:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #eff6ff;--color-success: #10b981;--color-success-light: #d1fae5;--color-danger: #ef4444;--color-danger-light: #fee2e2;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #0f172a;--color-text-secondary: #64748b;--color-text-tertiary: #94a3b8;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(15, 23, 42, .08);--shadow-md: 0 4px 12px rgba(15, 23, 42, .1);--shadow-lg: 0 8px 24px rgba(15, 23, 42, .12);--shadow-xl: 0 16px 48px rgba(15, 23, 42, .14)}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe 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var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:all .2s ease}.panel:hover{box-shadow:var(--shadow-md)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.grid-3{grid-template-columns:repeat(3,1fr)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-lg)}@media (max-width: 768px){.grid,.grid-3,.two-col{grid-template-columns:1fr}}input,textarea,select{display:block;width:100%;background:var(--color-surface);color:var(--color-text);border:1.5px solid var(--color-border);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;font-family:inherit;transition:all .15s ease;margin-bottom:var(--spacing-md)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}textarea{min-height:80px;resize:vertical;line-height:1.5}select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}button{display:inline-block;cursor:pointer;border:none;border-radius:var(--radius-sm);padding:11px 20px;background:var(--color-primary);color:#fff;font-size:14px;font-weight:500;font-family:inherit;transition:all .15s ease;box-shadow:0 1px 2px #2563eb33}button:hover:not(:disabled){background:var(--color-primary-hover);box-shadow:0 4px 12px #2563eb40;transform:translateY(-1px)}button:active:not(:disabled){transform:translateY(0);box-shadow:0 2px 6px #2563eb33}button:disabled{opacity:.5;cursor:not-allowed}button.success{background:var(--color-success);box-shadow:0 1px 2px #10b98133}button.success:hover:not(:disabled){background:#059669;box-shadow:0 4px 12px #10b98140}button.danger{background:var(--color-danger);box-shadow:0 1px 2px #ef444433}button.danger:hover:not(:disabled){background:#dc2626;box-shadow:0 4px 12px #ef444440}.actions{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.actions button{flex:1;min-width:140px}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:99px;font-size:13px;font-weight:600;letter-spacing:.01em}.status-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse-dot 2s infinite}.status-badge.connected{background:var(--color-success-light);color:var(--color-success)}.status-badge.connecting{background:var(--color-warning-light);color:var(--color-warning)}.status-badge.disconnected{background:#f1f5f9;color:var(--color-text-tertiary)}.status-badge.disconnected:before{animation:none}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.5}}h2 .status-badge{margin-left:var(--spacing-md);vertical-align:middle}.transcript{max-height:400px;overflow-y:auto;padding-right:var(--spacing-sm)}.transcript::-webkit-scrollbar{width:8px}.transcript::-webkit-scrollbar-track{background:var(--color-bg);border-radius:99px}.transcript::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:99px}.transcript::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.transcript p{margin:0 0 var(--spacing-sm);padding:12px 14px;background:var(--color-bg);border-radius:var(--radius-sm);border-left:3px solid 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scale(1)}}.coach-icon{width:48px;height:48px;border-radius:50%;background:#ffffff40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff;flex-shrink:0;box-shadow:0 4px 12px #0000001a}.coach-content{flex:1}.coach-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:4px;letter-spacing:.01em}.coach-message{font-size:14px;color:#fffffff2;line-height:1.5}.coach-section{margin-top:var(--spacing-md)}.coach-section h4{color:var(--color-primary);font-weight:600;text-transform:none;letter-spacing:normal;margin:var(--spacing-lg) 0 var(--spacing-sm);font-size:15px}.coach-section ul{margin:0;padding-left:20px}.coach-section li{margin-bottom:6px;line-height:1.6;color:var(--color-text-secondary)}.score-bar{display:flex;align-items:center;gap:var(--spacing-md);margin:8px 0;padding:8px 0}.score-bar 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0}.empty-state{color:var(--color-text-tertiary);font-style:italic;text-align:center;padding:var(--spacing-xl) var(--spacing-lg);background:#fff;border:2px dashed var(--color-border);border-radius:var(--radius-md)}.documents-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.document-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background:#fff;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);transition:all .15s ease}.document-item:hover{border-color:var(--color-primary);box-shadow:0 2px 8px #2563eb14}.doc-info{flex:1}.doc-info strong{display:block;color:var(--color-text);margin-bottom:4px;font-size:14px}.doc-meta{font-size:12px;color:var(--color-text-tertiary)}.delete-btn{background:transparent;border:1px solid var(--color-border);padding:6px 10px;font-size:16px;width:auto;box-shadow:none;transition:all .15s ease}.delete-btn:hover:not(:disabled){background:var(--color-danger-light);border-color:var(--color-danger);transform:none}.add-knowledge{background:var(--color-bg);padding:var(--spacing-lg);border-radius:var(--radius-md)}.add-knowledge h4{margin:0 0 var(--spacing-lg);color:var(--color-text);font-size:15px;text-transform:none;letter-spacing:normal}.knowledge-form{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-lg);border-bottom:1px solid var(--color-border)}.knowledge-form:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.knowledge-form label{display:block;margin-bottom:var(--spacing-xs);color:var(--color-text-secondary);font-size:13px}@media (max-width: 768px){.layout{padding:var(--spacing-lg) var(--spacing-md)}h1{font-size:26px}.actions button{min-width:100%}}