*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--bg-card: #ffffff;--bg-sidebar: #1a1d23;--bg-input: #f1f3f5;--border: #e9ecef;--text: #212529;--text-secondary: #6c757d;--text-muted: #adb5bd;--accent: #4c6ef5;--accent-hover: #3b5bdb;--accent-light: #edf2ff;--danger: #e03131;--danger-hover: #c92a2a;--success: #2f9e44;--radius: 8px;--radius-lg: 12px;--shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.08);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--transition: .2s ease}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}body:after{content:"rain";position:fixed;bottom:24px;right:28px;font-size:72px;font-weight:700;color:#4c6ef508;pointer-events:none;z-index:0;letter-spacing:8px;-webkit-user-select:none;user-select:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--bg-sidebar);color:#fff;padding:20px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-brand{padding:0 20px 20px;font-size:18px;font-weight:700;letter-spacing:.5px;color:#fff;display:flex;align-items:center;gap:8px}.sidebar-brand .dot{width:8px;height:8px;background:var(--accent);border-radius:50%}.sidebar-nav{flex:1;padding:8px 12px;display:flex;flex-direction:column;gap:2px}.sidebar-nav a,.sidebar-nav button{color:#adb5bd;padding:10px 12px;border-radius:6px;font-size:14px;transition:var(--transition);display:flex;align-items:center;gap:10px;text-decoration:none;background:none;border:none;cursor:pointer;font-family:var(--font);width:100%;text-align:left}.sidebar-nav a:hover,.sidebar-nav button:hover,.sidebar-nav a.router-link-active{background:#ffffff14;color:#fff}.sidebar-nav a.router-link-active{background:#4c6ef526;color:var(--accent)}.sidebar-nav svg{width:18px;height:18px;flex-shrink:0}.main{margin-left:220px;flex:1;padding:32px 40px;position:relative;z-index:1}.page-header{margin-bottom:28px}.page-header h1{font-size:22px;font-weight:600;color:var(--text)}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}.card-header{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text)}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:var(--font);background:var(--bg-input);color:var(--text);transition:var(--transition);outline:none}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4c6ef51a;background:#fff}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;font-family:var(--font);cursor:pointer;border:none;transition:var(--transition)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-outline:hover{background:var(--bg-input)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:6px 14px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.alert{padding:12px 16px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.alert-error{background:#fff5f5;color:var(--danger);border:1px solid #ffc9c9}.alert-success{background:#f4fce3;color:var(--success);border:1px solid #c0eb75}.toast{position:fixed;top:20px;right:20px;padding:12px 20px;border-radius:var(--radius);font-size:13px;z-index:999;animation:slideIn .3s ease;box-shadow:var(--shadow-md)}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:10px 14px;font-weight:500;color:var(--text-secondary);border-bottom:1px solid var(--border);font-size:12px;text-transform:uppercase;letter-spacing:.5px}td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--text)}tr:last-child td{border-bottom:none}.key-display{display:flex;align-items:center;gap:8px;background:#f4f6f8;padding:10px 14px;border-radius:var(--radius);border:1px solid var(--border);font-size:14px;word-break:break-all;letter-spacing:.3px}.key-display code{flex:1;color:var(--accent);font-weight:500;font-family:SF Mono,Cascadia Code,Fira Code,monospace;font-size:13px;letter-spacing:.5px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:500}.badge-green{background:#d3f9d8;color:#2b8a3e}.badge-blue{background:var(--accent-light);color:var(--accent)}.badge-red{background:#ffe3e3;color:var(--danger)}.stats-cards{display:flex;gap:20px;margin-bottom:20px}.stat-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);padding:24px;min-width:200px;flex:1}.stat-num{font-size:36px;font-weight:700;color:var(--accent);line-height:1.2}.stat-label{font-size:14px;color:var(--text-secondary);margin-top:8px}.modal-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;z-index:200;align-items:center;justify-content:center}.modal-overlay.open{display:flex}.modal{background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px;width:480px;max-width:90vw;max-height:90vh;overflow-y:auto}.modal h3{font-size:16px;font-weight:600;margin-bottom:20px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.text-muted{color:var(--text-muted);font-size:13px}.text-sm{font-size:13px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.flex-between{display:flex;justify-content:space-between;align-items:center}.gap-2{gap:8px}.chat-container{display:flex;flex-direction:column;height:calc(100vh - 120px)}.chat-messages{flex:1;overflow-y:auto;padding:20px 0;display:flex;flex-direction:column;gap:16px}.chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center}.chat-empty h2{font-size:20px;font-weight:600;color:var(--text);margin-bottom:8px}.chat-empty p{font-size:14px;max-width:400px}.message{display:flex;gap:12px;max-width:85%;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message.assistant{align-self:flex-start}.message-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0}.message.user .message-avatar{background:var(--accent);color:#fff}.message.assistant .message-avatar{background:#e9ecef;color:var(--text-secondary)}.message-content{padding:12px 16px;border-radius:var(--radius-lg);font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.message.user .message-content{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.message.assistant .message-content{background:var(--bg-card);border:1px solid var(--border);border-bottom-left-radius:4px}.chat-input-area{border-top:1px solid var(--border);padding:16px 0 0}.chat-input-row{display:flex;gap:10px;align-items:flex-end}.chat-input-row textarea{flex:1;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-lg);font-size:14px;font-family:var(--font);resize:none;min-height:48px;max-height:160px;outline:none;background:var(--bg-card);color:var(--text);transition:var(--transition);line-height:1.5}.chat-input-row textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4c6ef51a}.chat-input-row .btn-send{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0;padding:0}.chat-input-row .btn-send:hover{background:var(--accent-hover)}.chat-input-row .btn-send:disabled{background:var(--text-muted)}.chat-input-row .btn-send svg{width:20px;height:20px}.model-selector{position:relative;display:inline-flex}.model-selector-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:100px;font-size:13px;cursor:pointer;color:var(--text-secondary);transition:var(--transition);font-family:var(--font)}.model-selector-btn:hover{border-color:var(--accent);color:var(--accent)}.model-selector-btn svg{width:14px;height:14px}.model-selector-btn .chevron{width:12px;height:12px;transition:transform .2s}.model-selector.open .chevron{transform:rotate(180deg)}.model-dropdown{position:absolute;bottom:calc(100% + 8px);left:0;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);min-width:220px;z-index:100;overflow:hidden;display:none}.model-selector.open .model-dropdown{display:block}.model-dropdown-header{padding:10px 16px;font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.model-dropdown-item{padding:10px 16px;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:var(--transition);color:var(--text)}.model-dropdown-item:hover{background:var(--accent-light)}.model-dropdown-item.selected{color:var(--accent);font-weight:500}.model-dropdown-item .provider-tag{font-size:11px;color:var(--text-muted);background:var(--bg-input);padding:2px 6px;border-radius:4px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg)}.login-card{background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-md);padding:40px;width:400px;max-width:90vw;position:relative;z-index:1}.login-card h1{font-size:22px;font-weight:600;margin-bottom:4px;display:flex;align-items:center;gap:8px}.login-card h1 .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;display:inline-block}.loading{display:inline-flex;align-items:center;gap:8px}.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#dee2e6;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ced4da}@media (max-width: 768px){.sidebar{width:60px}.sidebar-brand span,.sidebar-nav a span,.sidebar-nav button span{display:none}.sidebar-nav a,.sidebar-nav button{justify-content:center;padding:10px}.main{margin-left:60px;padding:20px}.login-card{width:100%;margin:20px}}