:root{
  --bg:#f3f5f9;
  --panel:#ffffff;
  --line:#e5e7eb;
  --text:#1f2937;
  --muted:#64748b;
  --primary:#0f172a;
  --primary-soft:#18233d;
  --accent:#16a34a;
  --accent-soft:#ecfdf3;
  --warning:#d97706;
  --warning-soft:#fff7ed;
  --info:#2563eb;
  --info-soft:#eff6ff;
  --danger:#dc2626;
  --danger-soft:#fef2f2;
  --shadow:0 12px 30px rgba(15,23,42,.07);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}
.small,.text-muted,.muted{color:var(--muted)!important}

.app-shell{min-height:100vh;display:flex;background:var(--bg)}
.mobile-overlay{position:fixed;inset:0;background:rgba(15,23,42,.45);opacity:0;visibility:hidden;transition:.25s ease;z-index:999}
.mobile-overlay.show{opacity:1;visibility:visible}
.sidebar{width:248px;background:#fff;color:var(--text);padding:18px 16px;position:fixed;left:0;top:0;bottom:0;overflow-y:auto;z-index:1000;transition:transform .25s ease;border-right:1px solid var(--line)}
.sidebar-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.brand{display:flex;gap:12px;align-items:center;padding:8px 6px 18px;border-bottom:1px solid var(--line);margin-bottom:14px;flex:1;min-width:0}
.brand-logo-side{width:44px;height:44px;border-radius:12px;object-fit:cover;background:#0f172a;padding:3px}
.brand-title{font-weight:800;line-height:1.1;font-size:1rem}
.brand-sub{font-size:12px;color:var(--muted)}
.sidebar-close{display:none;border:1px solid var(--line);background:#fff;color:var(--text);width:38px;height:38px;border-radius:10px;cursor:pointer}
.nav-menu{display:grid;gap:6px}
.nav-menu a{padding:11px 12px;border-radius:12px;display:flex;align-items:center;gap:10px;color:#334155;font-weight:700}
.nav-menu a:hover,.nav-menu a.active{background:#eef2ff;color:#0f172a}
.main-wrap{flex:1;margin-left:248px;display:flex;flex-direction:column;min-width:0}
.topbar{min-height:72px;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 20px;position:sticky;top:0;z-index:100}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:14px;min-width:0}
.topbar h1{font-size:1.45rem;margin:0 0 2px;font-weight:800}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:12px;width:42px;height:42px;font-size:18px;display:none;align-items:center;justify-content:center;cursor:pointer}
.user-box{display:flex;flex-direction:column;align-items:flex-end}
.content{padding:18px;min-width:0}
.page-shell{width:100%;max-width:1220px;margin:0 auto;display:grid;gap:18px;min-width:0}
.card,.section-card{background:var(--panel);border:1px solid var(--line)!important;border-radius:18px!important;box-shadow:var(--shadow)!important;overflow:hidden}
.card-header{background:#fff!important;border-bottom:1px solid var(--line)!important;padding:14px 16px!important;font-weight:800}
.card-body{padding:16px}
.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;margin-bottom:4px}
.page-title{font-size:1.65rem;font-weight:800;line-height:1.1;margin:0}
.page-subtitle{margin:.35rem 0 0;color:var(--muted);max-width:760px}
.metric-inline,.flex-inline{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center}
.chip{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .8rem;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:.8rem;font-weight:700;color:#334155}
.chip.warn{background:var(--warning-soft);color:var(--warning);border-color:#fed7aa}
.badge-soft{display:inline-flex;align-items:center;border-radius:999px;padding:.44rem .74rem;font-weight:800;font-size:.74rem}
.badge-soft.success{background:#e9f9ef;color:#166534}
.badge-soft.warning{background:var(--warning-soft);color:#9a6700}
.badge-soft.danger{background:var(--danger-soft);color:#991b1b}
.badge-soft.info{background:var(--info-soft);color:#1d4ed8}
.badge-soft.dark{background:#eef2f7;color:#0f172a}

/* dashboard */
.dash-grid-top{display:grid;grid-template-columns:1.45fr .95fr;gap:18px}
.dash-summary{padding:22px;background:linear-gradient(135deg,#0f172a,#1e3a5f)!important;color:#fff;border:none!important}
.dash-summary .page-title{font-size:2rem;color:#fff;margin-top:.35rem}
.dash-summary .page-subtitle{color:#d6deea}
.quick-chip-wrap{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.dash-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.metric-card{padding:18px}
.metric-card .label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:800;margin-bottom:.35rem}
.metric-card .value{font-size:1.5rem;font-weight:800;line-height:1.1;margin-bottom:.2rem}
.metric-card .meta{font-size:.9rem;color:var(--muted)}
.metric-card.highlight{background:#fff;border:1px solid var(--line);border-radius:18px}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.section-head h3{margin:0;font-size:1.05rem;font-weight:800}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-card{padding:18px;height:100%}
.stat-label{color:var(--muted);font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;font-weight:800;margin-bottom:.45rem}
.stat-value{font-size:2rem;line-height:1.05;font-weight:800;margin-bottom:.35rem}
.stat-meta{font-size:.95rem;color:var(--muted)}
.trend{display:inline-flex;align-items:center;gap:.35rem;padding:.38rem .65rem;border-radius:999px;font-size:.76rem;font-weight:800;margin-top:12px}
.trend.up{background:#e9f9ef;color:#166534}
.trend.warn{background:#fff7e6;color:#9a6700}
.trend.info{background:#eff6ff;color:#1d4ed8}
.summary-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.list-card-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-card-item:last-child{border-bottom:0;padding-bottom:0}
.table{margin-bottom:0}
.table>:not(caption)>*>*{padding:.85rem .85rem;border-color:var(--line)!important;vertical-align:middle}
.table thead th{background:#f8fafc;color:var(--muted);font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;font-weight:800}
.table tbody tr:hover{background:#fbfcfe}
.form-control,.form-select,textarea.form-control{min-height:44px;border-radius:12px;border:1px solid #d7dce5;background:#fff;box-shadow:none!important}
.form-control:focus,.form-select:focus,textarea.form-control:focus{border-color:#93c5fd;box-shadow:0 0 0 .2rem rgba(37,99,235,.12)!important}
.form-label{font-weight:700;color:#344054;font-size:.9rem}
.btn{border-radius:12px;padding:.68rem 1rem;font-weight:700}
.btn-sm{border-radius:10px;padding:.44rem .76rem}
.btn-dark{background:var(--primary);border-color:var(--primary)}
.btn-dark:hover{background:#111827;border-color:#111827}
.btn-success{background:var(--accent);border-color:var(--accent)}
.btn-light{background:#fff;border-color:var(--line)}
.empty-state{padding:2rem!important;text-align:center;color:var(--muted)}
.chart-card canvas{max-height:280px}
.app-footer{margin-top:8px;padding:14px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:.92rem}

/* login */
.login-page{background:#eef2f7}
.login-wrap-outer{min-height:calc(100vh - 2rem);display:flex;align-items:center;justify-content:center}
.login-showcase-card{width:100%;max-width:980px;border-radius:22px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.login-showcase-panel{padding:24px;background:#f8fafc;color:#334155;display:flex;flex-direction:column;justify-content:center;height:100%;border-right:1px solid var(--line)}
.login-showcase-top h1{font-size:1.65rem;line-height:1.2;font-weight:800;color:#0f172a;max-width:420px;margin:.85rem 0}
.login-showcase-top p{font-size:.95rem;line-height:1.65;color:#64748b;max-width:450px;margin:0}
.login-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:22px}
.login-feature-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;min-height:96px}
.login-feature-box.wide{grid-column:1 / -1}
.login-feature-title{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:#166534;margin-bottom:.45rem}
.login-feature-text{font-size:.92rem;line-height:1.55;color:#475569}
.login-form-panel{padding:28px 32px;display:flex;flex-direction:column;justify-content:center;height:100%;background:#fff}
.login-logo{width:74px;height:74px;border-radius:18px;object-fit:cover;border:1px solid var(--line);padding:2px;background:#fff}
.login-brand-title{font-size:1.5rem;line-height:1.18;max-width:340px;margin-inline:auto}
.login-form-panel .form-control{min-height:48px;border-radius:14px}
.login-submit-btn{min-height:50px;border-radius:14px}

.settings-logo{width:110px;height:110px;object-fit:cover;border-radius:24px}
.receipt-card{max-width:980px;margin:auto}
.receipt-head{display:flex;justify-content:space-between;gap:1rem;align-items:flex-start;flex-wrap:wrap;padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px dashed var(--line)}
.receipt-brand{display:flex;gap:1rem;align-items:center}
.receipt-logo{width:78px;height:78px;border-radius:20px;object-fit:cover;background:#fff;padding:4px;border:1px solid var(--line)}
.receipt-title{font-size:1.55rem;font-weight:800;margin:0 0 .25rem}
.receipt-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.9rem;margin:1rem 0}
.receipt-meta .box{padding:.95rem;border-radius:16px;background:#f8fbff;border:1px solid var(--line)}
.receipt-meta .label{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;font-weight:800;color:var(--muted)}
.receipt-meta .value{font-size:1rem;font-weight:800;margin-top:.3rem}
.receipt-note{padding:1rem;border-radius:16px;background:#fbfdfd;border:1px dashed #cbd5e1;color:#475569}
.desktop-only{display:inline-flex}

@media (max-width: 991px){
  .mobile-overlay.show{display:block}
  .sidebar{transform:translateX(-105%)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-close{display:inline-flex;align-items:center;justify-content:center}
  .main-wrap{margin-left:0}
  .icon-btn{display:inline-flex}
  .dash-grid-top,.summary-grid,.stat-grid,.receipt-meta,.login-feature-grid{grid-template-columns:1fr}
  .dash-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .login-showcase-card{max-width:560px}
  .desktop-only{display:none}
  body.menu-open{overflow:hidden}
}
@media (max-width: 767px){
  .content{padding:12px}
  .page-shell{gap:14px}
  .topbar{padding:10px 14px}
  .topbar h1{font-size:18px}
  .topbar-right .chip,.topbar-right .user-box{display:none}
  .card-body,.card-header{padding:14px!important}
  .page-title{font-size:1.35rem}
  .dash-summary{padding:18px}
  .dash-summary .page-title{font-size:1.55rem}
  .dash-metrics,.stat-grid{grid-template-columns:1fr}
  .login-showcase-card{max-width:390px;border-radius:20px}
  .login-form-panel{padding:22px 18px}
  .login-logo{width:64px;height:64px}
  .login-brand-title{font-size:1.28rem;max-width:280px}
  .login-showcase-top h1{font-size:1.35rem}
  .login-showcase-panel{display:none}
}