-height:40px}.assistant-answer-drawer{padding:12px}.assistant-answer-text{font-size:14px}.assistant-suggestions{gap:6px}}@media(prefers-reduced-motion:reduce){.assistant-container,.assistant-answer-drawer{animation:none!important}.assistant-suggestion-chip:hover{transform:none!important}.assistant-audio-wave-bar{animation:none!important;height:12px!important}.assistant-audio-btn:hover{transform:none!important}}.assistant-loading{position:relative}.assistant-loading:after{content:"";display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--assistant-text-muted);animation:assistant-loading-pulse 1.4s ease-in-out infinite;margin-left:8px}@keyframes assistant-loading-pulse{0%,to{opacity:.4}50%{opacity:1}}.assistant-action-plan{margin-top:16px;padding:16px;background:linear-gradient(135deg,#fbbf241a,#f59e0b1a);border:1px solid rgba(251,191,36,.3);border-radius:var(--assistant-radius);animation:assistant-slide-in .3s ease-out}[data-mode=dark] .assistant-action-plan{background:linear-gradient(135deg,#fbbf2426,#f59e0b26);border-color:#fbbf2466}.action-plan-header{display:flex;align-items:center;gap:8px;margin-bottom:12px}.action-plan-icon{font-size:24px}.action-plan-title{font-size:18px;font-weight:700;color:var(--assistant-text);margin:0}.action-plan-summary{font-size:15px;font-weight:600;color:#d97706;margin-bottom:16px;padding:8px 12px;background:#ffffff80;border-radius:8px}[data-mode=dark] .action-plan-summary{color:#fbbf24;background:#0003}.action-plan-steps,.action-plan-tools{margin-top:12px}.action-plan-steps h4,.action-plan-tools h4{font-size:14px;font-weight:600;color:var(--assistant-text);margin:0 0 8px}.action-plan-steps ol,.action-plan-tools ul{margin:0;padding-left:20px;list-style:decimal}.action-plan-tools ul{list-style:disc}.action-plan-steps li,.action-plan-tools li{font-size:14px;line-height:1.6;color:var(--assistant-text);margin:6px 0}.action-plan-steps li::marker{color:#d97706;font-weight:700}[data-mode=dark] .action-plan-steps li::marker{color:#fbbf24}