:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-input: #0f172a;--accent: #3b82f6;--accent-hover: #2563eb;--accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border: #334155;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--sidebar-width: 260px}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background-color:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh;padding:24px;box-sizing:border-box}.main-content{margin-left:var(--sidebar-width);flex:1;padding:32px;max-width:1400px}.logo{font-size:1.5rem;font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:2rem;display:flex;align-items:center;gap:10px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;margin-bottom:8px;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-weight:500;border:none;background:transparent;width:100%;text-align:left}.nav-item:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-md)}.badge{background-color:var(--danger);color:#fff;font-size:.75rem;padding:2px 8px;border-radius:999px;margin-left:auto}.card{background-color:var(--bg-secondary);border-radius:var(--radius-md);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}h1,h2,h3,h4{margin:0;font-weight:600;color:var(--text-primary)}h1{font-size:2rem;margin-bottom:1.5rem}h2{font-size:1.5rem;margin-bottom:1rem}h3{font-size:1.25rem;margin-bottom:.75rem}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.form-group{margin-bottom:20px}.label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:8px}input,select,textarea{width:100%;background-color:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px;color:var(--text-primary);font-size:.95rem;font-family:inherit;transition:border-color .2s;box-sizing:border-box}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px #3b82f633}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border-radius:var(--radius-sm);font-weight:500;cursor:pointer;transition:all .2s;border:none;gap:8px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-danger{background:transparent;border:1px solid var(--danger);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.ai-box{background:linear-gradient(135deg,#3b82f61a,#8b5cf61a);border:1px solid rgba(139,92,246,.3);border-radius:var(--radius-md);padding:20px;margin:24px 0}.loader{border:2px solid rgba(255,255,255,.1);border-left-color:#fff;border-radius:50%;width:16px;height:16px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{width:70px;padding:12px}.nav-item span{display:none}.main-content{margin-left:70px;padding:16px}.grid-2,.grid-3{grid-template-columns:1fr}}