:root{
  --brand:#e53935;
  --brand-dark:#b71c1c;
  --sidebar:#111827;
  --sidebar-soft:#1f2937;
  --text:#111827;
  --muted:#6b7280;
  --bg:#f5f7fb;
  --card:#ffffff;
  --border:#e5e7eb;
  --success:#16a34a;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,var(--sidebar) 0%, #0f172a 100%);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto;transition:width .25s ease,padding .25s ease,left .25s ease}
.app-shell.sidebar-mini .sidebar{width:92px;padding-inline:12px}
.brand-wrap{display:flex;align-items:center;gap:12px;padding:8px 8px 20px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:16px}
.brand-logo{width:56px;height:56px;object-fit:contain;background:#fff;border-radius:16px;padding:6px;flex:0 0 auto}
.brand-title{font-weight:700;font-size:15px;line-height:1.2}
.brand-subtitle{font-size:12px;color:#cbd5e1}
.brand-copy{min-width:0}
.app-shell.sidebar-mini .brand-copy{display:none}
.side-nav .nav-link{color:#cbd5e1;border-radius:14px;padding:12px 14px;margin:4px 0;display:flex;align-items:center;gap:12px;white-space:nowrap;overflow:hidden}
.side-nav .nav-link i{font-size:1.1rem;min-width:22px;text-align:center}
.side-nav .nav-link:hover,.side-nav .nav-link.active{background:rgba(229,57,53,.18);color:#fff}
.app-shell.sidebar-mini .side-nav .nav-link{justify-content:center;padding-inline:10px}
.app-shell.sidebar-mini .side-nav .nav-link span{display:none}
.main-content{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;padding:18px 24px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}
.page-title{font-size:1.35rem;font-weight:700}
.topbar-user{display:flex;align-items:center;gap:10px;color:inherit;padding:6px 10px;border-radius:16px}
.topbar-user:hover{background:#f9fafb;color:inherit}
.topbar-user img,.profile-avatar-large{object-fit:cover;border:2px solid #fee2e2;background:#fff}
.topbar-user img{width:42px;height:42px;border-radius:50%}
.topbar-user-text{line-height:1.25}
.profile-avatar-large{width:110px;height:110px;border-radius:24px}
.profile-menu{min-width:220px}
.icon-btn{width:42px;height:42px;border-radius:14px;display:inline-grid;place-items:center}
.content-area{padding:24px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}
.stat-card,.card-soft{background:var(--card);border-radius:22px;padding:20px;box-shadow:0 8px 30px rgba(15,23,42,.05);border:1px solid var(--border)}
.stat-title{font-size:13px;color:var(--muted);margin-bottom:8px}
.stat-value{font-size:1.8rem;font-weight:800}
.stat-icon{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:#fef2f2;color:var(--brand);font-size:20px}
.stat-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}
.table-card{background:#fff;border-radius:22px;padding:18px;border:1px solid var(--border);box-shadow:0 8px 30px rgba(15,23,42,.04)}
.table thead th{font-size:12px;color:#6b7280;text-transform:uppercase;letter-spacing:.05em;border-bottom-width:1px}
.table tbody td{vertical-align:middle}
.badge-soft{display:inline-block;padding:6px 10px;border-radius:999px;background:#fef2f2;color:var(--brand-dark);font-size:12px;font-weight:700}
.form-card{background:#fff;border-radius:22px;padding:22px;border:1px solid var(--border);box-shadow:0 8px 30px rgba(15,23,42,.04)}
.form-control,.form-select{border-radius:14px;padding:.75rem .9rem;border-color:#d1d5db}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;border-radius:14px;padding:.75rem 1rem;font-weight:700}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.footer-bar{margin-top:auto;padding:16px 24px;background:#fff;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo-preview-wrap{display:flex;align-items:center;justify-content:center;background:#f9fafb;border:1px solid var(--border);border-radius:20px;padding:10px}
.logo-preview{width:82px;height:82px;object-fit:contain}
.login-shell{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:#fff}
.login-left{display:flex;align-items:center;justify-content:center;padding:30px;background:#fafafa}
.login-card{width:min(480px,100%);background:#fff;border-radius:28px;padding:34px;box-shadow:0 16px 48px rgba(15,23,42,.08);border:1px solid var(--border)}
.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.login-brand img{width:72px;height:72px;object-fit:contain}
.login-right{position:relative;min-height:100vh;background:url('../images/login-bg.jpg') center/cover no-repeat}
.login-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(17,24,39,.25),rgba(17,24,39,.45))}
.login-hero{position:absolute;left:36px;right:36px;bottom:36px;color:#fff;max-width:520px}
.hero-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);padding:8px 14px;border-radius:999px;margin-bottom:14px}
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.empty-state{padding:30px;border:1px dashed #d1d5db;border-radius:20px;text-align:center;color:#6b7280;background:#fcfcfd}
@media (max-width: 1100px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.login-shell{grid-template-columns:1fr}}
@media (max-width: 991px){.sidebar{position:fixed;left:-290px;z-index:30}.sidebar.show{left:0}.app-shell.sidebar-mini .sidebar{width:280px;padding-inline:16px}.app-shell.sidebar-mini .brand-copy,.app-shell.sidebar-mini .side-nav .nav-link span{display:block}.topbar{padding:16px}.content-area{padding:16px}}
@media (max-width: 700px){.stats-grid,.quick-grid{grid-template-columns:1fr}.login-left{padding:16px}.login-card{padding:22px}.topbar{align-items:flex-start;flex-wrap:wrap}.footer-bar{padding:14px 16px}.topbar-user-text{display:none}}


/* Version 3 additions */
.chart-card{background:#fff;border:1px solid var(--border);border-radius:24px;padding:20px;box-shadow:0 12px 28px rgba(15,23,42,.06)}
.notification-list{display:grid;gap:12px}
.notice{padding:12px 14px;border-radius:16px;border:1px solid var(--border);background:#f9fafb}
.notice-warning{background:#fff7ed;border-color:#fdba74}
.notice-danger{background:#fef2f2;border-color:#fca5a5}
.notice-info{background:#eff6ff;border-color:#93c5fd}
.table-actions{display:flex;gap:8px;flex-wrap:wrap}
.mini-user{width:38px;height:38px;border-radius:50%;object-fit:cover}
.receipt-body{background:#eef2ff;padding:24px}
.receipt-page{max-width:880px;margin:0 auto;background:#fff;border-radius:28px;padding:28px;box-shadow:0 20px 40px rgba(15,23,42,.08)}
.receipt-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;border-bottom:1px solid var(--border);padding-bottom:18px;margin-bottom:18px}
.receipt-brand{display:flex;gap:16px;align-items:center}
.receipt-brand img{width:76px;height:76px;object-fit:contain;background:#fff;border:1px solid var(--border);border-radius:18px;padding:8px}
.receipt-brand h2{margin:0 0 4px;font-size:24px}
.receipt-meta{text-align:right}
.receipt-chip{display:inline-block;padding:8px 12px;border-radius:999px;background:#111827;color:#fff;font-size:12px;font-weight:700;margin-bottom:8px}
.receipt-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:20px}
.receipt-box{background:#f9fafb;border:1px solid var(--border);border-radius:18px;padding:16px}
.receipt-box h4{margin:0 0 10px;font-size:16px}
.receipt-table{width:100%;border-collapse:collapse;margin-top:12px}
.receipt-table th,.receipt-table td{padding:12px;border-bottom:1px solid var(--border);text-align:left}
.receipt-summary{max-width:320px;margin-left:auto;margin-top:20px;display:grid;gap:12px}
.receipt-summary div{display:flex;justify-content:space-between;padding:12px 14px;border-radius:16px;background:#f9fafb;border:1px solid var(--border)}
.receipt-footer{margin-top:24px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.print-btn{border:none;background:var(--brand);color:#fff;border-radius:14px;padding:12px 18px;font-weight:700}
@media print{
  .print-btn{display:none}
  .receipt-body{background:#fff;padding:0}
  .receipt-page{box-shadow:none;max-width:none;border-radius:0}
}
@media (max-width: 991px){
  .receipt-grid{grid-template-columns:1fr}
  .receipt-head,.receipt-footer{flex-direction:column;align-items:flex-start}
  .receipt-meta{text-align:left}
}