:root{--pcw-bg: #f6f8fb;--pcw-card: #ffffff;--pcw-card-muted: #f8fafc;--pcw-border: #e4e9f2;--pcw-border-strong: #cdd6e5;--pcw-text: #1f2b3a;--pcw-text-muted: #6b7280;--pcw-heading: #0f172a;--pcw-primary: #0099d2;--pcw-primary-hover: #007fb3;--pcw-primary-light: #e3f5fb;--pcw-success: #22c55e;--pcw-error: #ef4444;--pcw-error-light: #fee2e2;--pcw-shadow-sm: 0 10px 30px rgba(15, 23, 42, .08);--pcw-shadow-md: 0 20px 45px rgba(15, 23, 42, .12);--pcw-transition: all .25s ease;font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}.pcw-section{width:100%;display:flex;justify-content:center;background:var(--pcw-bg);padding:clamp(1rem,4vw,3rem);color:var(--pcw-text)}.pcw-wrapper{width:100%;max-width:920px;background:var(--pcw-card);border:1px solid var(--pcw-border);border-radius:28px;padding:clamp(1.5rem,2vw,2.75rem);box-shadow:var(--pcw-shadow-md);position:relative;overflow:hidden}.pcw-wrapper:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at top right,rgba(0,153,210,.1),transparent 45%);pointer-events:none}.pcw-heading{position:relative;margin-bottom:1.25rem;display:flex;flex-direction:column;gap:.35rem}.pcw-heading h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:600;color:var(--pcw-heading);margin:0}.pcw-heading p{color:var(--pcw-text-muted);margin:0;font-size:1rem}.pcw-meta{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:1.5rem}.pcw-status{display:inline-flex;align-items:center;gap:.45rem;background:var(--pcw-primary-light);color:var(--pcw-primary);padding:.4rem .85rem;border-radius:999px;font-weight:500;font-size:.9rem}.pcw-status-dot{width:8px;height:8px;border-radius:50%;background:var(--pcw-primary);box-shadow:0 0 0 4px #0099d226}.pcw-shortcuts{color:var(--pcw-text-muted);font-size:.9rem}.pcw-chatbox{position:relative;background:var(--pcw-card-muted);border:1px solid var(--pcw-border);border-radius:22px;padding:1.5rem;display:flex;flex-direction:column;gap:1.25rem}.pcw-messages{max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:.9rem;padding-right:.5rem;scroll-behavior:smooth}.pcw-messages::-webkit-scrollbar{width:8px}.pcw-messages::-webkit-scrollbar-track{background:#0f172a0d;border-radius:8px}.pcw-messages::-webkit-scrollbar-thumb{background:#0099d24d;border-radius:8px}.pcw-message{border-radius:18px;padding:1rem 1.25rem;border:1px solid transparent;font-size:.95rem;line-height:1.6;box-shadow:var(--pcw-shadow-sm);background:var(--pcw-card);animation:pcw-fade-in .35s ease}@keyframes pcw-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.pcw-message--assistant{border-color:var(--pcw-border)}.pcw-message--assistant:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;background:linear-gradient(120deg,rgba(0,153,210,.07),transparent 70%);z-index:-1}.pcw-message--user{background:var(--pcw-primary-light);border-color:#0099d240;align-self:flex-end}.pcw-message__content p{margin:0 0 .6rem}.pcw-message__content p:last-child{margin-bottom:0}.pcw-message__content strong{color:var(--pcw-heading)}.pcw-message__content em{font-style:normal;color:var(--pcw-primary)}.pcw-message__content code{background:#eef2ff;padding:.1rem .35rem;border-radius:6px;font-size:.9em}.pcw-typing{display:inline-flex;gap:.3rem;margin-top:.4rem}.pcw-typing span{width:7px;height:7px;border-radius:50%;background:var(--pcw-primary);animation:pcw-bounce 1.2s infinite ease-in-out}.pcw-typing span:nth-child(2){animation-delay:.2s}.pcw-typing span:nth-child(3){animation-delay:.4s}@keyframes pcw-bounce{0%,60%,to{transform:translateY(0) scale(.7);opacity:.5}30%{transform:translateY(-6px) scale(1);opacity:1}}.pcw-suggestions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.85rem}.pcw-suggestion-btn{border:1px solid var(--pcw-border);background:var(--pcw-card);color:var(--pcw-text);padding:.65rem 1.1rem;border-radius:999px;font-size:.9rem;transition:var(--pcw-transition);box-shadow:0 4px 16px #0f172a14}.pcw-suggestion-btn:hover{border-color:var(--pcw-primary);color:var(--pcw-primary);transform:translateY(-2px)}.pcw-input-row{display:flex;align-items:center;gap:.9rem;background:var(--pcw-card);border:1px solid var(--pcw-border);border-radius:20px;padding:.9rem 1.1rem;transition:var(--pcw-transition)}.pcw-input-row:focus-within{border-color:var(--pcw-primary);box-shadow:0 0 0 4px #0099d21a}.pcw-input-row textarea{flex:1;border:none;background:transparent;resize:none;color:var(--pcw-heading);font-size:.97rem;line-height:1.5;font-family:inherit}.pcw-input-row textarea::placeholder{color:var(--pcw-text-muted)}.pcw-input-row textarea:focus{outline:none}.pcw-send-btn{width:46px;height:46px;border-radius:16px;border:none;background:var(--pcw-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 25px #0099d259;transition:var(--pcw-transition)}.pcw-send-btn:hover:not(:disabled){background:var(--pcw-primary-hover);transform:translateY(-1px)}.pcw-send-btn:disabled{background:#e2e8f0;color:#94a3b8;box-shadow:none}.pcw-send-btn svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.8;fill:none}.pcw-error{background:var(--pcw-error-light);border:1px solid rgba(239,68,68,.2);color:var(--pcw-error);border-radius:14px;padding:.75rem 1rem;font-size:.9rem}@media (max-width: 640px){.pcw-wrapper{padding:1.5rem}.pcw-chatbox{padding:1.1rem}.pcw-suggestions,.pcw-input-row{flex-direction:column}.pcw-send-btn{width:100%;border-radius:12px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}.pcw-suggestion-btn:focus-visible,.pcw-send-btn:focus-visible,.pcw-input-row textarea:focus-visible{outline:2px solid var(--pcw-primary);outline-offset:2px}.pcw-input-row.pcw-loading{opacity:.65;pointer-events:none}.pcw-messages{scroll-padding:1rem}.pcw-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}