:root{--primary:#e8601c;--primary-hover:#d4520f;--sidebar-bg:#2d2d2d;--sidebar-hover:#3a3a3a;--sidebar-active:#e8601c;--text:#333;--text-light:#888;--bg:#f2f2f2;--card:#fff;--border:#e0e0e0;--focus:#e8601c}*{box-sizing:border-box;margin:0;padding:0}html,body{overscroll-behavior:none;-webkit-overflow-scrolling:touch}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.layout{min-height:100vh;display:flex}.sidebar{background:var(--sidebar-bg);color:#fff;flex-direction:column;width:240px;min-width:240px;padding:0;transition:width .25s,min-width .25s;display:flex;overflow:hidden}.sidebar.collapsed{width:56px;min-width:56px}.sidebar-header{border-bottom:1px solid #444;align-items:center;gap:12px;min-height:56px;padding:16px;display:flex}.sidebar-toggle{color:#ccc;cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:24px;padding:4px;font-size:20px;line-height:1;display:flex}.sidebar-toggle:hover{color:#fff;background:0 0}.sidebar-title{white-space:nowrap;color:var(--primary);font-size:16px;font-weight:700;overflow:hidden}.collapsed .sidebar-title{display:none}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:8px;display:flex}.sidebar a{color:#bbb;white-space:nowrap;border-radius:6px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;text-decoration:none;transition:all .15s;display:flex;overflow:hidden}.sidebar a:hover{background:var(--sidebar-hover);color:#fff}.sidebar a.active{background:var(--sidebar-active);color:#fff}.sidebar .nav-icon{text-align:center;flex-shrink:0;width:20px;font-size:18px}.collapsed .nav-label{display:none}.sidebar-footer{border-top:1px solid #444;padding:12px 8px}.logout-btn{color:#aaa;cursor:pointer;background:0 0;border:1px solid #555;border-radius:6px;justify-content:center;align-items:center;gap:8px;width:100%;padding:8px;font-size:13px;display:flex}.logout-btn:hover{color:#e94560;background:0 0;border-color:#e94560}.collapsed .logout-label{display:none}.content{flex:1;min-width:0;padding:32px 40px;overflow-x:auto}.page-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.page-header h1{font-size:22px;font-weight:600}.tabs{border-bottom:2px solid var(--border);gap:0;margin-bottom:24px;display:flex}.tab{color:var(--text-light);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 20px;font-size:14px;font-weight:500;transition:all .15s}.tab:hover{color:var(--text);background:0 0}.tab.active{color:var(--primary);border-bottom-color:var(--primary);background:0 0}table{border-collapse:collapse;background:var(--card);border-radius:8px;width:100%;overflow:hidden;box-shadow:0 1px 3px #00000014}th,td{text-align:left;border-bottom:1px solid var(--border);padding:12px 16px}th{text-transform:uppercase;color:#666;letter-spacing:.5px;background:#f8f8f8;font-size:12px;font-weight:600}tr.inactive td{opacity:.5}.badge{border-radius:12px;padding:4px 8px;font-size:12px;font-weight:500}.badge.active{color:#155724;background:#d4edda}.badge.disabled{color:#721c24;background:#f8d7da}button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:8px 16px;font-size:14px;transition:background .15s}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.small{margin-right:4px;padding:4px 10px;font-size:12px}button.danger{background:#dc3545}button.danger:hover{background:#c82333}button.secondary{background:#555}button.secondary:hover{background:#444}.inline-form{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.upload-area{background:var(--card);border-radius:8px;align-items:center;gap:12px;margin-bottom:24px;padding:16px;display:flex;box-shadow:0 1px 3px #00000014}input,select,textarea{border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-family:inherit;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--focus);outline:none;box-shadow:0 0 0 2px #e8601c26}textarea{resize:vertical;width:100%}.error{color:#dc3545;font-size:14px}.success{color:#28a745;background:#d4edda;border-radius:6px;margin-bottom:16px;padding:8px 12px;font-size:14px}.settings-section{background:var(--card);border-radius:8px;margin-bottom:24px;padding:24px;box-shadow:0 1px 3px #00000014}.settings-section h2{border-bottom:1px solid var(--border);color:var(--text);margin-bottom:16px;padding-bottom:8px;font-size:15px}.settings-section input,.settings-section select{width:100%;max-width:400px}.settings-section textarea{width:100%}.settings-form{background:var(--card);border-radius:8px;padding:24px;box-shadow:0 1px 3px #00000014}.settings-form .field{margin-bottom:20px}.settings-form label{color:#555;margin-bottom:6px;font-size:14px;font-weight:600;display:block}.settings-form input,.settings-form select{width:100%;max-width:400px}.login-page{background:var(--sidebar-bg);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-form{background:var(--card);text-align:center;border-radius:12px;width:360px;padding:40px}.login-form h1{color:var(--primary);margin-bottom:4px}.login-form p{color:var(--text-light);margin-bottom:24px}.login-form input{width:100%;margin-bottom:12px}.login-form button{width:100%;margin-top:8px;padding:12px}.login-form .error{margin-bottom:8px}.chat-view{flex-direction:column;gap:12px;max-width:700px;display:flex}.chat-bubble{border-radius:12px;max-width:85%;padding:12px 16px}.chat-bubble.user{background:#fff3e0;border-bottom-right-radius:4px;align-self:flex-end}.chat-bubble.assistant{background:var(--card);border-bottom-left-radius:4px;align-self:flex-start;box-shadow:0 1px 3px #00000014}.chat-role{color:var(--text-light);text-transform:uppercase;margin-bottom:4px;font-size:11px;font-weight:600}.chat-text{white-space:pre-wrap;word-break:break-word;font-size:14px;line-height:1.5}.chat-time{color:#aaa;text-align:right;margin-top:6px;font-size:11px}.color-grid{grid-template-columns:1fr 1fr;gap:16px;max-width:500px;display:grid}.color-field{align-items:center;gap:12px;display:flex}.color-field label{color:#555;min-width:140px;font-size:14px;font-weight:500}.color-field input[type=color]{border:1px solid var(--border);cursor:pointer;border-radius:6px;width:48px;height:36px;padding:2px}.color-preview{border:1px solid var(--border);border-radius:8px;margin-top:20px;padding:16px}.color-preview-bar{color:#fff;border-radius:6px;justify-content:center;align-items:center;height:40px;font-size:14px;font-weight:600;display:flex}.mobile-header,.sidebar-backdrop{display:none}@media (width<=768px){.sidebar{z-index:100;width:260px;min-width:260px;transition:transform .25s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.mobile-open{transform:translate(0)}.sidebar.collapsed{width:260px;min-width:260px;transform:translate(-100%)}.sidebar.collapsed.mobile-open{transform:translate(0)}.collapsed .sidebar-title,.collapsed .nav-label,.collapsed .logout-label{display:inline}.sidebar-toggle{display:none}.sidebar-backdrop{z-index:99;background:#00000080;display:none;position:fixed;inset:0}.sidebar-backdrop.visible{display:block}.mobile-header{background:var(--sidebar-bg);color:#fff;z-index:50;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky;top:0}.mobile-header button{color:#fff;cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:22px;line-height:1}.mobile-header button:hover{background:0 0}.mobile-header span{color:var(--primary);font-size:16px;font-weight:700}.layout{flex-direction:column}.content{width:100%;padding:16px}.page-header{flex-wrap:wrap;gap:8px}.page-header h1{font-size:18px}.tabs{-webkit-overflow-scrolling:touch;overflow-x:auto}.tab{padding:8px 14px;font-size:13px}.settings-section{padding:16px}.settings-section input,.settings-section select,.settings-form input,.settings-form select{max-width:100%}.color-grid{grid-template-columns:1fr}table{font-size:13px}th,td{padding:8px 10px}.upload-area{flex-wrap:wrap}.login-form{width:90vw;max-width:360px;padding:24px}.chat-bubble{max-width:95%}}