@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&display=swap";:root{--bg:#f8f9fc;--surface:#fff;--border:#e5e7eb;--border-light:#f4f4f5;--text:#0a0a0a;--text-secondary:#6d727e;--text-tertiary:#9ca3af;--primary:#22c55e;--primary-hover:#16a34a;--primary-light:#22c55e0f;--primary-subtle:#22c55e1a;--green:#22c55e;--green-light:#22c55e14;--red:#ef4444;--red-light:#ef44440d;--amber:#f59e0b;--amber-light:#f59e0b0f;--blue:#3b82f6;--blue-light:#3b82f60f;--shadow-sm:0 1px 2px #0000000d;--shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000012;--shadow-lg:0 10px 40px #0000001a;--radius:8px;--radius-lg:12px;--radius-xl:16px;--sidebar-w:220px;--topbar-h:56px;--font:"DM Sans", -apple-system, BlinkMacSystemFont, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.55}a{color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-hover)}button,input,select,textarea{font-family:inherit;font-size:inherit}.layout{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);color:#fff;z-index:100;background:#0a0a0a;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-brand{border-bottom:1px solid #ffffff14;align-items:center;gap:10px;padding:20px 20px 16px;font-size:16px;font-weight:700;display:flex}.sidebar-brand span{color:var(--green)}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex}.sidebar-link{border-radius:var(--radius);color:#fff9;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:all .15s;display:flex}.sidebar-link:hover{color:#fff;background:#ffffff0f}.sidebar-link.active{color:#fff;background:#22c55e26}.sidebar-link svg{flex-shrink:0;width:18px;height:18px}.sidebar-footer{color:#ffffff4d;border-top:1px solid #ffffff14;padding:16px;font-size:12px}.main-content{margin-left:var(--sidebar-w);flex:1;max-width:1200px;padding:32px 40px}.page-header{justify-content:space-between;align-items:center;margin-bottom:28px;display:flex}.page-title{font-size:22px;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-top:2px;font-size:14px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:24px}.card-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.card-title{font-size:15px;font-weight:600}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.stat-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500}.stat-value{font-size:28px;font-weight:700}.stat-sub{color:var(--text-tertiary);margin-top:4px;font-size:12px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th{text-align:left;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);padding:10px 12px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--border-light);padding:12px;font-size:14px}tr:hover td{background:var(--primary-light)}tr.clickable{cursor:pointer}.btn{border-radius:var(--radius);cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text);align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:600;transition:all .15s;display:inline-flex}.btn:hover{border-color:var(--text-secondary)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-sm{padding:5px 10px;font-size:13px}.btn-ghost{color:var(--text-secondary);background:0 0;border:none}.btn-ghost:hover{color:var(--text);background:var(--bg)}.btn-red{background:var(--red);color:#fff;border-color:var(--red)}.badge{border-radius:100px;align-items:center;gap:4px;padding:3px 8px;font-size:12px;font-weight:600;display:inline-flex}.badge-green{background:var(--green-light);color:var(--green)}.badge-red{background:var(--red-light);color:var(--red)}.badge-amber{background:var(--amber-light);color:var(--amber)}.badge-blue{background:var(--blue-light);color:var(--blue)}.form-group{margin-bottom:16px}.form-label{margin-bottom:6px;font-size:13px;font-weight:600;display:block}.form-input{border:1px solid var(--border);border-radius:var(--radius);width:100%;padding:9px 12px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--primary);outline:none}.form-input-sm{padding:6px 10px;font-size:13px}.search-bar{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);align-items:center;gap:8px;max-width:360px;padding:9px 14px;display:flex}.search-bar input{background:0 0;border:none;outline:none;flex:1;font-size:14px}.search-bar svg{color:var(--text-tertiary);width:16px;height:16px}.alert-item{border-bottom:1px solid var(--border-light);align-items:flex-start;gap:12px;padding:16px;display:flex}.alert-item:last-child{border-bottom:none}.alert-icon{border-radius:var(--radius);flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.alert-icon.buy_window{background:var(--green-light);color:var(--green)}.alert-icon.increase_pending{background:var(--red-light);color:var(--red)}.alert-icon.lock_expiring{background:var(--amber-light);color:var(--amber)}.alert-icon.price_break{background:var(--blue-light);color:var(--blue)}.alert-body{flex:1}.alert-title{margin-bottom:2px;font-size:14px;font-weight:600}.alert-message{color:var(--text-secondary);font-size:13px}.alert-time{color:var(--text-tertiary);margin-top:4px;font-size:12px}.alert-actions{gap:6px;margin-top:8px;display:flex}.trend{align-items:center;gap:3px;font-size:13px;font-weight:600;display:inline-flex}.trend-rising{color:var(--red)}.trend-falling{color:var(--green)}.trend-flat{color:var(--text-tertiary)}.chart-wrap{height:300px}.grid-2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:20px;display:grid}.empty-state{text-align:center;color:var(--text-secondary);padding:60px 20px}.empty-state svg{width:48px;height:48px;color:var(--text-tertiary);margin-bottom:12px}.empty-state h3{color:var(--text);margin-bottom:4px;font-size:16px}.login-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);width:400px;box-shadow:var(--shadow-md);padding:40px}.login-card h1{margin-bottom:4px;font-size:20px}.login-card p{color:var(--text-secondary);margin-bottom:24px;font-size:14px}.loading{color:var(--text-secondary);justify-content:center;align-items:center;padding:60px;display:flex}@media (width<=768px){.sidebar{display:none}.main-content{margin-left:0;padding:20px}.grid-2,.grid-3{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}