/* ===== Admissions & Training Management System - Global Stylesheet ===== */
:root{
  --primary:#2563eb; --primary-dark:#1d4ed8; --sidebar:#0f172a; --sidebar-hover:#1e293b;
  --bg:#f1f5f9; --card:#ffffff; --text:#1e293b; --muted:#64748b; --border:#e2e8f0;
  --success:#16a34a; --warning:#d97706; --danger:#dc2626; --info:#0891b2;
  --radius:10px; --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
/* ===== Layout Zones ===== */
.zone-left{position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--sidebar);color:#cbd5e1;overflow-y:auto;z-index:100}
.zone-top{position:fixed;top:0;left:240px;right:0;height:60px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;z-index:90;box-shadow:var(--shadow)}
.zone-main{margin-left:240px;margin-top:60px;padding:24px;min-height:calc(100vh - 60px)}
/* ===== Sidebar ===== */
.sidebar-brand{padding:20px 20px;font-size:18px;font-weight:700;color:#fff;border-bottom:1px solid var(--sidebar-hover);display:flex;align-items:center;gap:10px}
.sidebar-brand span{font-size:22px}
.sidebar-nav{padding:12px 0}
.sidebar-group{padding:8px 20px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#64748b;font-weight:600}
.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;color:#cbd5e1;font-size:14px;transition:.15s}
.sidebar-nav a:hover{background:var(--sidebar-hover);color:#fff;text-decoration:none}
.sidebar-nav a.active{background:var(--primary);color:#fff}
/* ===== Topbar ===== */
.topbar-title{font-size:16px;font-weight:600}
.topbar-user{display:flex;align-items:center;gap:12px}
.topbar-user .avatar{width:36px;height:36px;border-radius:50%;object-fit:cover;background:var(--border)}
.topbar-user .uname{font-weight:600;font-size:13px}
.topbar-user .urole{font-size:11px;color:var(--muted)}
/* ===== Cards ===== */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}
.card-title{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.page-header h1{font-size:22px;font-weight:700}
/* ===== Stat cards ===== */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;border-left:4px solid var(--primary)}
.stat-card .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.stat-card .value{font-size:28px;font-weight:700;margin-top:6px}
.stat-card.green{border-left-color:var(--success)}
.stat-card.orange{border-left-color:var(--warning)}
.stat-card.red{border-left-color:var(--danger)}
.stat-card.info{border-left-color:var(--info)}
/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:8px;border:none;background:var(--primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:.15s;text-decoration:none}
.btn:hover{background:var(--primary-dark);text-decoration:none}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{background:var(--bg)}
.btn-danger{background:var(--danger)}
.btn-danger:hover{background:#b91c1c}
.btn-success{background:var(--success)}
/* ===== Tables ===== */
.table-wrap{overflow-x:auto}
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data th{text-align:left;padding:12px;background:var(--bg);color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border)}
table.data td{padding:12px;border-bottom:1px solid var(--border)}
table.data tr:hover td{background:#f8fafc}
/* ===== Badges ===== */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600}
.badge-new{background:#dbeafe;color:#1e40af}
.badge-progress{background:#fef3c7;color:#92400e}
.badge-converted{background:#dcfce7;color:#166534}
.badge-cancelled{background:#fee2e2;color:#991b1b}
.badge-paid{background:#dcfce7;color:#166534}
.badge-partial{background:#fef3c7;color:#92400e}
.badge-unpaid{background:#fee2e2;color:#991b1b}
.badge-present{background:#dcfce7;color:#166534}
.badge-absent{background:#fee2e2;color:#991b1b}
.badge-late{background:#fef3c7;color:#92400e}
.badge-active{background:#dbeafe;color:#1e40af}
/* ===== Forms ===== */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.form-control{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;transition:.15s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
textarea.form-control{min-height:100px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-error{color:var(--danger);font-size:12px;margin-top:4px}
.form-actions{display:flex;gap:10px;margin-top:20px}
/* ===== Filter bar ===== */
.filter-bar{display:flex;gap:12px;flex-wrap:wrap;align-items:flex-end;margin-bottom:20px}
.filter-bar .form-group{margin-bottom:0}
.filter-bar .form-control{min-width:150px}
/* ===== Empty state ===== */
.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-state .icon{font-size:48px;margin-bottom:12px}
/* ===== Auth pages ===== */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb);padding:20px}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.2);padding:40px;width:100%;max-width:420px}
.auth-card h2{font-size:24px;margin-bottom:8px;text-align:center}
.auth-card .sub{text-align:center;color:var(--muted);margin-bottom:28px;font-size:13px}
.auth-links{text-align:center;margin-top:18px;font-size:13px}
/* ===== Chart ===== */
.chart-wrap{position:relative;height:280px}
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:240px;padding-top:20px}
.bar-chart .bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;min-width:0}
.bar-chart .bar{width:100%;max-width:48px;background:var(--primary);border-radius:6px 6px 0 0;transition:.3s;min-height:2px}
.bar-chart .bar-label{font-size:10px;color:var(--muted);white-space:nowrap;transform:rotate(-35deg);transform-origin:center}
.bar-chart .bar-val{font-size:10px;font-weight:600}
/* ===== Detail grid ===== */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.detail-item{padding:12px;background:var(--bg);border-radius:8px}
.detail-item .dlabel{font-size:11px;color:var(--muted);text-transform:uppercase}
.detail-item .dvalue{font-size:15px;font-weight:600;margin-top:4px}
/* ===== Tabs ===== */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px}
.tabs .tab{padding:10px 18px;cursor:pointer;font-weight:600;font-size:13px;color:var(--muted);border-bottom:2px solid transparent}
.tabs .tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-panel{display:none}
.tab-panel.active{display:block}
/* ===== Responsive ===== */
@media(max-width:1024px){
  .zone-left{width:200px}.zone-top{left:200px}.zone-main{margin-left:200px}
  .form-row,.detail-grid{grid-template-columns:1fr}
}
@media(max-width:768px){
  .zone-left{transform:translateX(-100%);transition:.3s;width:240px}
  .zone-left.open{transform:translateX(0)}
  .zone-top{left:0}.zone-main{margin-left:0}
  .menu-toggle{display:inline-flex!important}
  .stat-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .stat-grid{grid-template-columns:1fr}
  .zone-main{padding:16px}
  .page-header{flex-direction:column;align-items:flex-start}
}
.menu-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--text)}

/* ===== Modal (CRUD forms) ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:flex-start;justify-content:center;z-index:500;overflow-y:auto;padding:40px 16px}
.modal-overlay.show{display:flex}
.modal{background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.3);width:100%;max-width:560px;animation:modalIn .2s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:17px}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:var(--muted);line-height:1}
.modal-body{padding:22px}
.modal-foot{display:flex;gap:10px;justify-content:flex-end;padding:16px 22px;border-top:1px solid var(--border)}
.modal-wide{max-width:760px}