*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg:#f5f5f7;--color-surface:#fff;--color-border:#e0e0e0;--color-primary:#0f3460;--color-primary-hover:#0a2545;--color-accent:#16213e;--color-text:#1a1a2e;--color-text-muted:#666;--color-danger:#c0392b;--color-danger-hover:#a93226;--color-success:#27ae60;--color-warning:#f39c12;--color-info:#2980b9;--radius:8px;--shadow:0 1px 4px #00000014;--shadow-lg:0 4px 16px #0000001f;--nav-width:240px;--header-height:56px;--font:system-ui, -apple-system, sans-serif}body{font-family:var(--font);color:var(--color-text);background:var(--color-bg);font-size:14px;line-height:1.5}h1{font-size:22px;font-weight:700}h2{font-size:18px;font-weight:600}h3{font-size:15px;font-weight:600}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}label{color:var(--color-text-muted);margin-bottom:4px;font-size:13px;font-weight:500;display:block}input[type=text],input[type=email],input[type=password],input[type=number],textarea,select{border:1px solid var(--color-border);border-radius:var(--radius);width:100%;font:inherit;background:var(--color-surface);color:var(--color-text);outline:none;padding:8px 12px;font-size:14px;transition:border-color .15s;display:block}input:focus,textarea:focus,select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #0f34601a}input:disabled,textarea:disabled,select:disabled{color:var(--color-text-muted);cursor:not-allowed;background:#f0f0f0}.btn{border-radius:var(--radius);font:inherit;cursor:pointer;white-space:nowrap;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn-secondary{background:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){background:#ccc}.btn-danger{background:var(--color-danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--color-danger-hover)}.btn-ghost{color:var(--color-primary);background:0 0}.btn-ghost:hover:not(:disabled){background:#0f346014}.btn-sm{padding:5px 10px;font-size:13px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.table-wrap{border-radius:var(--radius);border:1px solid var(--color-border);overflow-x:auto}table{border-collapse:collapse;background:var(--color-surface);width:100%}th{text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);text-align:left;border-bottom:1px solid var(--color-border);background:#f9f9fb;padding:10px 14px;font-size:12px;font-weight:600}td{border-bottom:1px solid var(--color-border);vertical-align:middle;padding:10px 14px}tr:last-child td{border-bottom:none}tr:hover td{background:#f9f9fb}.badge{border-radius:20px;padding:2px 8px;font-size:12px;font-weight:500;display:inline-block}.badge-blue{color:#1a56db;background:#e8f0fe}.badge-green{color:#1a7f37;background:#e6f4ea}.badge-orange{color:#b45309;background:#fef3e2}.badge-red{color:#b91c1c;background:#fde8e8}.badge-gray{color:#666;background:#f0f0f0}.badge-purple{color:#7e22ce;background:#f3e8ff}.alert{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-error{color:#991b1b;background:#fde8e8;border:1px solid #fca5a5}.alert-success{color:#166534;background:#e6f4ea;border:1px solid #86efac}.alert-info{color:#1e40af;background:#e8f0fe;border:1px solid #93c5fd}.alert-warning{color:#92400e;background:#fef3e2;border:1px solid #fcd34d}.app-layout{min-height:100vh;display:flex}.sidebar{width:var(--nav-width);background:var(--color-accent);color:#fff;z-index:100;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid #ffffff1a;padding:20px;font-size:16px;font-weight:700}.sidebar-logo span{opacity:.7;font-size:12px;font-weight:300;display:block}.sidebar-nav{flex:1;padding:8px 0}.nav-section{text-transform:uppercase;letter-spacing:.08em;opacity:.5;padding:12px 16px 4px;font-size:11px;font-weight:600}.nav-item{color:#fffc;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:9px 20px;font-size:14px;text-decoration:none;transition:background .15s;display:flex}.nav-item:hover{color:#fff;background:#ffffff14;text-decoration:none}.nav-item.active{color:#fff;background:#ffffff26}.sidebar-footer{border-top:1px solid #ffffff1a;padding:16px}.sidebar-user{color:#ffffffb3;margin-bottom:8px;font-size:13px}.sidebar-user strong{color:#fff;display:block}.main-content{margin-left:var(--nav-width);flex-direction:column;flex:1;min-height:100vh;display:flex}.page-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;gap:16px;padding:20px 32px;display:flex}.page-body{flex:1;padding:28px 32px}.form-group{margin-bottom:16px}.form-row{grid-template-columns:1fr 1fr;gap:16px;display:grid}.form-actions{gap:10px;margin-top:20px;display:flex}.modal-overlay{z-index:500;background:#0006;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--color-surface);border-radius:var(--radius);width:100%;max-width:480px;box-shadow:var(--shadow-lg);padding:24px}.modal-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-close{cursor:pointer;color:var(--color-text-muted);background:0 0;border:none;font-size:20px}.login-page{background:linear-gradient(135deg,#16213e 0%,#0f3460 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--color-surface);width:100%;max-width:420px;box-shadow:var(--shadow-lg);border-radius:12px;padding:40px}.login-card h1{text-align:center;margin-bottom:8px}.login-subtitle{text-align:center;color:var(--color-text-muted);margin-bottom:28px;font-size:14px}.empty-state{text-align:center;color:var(--color-text-muted);padding:60px 20px}.empty-state h3{color:var(--color-text);margin-bottom:8px}.editor-layout{grid-template-columns:1fr 280px;gap:20px;display:grid}.editor-canvas{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);min-height:600px;position:relative;overflow:hidden}.editor-sidebar{flex-direction:column;gap:16px;display:flex}.zone-item{border:2px dashed var(--color-border);cursor:pointer;border-radius:6px;padding:12px;transition:border-color .15s}.zone-item:hover{border-color:var(--color-primary)}.zone-item.selected{border-color:var(--color-primary);background:#0f34600a}.grid-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}.grid-3{grid-template-columns:1fr 1fr 1fr;gap:16px;display:grid}.grid-4{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.flex{align-items:center;display:flex}.flex-gap{gap:12px}.space-between{justify-content:space-between}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mb-16{margin-bottom:16px}.text-muted{color:var(--color-text-muted);font-size:13px}.text-right{text-align:right}@media (max-width:768px){:root{--nav-width:0px}.sidebar{display:none}.main-content{margin-left:0}.page-header,.page-body{padding:16px}.form-row,.editor-layout{grid-template-columns:1fr}}