:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--secondary: #475569;--secondary-light: #f1f5f9;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--error: #ef4444;--error-light: #fee2e2;--sidebar-bg: #0f172a;--sidebar-text: #cbd5e1;--sidebar-active: #1e293b;--bg-main: #f8fafc;--bg-card: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border-light: #e2e8f0;--radius-sm: 6px;--radius-md: 10px;--box-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased}.admin-layout{display:flex;height:100vh;overflow:hidden}.admin-sidebar{width:260px;background-color:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;transition:all .3s ease;overflow-y:auto}.sidebar-header{padding:1.5rem;font-size:1.25rem;font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:.75rem}.admin-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.admin-header{height:64px;background-color:var(--bg-card);border-bottom:1px solid var(--border-light);display:flex;align-items:center;justify-content:space-between;padding:0 2rem}.admin-content{flex:1;overflow-y:auto;padding:2rem}.nav-group{margin-top:1.5rem}.nav-label{padding:0 1.5rem;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#64748b;margin-bottom:.5rem;font-weight:600}.nav-item{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--sidebar-text);text-decoration:none;transition:all .2s;font-size:.95rem}.nav-item:hover,.nav-item.active{background-color:var(--sidebar-active);color:#fff;border-left:3px solid var(--primary)}.card{background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--box-shadow);border:1px solid var(--border-light);padding:1.5rem}h1,h2,h3,h4{margin-top:0;color:var(--text-main)}.text-muted{color:var(--text-muted)}.flex{display:flex}.justify-between{justify-content:space-between}.items-center{align-items:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mt-4{margin-top:1rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius-sm);font-weight:500;cursor:pointer;border:none;transition:all .2s;font-size:.9rem;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{background:transparent;border:1px solid var(--border-light);color:var(--text-main)}.btn-outline:hover{background:var(--secondary-light)}.btn-danger{background:var(--error-light);color:var(--error);border:1px solid var(--error-light)}.btn-danger:hover{background:var(--error);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.input-control{width:100%;padding:.6rem .75rem;border:1px solid var(--border-light);border-radius:var(--radius-sm);font-size:.95rem;transition:border-color .2s;background:var(--bg-card);color:var(--text-main);font-family:inherit}.input-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}label{display:block;margin-bottom:.35rem;font-size:.9rem;font-weight:500;color:var(--secondary)}.form-group{margin-bottom:1rem}table{width:100%;border-collapse:collapse}th{text-align:left;padding:1rem;border-bottom:2px solid var(--border-light);color:var(--secondary);font-weight:600;font-size:.85rem;text-transform:uppercase}td{padding:1rem;border-bottom:1px solid var(--border-light);font-size:.95rem}tr:hover{background-color:var(--secondary-light)}