:root{
    --bg:#f5f7fb;--surface:#fff;--text:#172033;--muted:#697386;--line:#e6e9ef;
    --primary:#315efb;--primary-dark:#2449cc;--success:#0f9d72;--danger:#d64545;
    --warning:#b7791f;--sidebar:#111827;
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);font-size:14px}
a{text-decoration:none;color:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:250px;background:var(--sidebar);color:#d8deea;display:flex;flex-direction:column;padding:22px 15px;position:fixed;inset:0 auto 0 0}
.sidebar-brand{display:flex;align-items:center;gap:11px;padding:0 10px 25px}.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#5276ff,#2449cc);display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px}.sidebar-brand strong{display:block;color:#fff;font-size:16px}.sidebar-brand span{display:block;font-size:11px;color:#8993a6;margin-top:2px}
.nav-section{font-size:10px;letter-spacing:1.3px;color:#687286;font-weight:800;margin:18px 10px 7px}.nav-link{display:block;padding:11px 12px;border-radius:9px;color:#aeb7c8;margin:3px 0}.nav-link:hover,.nav-link.active{background:#202a3b;color:#fff}.nav-link.active{box-shadow:inset 3px 0 var(--primary)}
.sidebar-footer{margin-top:auto;border-top:1px solid #293142;padding:16px 10px;font-size:11px;color:#727d90}.sidebar-footer strong,.sidebar-footer span{display:block}.sidebar-footer span{margin-top:4px}
.main-area{margin-left:250px;width:calc(100% - 250px)}.topbar{height:78px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}.topbar-title{font-size:20px;font-weight:750}.topbar-date{font-size:12px;color:var(--muted);margin-top:3px}.profile{display:flex;align-items:center;gap:10px}.profile small{display:block;color:var(--muted);font-size:11px}.avatar{width:36px;height:36px;border-radius:50%;background:#e9efff;color:var(--primary);display:grid;place-items:center;font-weight:800}.logout-link{font-size:12px;color:var(--muted);margin-left:12px}.content{padding:28px;max-width:1500px;margin:auto}
.page-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.page-heading h1{font-size:24px;margin:0}.page-heading p{margin:6px 0 0;color:var(--muted)}.actions{display:flex;gap:9px}
.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 3px 12px rgba(20,30,55,.03)}.stat-label{color:var(--muted);font-size:12px;font-weight:650}.stat-value{font-size:30px;font-weight:800;margin-top:7px}.stat-note{font-size:11px;color:var(--muted);margin-top:6px}
.table-card{padding:0;overflow:hidden}.table-toolbar{padding:17px 18px;border-bottom:1px solid var(--line);display:flex;gap:10px;align-items:center;justify-content:space-between}.filters{display:flex;gap:9px;flex-wrap:wrap}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:850px}th,td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}th{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:#7b8495;background:#fafbfc}td{font-size:13px}tbody tr:hover{background:#fafcff}.muted{color:var(--muted)}.small{font-size:12px}
.btn{border:0;border-radius:8px;padding:10px 14px;font-weight:700;cursor:pointer;font-size:13px;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}.btn-danger{background:#fff0f0;color:var(--danger);border:1px solid #ffd7d7}.btn-block{width:100%;padding:12px}
.input,select,textarea{width:100%;border:1px solid #dfe3eb;border-radius:8px;padding:10px 11px;background:#fff;color:var(--text);font:inherit;outline:none}.input:focus,select:focus,textarea:focus{border-color:#8da5ff;box-shadow:0 0 0 3px #edf1ff}textarea{min-height:100px;resize:vertical}label{display:block;font-size:12px;font-weight:700;margin:0 0 7px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.form-group.full{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.badge{display:inline-block;padding:5px 8px;border-radius:20px;font-size:10px;font-weight:800}.badge-New{background:#eef2ff;color:#4054bf}.badge-Contacted{background:#edf7ff;color:#1769aa}.badge-Counselling-Scheduled{background:#fff5df;color:#9a650b}.badge-Follow-up{background:#f5edff;color:#7443a7}.badge-Converted{background:#e8f8f1;color:#087653}.badge-Not-Interested,.badge-Closed{background:#f3f4f6;color:#6b7280}
.actions-cell{display:flex;gap:6px}.icon-btn{padding:7px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:12px}.icon-btn:hover{background:#f6f8fc}
.alert{padding:12px 14px;border-radius:9px;margin-bottom:16px;font-size:13px}.alert-danger{background:#fff1f1;color:#9d2929;border:1px solid #ffd4d4}.alert-success{background:#ecfaf5;color:#087653;border:1px solid #ccefe1}.alert-warning{background:#fff8e8;color:#8a5a0a;border:1px solid #f7e4b7}
.eyebrow{font-size:10px;letter-spacing:1.5px;color:var(--primary);font-weight:800}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.detail-item{padding:15px;border-bottom:1px solid var(--line)}.detail-item label{color:var(--muted);margin-bottom:4px}.detail-item div{font-weight:600}.section-title{font-size:15px;font-weight:800;margin:22px 0 12px}
.auth-page{min-height:100vh;background:linear-gradient(135deg,#eef3ff,#f8fafc);display:grid;place-items:center;padding:20px}.auth-shell{width:min(430px,100%)}.auth-brand{display:flex;align-items:center;justify-content:center;gap:11px;margin-bottom:22px}.brand-title{font-weight:800;font-size:17px}.brand-subtitle{font-size:11px;color:var(--muted);margin-top:3px}.auth-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:0 15px 45px rgba(30,50,90,.08)}.auth-card h1{margin:7px 0 5px;font-size:25px}.auth-card form{margin-top:22px}.auth-card label{margin-top:14px}.login-note{text-align:center;color:#8a92a0;font-size:10px;margin-top:18px}
.empty{text-align:center;padding:45px;color:var(--muted)}.search-input{min-width:230px}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.sidebar{width:70px;padding:15px 8px}.sidebar-brand div:not(.brand-mark),.sidebar-brand span,.nav-section,.nav-link{font-size:0}.nav-link{text-align:center;padding:13px 5px}.nav-link:before{content:'•';font-size:18px}.sidebar-footer{display:none}.main-area{margin-left:70px;width:calc(100% - 70px)}.topbar{padding:0 15px}.profile>div:not(.avatar),.logout-link{display:none}.content{padding:18px}.grid-4,.grid-3,.grid-2,.form-grid,.detail-grid{grid-template-columns:1fr}.page-heading{align-items:flex-start;gap:12px;flex-direction:column}.table-toolbar{align-items:flex-start;flex-direction:column}.search-input{min-width:100%}}