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1.5rem;background:var(--bg-card);border-top:1px solid var(--border)}.chat-form{display:flex;gap:.75rem}.chat-input{flex:1;padding:.75rem 1rem;border:1px solid var(--border);border-radius:2rem;font-size:.95rem;background:var(--bg-body);color:var(--text-main);outline:none;transition:var(--transition)}.chat-input:focus{border-color:var(--primary)}.chat-send-btn{background-color:var(--primary);color:#fff;border:none;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .2s;flex-shrink:0}.chat-send-btn:hover:not(:disabled){filter:brightness(1.1)}.chat-send-btn:disabled{opacity:.5;cursor:not-allowed}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;padding:2rem}.chat-empty-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}@media (max-width: 768px){.chat-page{padding-top:5rem;padding-bottom:1rem;height:calc(100vh - 4rem)}.chat-container{border-radius:0;border-left:none;border-right:none;margin:0 -1.5rem}.chat-sidebar{width:100%}.chat-main{position:absolute;top:0;left:0;right:0;bottom:0;z-index:10}.chat-main.hidden,.chat-sidebar.hidden{display:none}.back-to-list{display:block}}:root{--primary: #b60b69;--primary-dark: #C4176F;--primary-light: #fce7f3;--text-main: #0f172a;--text-muted: #64748b;--text-light: #94a3b8;--bg-body: #cccaca;--bg-card: #f0ebeb;--bg-subtle: #adb6c4;--border: #e2e8f0;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--navbar-bg: rgba(255, 255, 255, .95);--radius: 12px;--radius-sm: 8px;--radius-full: 9999px;--transition: all .2s cubic-bezier(.4, 0, .2, 1);--container-max: 1200px;--container-padding: 2rem}[data-theme=dark]{--primary: #3b82f6;--primary-dark: #2563eb;--primary-light: #1e3a5f;--text-main: #f1f5f9;--text-muted: #94a3b8;--text-light: #64748b;--bg-body: #0f172a;--bg-card: #1e293b;--bg-subtle: #334155;--border: #334155;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .5), 0 4px 6px -4px rgba(0, 0, 0, .4);--navbar-bg: rgba(15, 23, 42, .95)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-body);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}a{text-decoration:none;color:inherit}button{cursor:pointer;border:none;font-family:inherit}input,select,textarea{font-family:inherit;color:var(--text-main)}img{max-width:100%;display:block}ul{list-style:none}.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-padding)}.btn-primary{display:inline-block;padding:.75rem 1.75rem;background-color:var(--primary);color:#fff;font-weight:600;font-size:1rem;border-radius:50px;transition:var(--transition);border:none}.btn-primary:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 0 20px #f472b699}.btn-secondary{display:inline-block;padding:.75rem 1.75rem;background-color:var(--bg-card);color:var(--primary);font-weight:600;font-size:1rem;border-radius:50px;border:2px solid var(--primary);transition:var(--transition)}.btn-secondary:hover{background-color:var(--primary-light);transform:translateY(-2px);box-shadow:0 0 20px #f472b699}