/* ============================================================
   Chargeback Tracker — premium fintech design system
   Light mode, gold accent. Tokens first so dark mode is a
   future toggle (override :root under [data-theme="dark"]).
   ============================================================ */
:root{
  --gold:#C6922E; --gold-600:#A9791F; --gold-soft:#FBF3E2; --gold-ring:rgba(198,146,46,.28);
  --bg:#F8F9FB; --card:#FFFFFF; --text:#111827; --muted:#6B7280; --faint:#9CA3AF;
  --success:#10B981; --success-soft:#E7F7F1; --success-700:#067A55;
  --danger:#EF4444;  --danger-soft:#FDECEC;  --danger-700:#B42318;
  --warning:#F59E0B; --warning-soft:#FEF3E2; --warning-700:#B45309;
  --blue:#3B82F6;    --blue-soft:#E8F0FE;    --blue-700:#1D4ED8;
  --purple:#8B5CF6;  --purple-soft:#F1ECFD;  --purple-700:#6D28D9;
  --orange:#F97316;  --orange-soft:#FEEDE0;  --orange-700:#C2410C;
  --gray:#6B7280;    --gray-soft:#F1F2F4;    --gray-700:#374151;
  --border:#E5E7EB; --border-soft:#EEF0F3;
  --radius:14px; --radius-sm:10px; --radius-pill:999px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 4px 10px rgba(16,24,40,.06),0 2px 4px rgba(16,24,40,.04);
  --shadow-lg:0 12px 28px rgba(16,24,40,.10);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'SFMono-Regular',ui-monospace,Menlo,Consolas,monospace;
  --side-w:248px; --side-w-collapsed:76px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--sans);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--gold-600);text-decoration:none}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em}
.muted{color:var(--muted)}

/* ---------------- Login ---------------- */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:
  radial-gradient(1200px 500px at 50% -10%,#fff,transparent),var(--bg)}
.login-card{background:var(--card);padding:40px;border-radius:18px;width:380px;box-shadow:var(--shadow-lg);border:1px solid var(--border)}
.login-card h1{font-size:22px;margin:14px 0 22px}
.login-card label{display:block;font-size:13px;color:var(--muted);font-weight:500;margin-bottom:16px}
.login-card input{width:100%;margin-top:7px;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:15px;font-family:inherit}
.login-card input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-ring)}
.login-card button{width:100%;padding:12px;border:0;border-radius:var(--radius-sm);background:var(--gold);color:#fff;font-size:15px;font-weight:600;cursor:pointer;margin-top:6px}
.login-card button:hover{background:var(--gold-600)}
.form-error{background:var(--danger-soft);color:var(--danger-700);padding:10px 12px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:4px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.02em}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--gold);color:#fff;display:grid;place-items:center;flex-shrink:0;box-shadow:0 2px 6px var(--gold-ring)}
.brand .mark svg{width:18px;height:18px}

/* ---------------- Shell ---------------- */
.shell{display:flex;min-height:100vh}
.side{width:var(--side-w);background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;transition:width .22s ease;flex-shrink:0;z-index:40}
.side-head{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;height:64px}
.side-head .brand-text{overflow:hidden;white-space:nowrap;transition:opacity .15s}
.side nav{display:flex;flex-direction:column;gap:3px;padding:10px 12px;flex:1;overflow-y:auto}
.side nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--muted);
  font-weight:500;font-size:14px;position:relative;transition:background .15s,color .15s}
.side nav a svg{width:19px;height:19px;flex-shrink:0}
.side nav a span{white-space:nowrap;overflow:hidden;transition:opacity .15s}
.side nav a:hover{background:var(--gray-soft);color:var(--text)}
.side nav a.on{background:var(--gold-soft);color:var(--gold-600)}
.side nav a.on::before{content:"";position:absolute;left:-12px;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:var(--gold)}
.side-foot{padding:12px;border-top:1px solid var(--border-soft)}
.side-foot .user{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm)}
.side-foot .avatar{width:32px;height:32px;border-radius:50%;background:var(--gold-soft);color:var(--gold-600);display:grid;place-items:center;font-weight:600;font-size:13px;flex-shrink:0}
.side-foot .user .meta{overflow:hidden;white-space:nowrap}
.side-foot .user .meta small{color:var(--faint);font-size:11px;display:block}
.side-foot a.signout{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--muted);font-weight:500;margin-top:4px}
.side-foot a.signout:hover{background:var(--danger-soft);color:var(--danger-700)}
.side-foot a.signout svg{width:19px;height:19px}

/* collapsed */
body.collapsed .side{width:var(--side-w-collapsed)}
body.collapsed .side .brand-text,body.collapsed .side nav a span,body.collapsed .side-foot .meta{opacity:0;width:0;pointer-events:none}
body.collapsed .side nav a{justify-content:center}
body.collapsed .side-foot .user{justify-content:center}

/* ---------------- Main / topbar ---------------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:64px;display:flex;align-items:center;gap:14px;padding:0 28px;background:rgba(248,249,251,.8);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.icon-btn{width:38px;height:38px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--card);
  display:grid;place-items:center;cursor:pointer;color:var(--muted);transition:.15s}
.icon-btn:hover{background:var(--gray-soft);color:var(--text)}
.icon-btn svg{width:18px;height:18px}
.topbar .spacer{flex:1}
.hotelswitch{display:flex;align-items:center;gap:9px}
.hotelswitch label{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.select-wrap{position:relative}
.select-wrap svg{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted);pointer-events:none}
select,.hotelswitch select{appearance:none;padding:9px 34px 9px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--card);font-family:inherit;font-size:14px;color:var(--text);cursor:pointer}
select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-ring)}
.content{padding:28px;max-width:1500px;width:100%;margin:0 auto}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-title{font-size:26px}
.page-sub{color:var(--muted);font-size:14px;margin-top:4px}

/* ---------------- Buttons ---------------- */
.btn,.btn-primary,.btn-ghost,button[type=submit]{font-family:inherit;font-size:14px;font-weight:600;border-radius:var(--radius-sm);
  padding:10px 16px;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;transition:.15s;white-space:nowrap}
.btn-primary,button[type=submit]{background:var(--gold);color:#fff}
.btn-primary:hover,button[type=submit]:hover{background:var(--gold-600)}
.btn-primary svg,.btn-ghost svg,.btn svg{width:16px;height:16px}
.btn-ghost,.btn{background:var(--card);color:var(--text);border-color:var(--border)}
.btn-ghost:hover,.btn:hover{background:var(--gray-soft)}
.btn-danger{background:var(--danger-soft);color:var(--danger-700);border-color:transparent}
.btn-danger:hover{background:#fbdcdc}
button[disabled]{opacity:.6;cursor:default}
.link{color:var(--gold-600);font-weight:600}
.link-danger{color:var(--danger);background:none;border:0;cursor:pointer;font-weight:600;font-size:14px}

/* ---------------- Cards ---------------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card h2{font-size:15px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card h2 svg{width:17px;height:17px;color:var(--muted)}

/* ---------------- KPI cards ---------------- */
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-bottom:20px}
.kpi-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px;display:flex;flex-direction:column;gap:10px;transition:transform .15s,box-shadow .15s}
.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.kpi-top{display:flex;align-items:center;justify-content:space-between}
.kpi-ic{width:38px;height:38px;border-radius:11px;background:var(--gold-soft);color:var(--gold-600);display:grid;place-items:center}
.kpi-ic svg{width:19px;height:19px}
.kpi-trend{display:inline-flex;align-items:center;gap:3px;font-size:12px;font-weight:600;padding:3px 8px;border-radius:var(--radius-pill)}
.kpi-trend svg{width:13px;height:13px}
.kpi-trend.good{background:var(--success-soft);color:var(--success-700)}
.kpi-trend.bad{background:var(--danger-soft);color:var(--danger-700)}
.kpi-trend.flat{background:var(--gray-soft);color:var(--gray-700)}
.kpi-label{color:var(--muted);font-size:13px;font-weight:500}
.kpi-val{font-size:26px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi-val.debit{color:var(--danger)}.kpi-val.credit{color:var(--success)}
.kpi-spark{height:38px;margin-top:-2px}

.grid2{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.chart-box{position:relative;height:300px}
.chart-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted);margin-bottom:6px}
.chart-legend span{display:flex;align-items:center;gap:6px}
.chart-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}

/* ---------------- Toolbar (list page) ---------------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.search{position:relative;flex:1;min-width:220px;max-width:360px}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.search input{width:100%;padding:10px 12px 10px 38px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:14px;background:var(--card)}
.search input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-ring)}
.toolbar .grow{flex:1}
.bulkbar{display:none;align-items:center;gap:12px;background:var(--gold-soft);border:1px solid var(--gold-ring);
  border-radius:var(--radius-sm);padding:8px 14px;margin-bottom:14px;font-size:13px;font-weight:500;color:var(--gold-600)}
.bulkbar.show{display:flex}

/* ---------------- Data grid ---------------- */
.grid-wrap{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.grid-scroll{overflow-x:auto}
table.grid{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}
table.grid thead th{position:sticky;top:0;background:#FBFBFC;text-align:left;color:var(--muted);font-weight:600;
  font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:12px 14px;border-bottom:1px solid var(--border);white-space:nowrap;z-index:2}
table.grid th.sortable{cursor:pointer;user-select:none}
table.grid th.sortable:hover{color:var(--text)}
table.grid th .sort-ic{display:inline-block;width:12px;opacity:.45;vertical-align:middle}
table.grid th.asc .sort-ic::after{content:"▲";font-size:8px}
table.grid th.desc .sort-ic::after{content:"▼";font-size:8px}
table.grid td{padding:13px 14px;border-bottom:1px solid var(--border-soft);vertical-align:middle;white-space:nowrap}
table.grid tbody tr{transition:background .12s}
table.grid tbody tr:hover{background:#FCFAF5}
table.grid tbody tr:last-child td{border-bottom:0}
.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.debit{color:var(--danger)}.credit{color:var(--success);font-weight:600}
.reason-clip{display:inline-block;max-width:230px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom}
.col-check{width:42px;text-align:center}
.col-check input{width:16px;height:16px;accent-color:var(--gold);cursor:pointer}
table.grid tfoot td{padding:13px 14px;font-weight:700;background:#FBFBFC;border-top:1px solid var(--border);font-family:var(--mono)}
table.grid tfoot td:first-child{font-family:var(--sans)}
.empty-cell{padding:48px;text-align:center;color:var(--muted)}
.empty{padding:48px;text-align:center;color:var(--muted);background:var(--card);border:1px dashed var(--border);border-radius:var(--radius)}

/* ---------------- Badges ---------------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:600;white-space:nowrap}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.badge.amber{background:var(--warning-soft);color:var(--warning-700)}
.badge.blue{background:var(--blue-soft);color:var(--blue-700)}
.badge.green{background:var(--success-soft);color:var(--success-700)}
.badge.red{background:var(--danger-soft);color:var(--danger-700)}
.badge.purple{background:var(--purple-soft);color:var(--purple-700)}
.badge.orange{background:var(--orange-soft);color:var(--orange-700)}
.badge.gray{background:var(--gray-soft);color:var(--gray-700)}
.status-text{color:var(--muted);font-size:12.5px}
.rmd{display:flex;gap:3px}
.rmd b{width:18px;height:18px;line-height:18px;text-align:center;border-radius:50%;background:var(--gold-soft);color:var(--gold-600);font-size:10px;font-weight:600;display:inline-block}

/* pagination */
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;border-top:1px solid var(--border);font-size:13px;color:var(--muted);flex-wrap:wrap}
.pager .pages{display:flex;gap:4px}
.pager button{padding:6px 11px;border:1px solid var(--border);background:var(--card);border-radius:8px;font-size:13px;cursor:pointer;color:var(--text);font-weight:500}
.pager button:hover:not(:disabled){background:var(--gray-soft)}
.pager button.active{background:var(--gold);color:#fff;border-color:var(--gold)}
.pager button:disabled{opacity:.45;cursor:default}

/* ---------------- Forms ---------------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
.form-section{grid-column:1/3;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--faint);
  padding-top:6px;border-top:1px solid var(--border-soft);margin-top:6px}
.form-section:first-child{border-top:0;margin-top:0;padding-top:0}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/3}
.field label{font-size:13px;font-weight:600;color:var(--text)}
.field .hint{font-size:12px;color:var(--faint);font-weight:400}
.field input,.field select{padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:14px;color:var(--text);background:var(--card);width:100%}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%236B7280' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-ring)}
.field input:invalid:not(:placeholder-shown){border-color:var(--danger)}
.form-actions{grid-column:1/3;display:flex;gap:12px;align-items:center;padding-top:8px;border-top:1px solid var(--border-soft);margin-top:6px}
.rowform{display:flex;gap:12px;flex-wrap:wrap}
.rowform input{flex:1;min-width:160px;padding:11px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:14px}
.rowform input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--gold-ring)}
.spinner{width:15px;height:15px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* mobile */
.scrim{display:none}
@media(max-width:1100px){.kpis{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:1fr}}
@media(max-width:820px){
  .side{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .22s;box-shadow:var(--shadow-lg)}
  body.nav-open .side{transform:translateX(0)}
  body.nav-open .scrim{display:block;position:fixed;inset:0;background:rgba(17,24,39,.4);z-index:35}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}.field.full,.form-section,.form-actions{grid-column:1}
  .content{padding:18px}
}
@media(max-width:520px){.kpis{grid-template-columns:1fr}}