:root{--teal:#006D77;--teal-light:#83C5BE;--teal-pale:#EDF6F9;--gold:#C9A84C;--charcoal:#1A1A2E;--mid:#4A5568;--muted:#718096;--border:#E2E8F0;--bg:#F7F8FA;--white:#fff;--sb-width:240px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--charcoal);display:flex;min-height:100vh}
.sidebar{width:var(--sb-width);background:var(--charcoal);position:fixed;top:0;left:0;bottom:0;overflow-y:auto;z-index:100;padding-bottom:24px}
.sb-logo{font-size:1.1rem;font-weight:900;color:#fff;padding:20px;border-bottom:1px solid rgba(255,255,255,0.1);margin-bottom:8px}.sb-logo span{color:#E8C97A}
.sb-section{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:rgba(255,255,255,0.35);padding:12px 20px 6px}
.sidebar ul{list-style:none}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:rgba(255,255,255,0.6);text-decoration:none;font-size:13.5px;font-weight:500;transition:all 0.18s;border-left:3px solid transparent}
.nav-item:hover{color:#fff;background:rgba(255,255,255,0.05)}
.nav-item.active{color:#fff;background:rgba(0,109,119,0.3);border-left-color:var(--teal-light)}
.main-content{margin-left:var(--sb-width);flex:1;display:flex;flex-direction:column;min-height:100vh}
.admin-header{background:var(--white);border-bottom:1px solid var(--border);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between}
.admin-header h4{font-size:14px;color:var(--mid)}
.page-body{padding:32px}
.page-title{font-size:1.4rem;font-weight:900;color:var(--charcoal);margin-bottom:24px}
.stats-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;align-items:center;gap:14px}
.sc-icon{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.sc-num{font-size:1.8rem;font-weight:900;color:var(--charcoal)}
.sc-label{font-size:12px;color:var(--muted);margin-top:2px}
.card{background:var(--white);border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:20px}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}
.card-header h3{font-size:14.5px;font-weight:700}
.card-body{padding:20px}
.data-table{width:100%;border-collapse:collapse;font-size:13px}
.data-table th{background:var(--bg);padding:10px 14px;text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:0.5px;color:var(--muted);font-weight:700;border-bottom:1px solid var(--border)}
.data-table td{padding:12px 14px;border-bottom:1px solid var(--border);color:var(--mid);vertical-align:middle}
.data-table tr:hover td{background:var(--bg)}
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:8px;font-family:'Outfit',sans-serif;font-weight:600;font-size:13.5px;cursor:pointer;border:none;text-decoration:none;transition:all 0.2s}
.btn-primary{background:var(--teal);color:#fff}.btn-primary:hover{background:#005C65}
.btn-sm{padding:6px 12px;font-size:12px;background:var(--bg);color:var(--mid);border:1px solid var(--border)}.btn-sm:hover{border-color:var(--teal);color:var(--teal)}
.btn-danger{background:#FEE2E2;color:#DC2626;border:1px solid #FECACA}.btn-danger:hover{background:#DC2626;color:#fff}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:12.5px;font-weight:600;color:var(--mid);margin-bottom:6px}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 13px;border:1.5px solid var(--border);border-radius:8px;font-family:'Outfit',sans-serif;font-size:13.5px;color:var(--charcoal);background:var(--bg);outline:none;transition:all 0.2s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--teal);background:#fff;box-shadow:0 0 0 3px rgba(0,109,119,0.08)}
.form-textarea{resize:vertical;min-height:80px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.alert{padding:12px 16px;border-radius:8px;font-size:13.5px;margin-bottom:20px;font-weight:500}
.alert-success{background:#D1FAE5;color:#065F46;border:1px solid #A7F3D0}
.alert-error{background:#FEE2E2;color:#DC2626;border:1px solid #FECACA}
.badge-status{display:inline-block;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:700}
.badge-status.new{background:#DBEAFE;color:#1D4ED8}
.badge-status.contacted{background:#FEF3C7;color:#D97706}
.badge-status.qualified{background:#D1FAE5;color:#065F46}
.badge-status.closed{background:#F3F4F6;color:#6B7280}
.badge-status.active{background:#D1FAE5;color:#065F46}
.badge-status.inactive{background:#F3F4F6;color:#6B7280}
.modal{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:1000;backdrop-filter:blur(4px)}
.modal-box{background:#fff;border-radius:16px;padding:28px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto}
.modal-box h3{font-size:1.1rem;font-weight:800;margin-bottom:20px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}
/* Login page */
body.login-page{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1A1A2E,#0F2937)}
.login-card{background:#fff;border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.login-logo{font-size:1.5rem;font-weight:900;text-align:center;margin-bottom:8px;color:var(--charcoal)}
.login-card h2{text-align:center;font-size:1rem;color:var(--muted);margin-bottom:28px;font-weight:500}
@media(max-width:900px){.stats-cards{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}