:root{
  --bg:#1c1e22; --panel:#24272c; --panel-raised:#2b2f35; --edge:#3a3e45; --edge-soft:#33363c;
  --ink:#ece8e0; --ink-dim:#9ea1a8; --ink-faint:#6b6e75;
  --amber:#e8a33d; --amber-ink:#1c1e22; --teal:#4f9d97; --red:#d9645d; --green:#7fae6f;
  --font-head:'Archivo',sans-serif; --font-body:'IBM Plex Sans',sans-serif; --font-mono:'IBM Plex Mono',monospace;
}

/* Light theme — same variables, different values. Toggle in the topbar; remembered per browser. */
:root[data-theme="light"]{
  --bg:#f4f2ee; --panel:#ffffff; --panel-raised:#faf8f4; --edge:#dcd8d0; --edge-soft:#e8e4dc;
  --ink:#1f2126; --ink-dim:#5b5f68; --ink-faint:#8b8f98;
  --amber:#c9841a; --amber-ink:#ffffff; --teal:#2f7f79; --red:#c2463f; --green:#4f8a3f;
}
:root[data-theme="light"] body{ background-image:radial-gradient(circle at 1px 1px, rgba(0,0,0,0.05) 1px, transparent 0); }
:root[data-theme="light"] .badge-type{ background:rgba(0,0,0,0.06); }
:root[data-theme="light"] .perm-pill{ background:rgba(0,0,0,0.06); }
:root[data-theme="light"] tbody tr:hover td{ background:rgba(0,0,0,0.025); }
:root[data-theme="light"] .landing-hero{ background-image:radial-gradient(circle at 1px 1px, rgba(0,0,0,0.05) 1px, transparent 0); }
*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{ background:var(--bg); color:var(--ink); font-family:var(--font-body); min-height:100vh; font-size:14px;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,0.035) 1px, transparent 0); background-size:22px 22px; }
.wrap{ max-width:1160px; margin:0 auto; padding:20px 18px 80px; }

.topbar{ display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; padding-bottom:14px; margin-bottom:16px; border-bottom:1px solid var(--edge); }
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:34px; height:34px; border-radius:7px; background:var(--amber); color:var(--amber-ink); display:flex; align-items:center; justify-content:center; font-family:var(--font-head); font-weight:800; font-size:16px; }
.brand-name{ font-family:var(--font-head); font-weight:700; font-size:19px; }
.brand-sub{ color:var(--ink-faint); font-size:12.5px; margin-top:1px; }
.who{ display:flex; align-items:center; gap:10px; font-size:13px; color:var(--ink-dim); flex-wrap:wrap; }
.who b{ color:var(--ink); font-weight:600; }
.role-pill{ font-family:var(--font-mono); font-size:11px; padding:3px 8px; border-radius:4px; border:1px solid var(--edge); color:var(--amber); background:rgba(232,163,61,0.08); }
.logout-link{ color:var(--ink-faint); font-size:12.5px; cursor:pointer; text-decoration:underline; text-underline-offset:2px; background:none; border:none; font-family:inherit; padding:0; }
.logout-link:hover{ color:var(--ink); }

.stores{ display:flex; gap:8px; margin-bottom:12px; flex-wrap:wrap; }
.store-tab{ flex:1; min-width:140px; text-align:left; cursor:pointer; background:var(--panel); border:1px solid var(--edge); border-radius:8px; padding:11px 14px; color:var(--ink-dim); font-family:var(--font-body); position:relative; transition:border-color .15s, background .15s; }
.store-tab .st-name{ font-family:var(--font-head); font-weight:700; font-size:14.5px; color:var(--ink); }
.store-tab .st-detail{ font-size:12px; margin-top:2px; color:var(--ink-faint); }
.store-tab.active{ border-color:var(--amber); background:var(--panel-raised); }
.store-tab.active::before{ content:""; position:absolute; left:0; top:9px; bottom:9px; width:3px; background:var(--amber); border-radius:0 2px 2px 0; }

.content-tabs{ display:flex; gap:4px; margin-bottom:18px; border-bottom:1px solid var(--edge); overflow-x:auto; }
.content-tab{ cursor:pointer; background:none; border:none; color:var(--ink-faint); font-family:var(--font-body); font-size:13.5px; font-weight:500; padding:9px 4px; margin-right:18px; position:relative; white-space:nowrap; }
.content-tab.active{ color:var(--ink); }
.content-tab.active::after{ content:""; position:absolute; left:0; right:0; bottom:-1px; height:2px; background:var(--amber); }

.panel{ background:var(--panel); border:1px solid var(--edge); border-radius:10px; padding:16px 18px 18px; margin-bottom:16px; }
.panel-head{ display:flex; align-items:baseline; justify-content:space-between; margin-bottom:12px; gap:10px; flex-wrap:wrap; }
.panel-title{ font-family:var(--font-head); font-weight:700; font-size:15.5px; }
.panel-note{ color:var(--ink-faint); font-size:12px; }
.collapse-btn{ background:none; border:none; color:var(--amber); cursor:pointer; font-family:inherit; font-size:12.5px; padding:0; text-decoration:underline; text-underline-offset:2px; }

.form-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(160px, 1fr)); gap:11px; }
.field{ display:flex; flex-direction:column; gap:5px; }
.field label{ font-size:12px; color:var(--ink-dim); }
.field input, .field select, .field textarea{ background:var(--bg); border:1px solid var(--edge); border-radius:6px; padding:8px 10px; color:var(--ink); font-family:var(--font-body); font-size:13.5px; width:100%; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:2px solid var(--amber); outline-offset:1px; border-color:var(--amber); }
.field.full{ grid-column:1 / -1; }
.form-actions{ grid-column:1 / -1; display:flex; justify-content:flex-end; gap:8px; margin-top:2px; }

.btn{ font-family:var(--font-body); font-weight:600; font-size:13px; padding:8px 14px; border-radius:6px; border:1px solid transparent; cursor:pointer; transition:filter .1s; white-space:nowrap; text-decoration:none; display:inline-block; }
.btn:hover{ filter:brightness(1.08); }
.btn:disabled{ opacity:.4; cursor:not-allowed; }
.btn-primary{ background:var(--amber); color:var(--amber-ink); }
.btn-ghost{ background:transparent; border-color:var(--edge); color:var(--ink-dim); }
.btn-ghost:hover{ color:var(--ink); border-color:var(--ink-faint); }
.btn-danger{ background:transparent; border-color:var(--red); color:var(--red); }
.btn-small{ padding:5px 10px; font-size:12px; }
.row-actions{ display:flex; gap:5px; flex-wrap:wrap; }
.mode-toggle{ display:flex; gap:6px; }
.mode-toggle .btn.active{ background:var(--panel-raised); color:var(--ink); border-color:var(--amber); }

.toolbar{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr 1fr; gap:9px; margin-bottom:12px; }
.toolbar input, .toolbar select{ background:var(--bg); border:1px solid var(--edge); border-radius:6px; padding:8px 10px; color:var(--ink); font-family:var(--font-body); font-size:13px; width:100%; }
.toolbar input:focus, .toolbar select:focus{ outline:2px solid var(--amber); outline-offset:1px; }
.result-count{ color:var(--ink-faint); font-size:12px; margin-bottom:8px; }

table{ width:100%; border-collapse:collapse; }
thead th{ text-align:left; font-size:11.5px; color:var(--ink-faint); font-weight:600; padding:0 10px 8px; border-bottom:1px solid var(--edge); white-space:nowrap; }
tbody td{ padding:10px; border-bottom:1px solid var(--edge-soft); font-size:13.5px; vertical-align:middle; }
tbody tr:hover td{ background:rgba(255,255,255,0.02); }
tbody tr:last-child td{ border-bottom:none; }
.item-name{ font-weight:600; }
.item-sub{ color:var(--ink-dim); font-size:12.5px; margin-top:1px; }
.mono{ font-family:var(--font-mono); font-size:12.5px; }
.num{ font-family:var(--font-mono); font-weight:600; }
.badge{ font-family:var(--font-mono); font-size:11px; padding:3px 8px; border-radius:4px; display:inline-block; white-space:nowrap; }
.badge-ok{ background:rgba(127,174,111,0.15); color:var(--green); }
.badge-low{ background:rgba(232,163,61,0.15); color:var(--amber); }
.badge-out{ background:rgba(217,100,93,0.15); color:var(--red); }
.badge-sold{ background:rgba(79,157,151,0.18); color:var(--teal); }
.badge-transfer{ background:rgba(181,126,232,0.18); color:#b57ee8; }
.badge-type{ background:rgba(255,255,255,0.06); color:var(--ink-dim); }
.empty-row td{ text-align:center; color:var(--ink-faint); padding:26px 10px; font-size:13px; }
.table-scroll{ overflow-x:auto; }

.count-input{ width:84px; text-align:center; }
.var-pos{ color:var(--green); } .var-neg{ color:var(--red); } .var-zero{ color:var(--ink-faint); }
.bulk-table td{ padding:5px 4px; }
.bulk-table input, .bulk-table select{ background:var(--bg); border:1px solid var(--edge); border-radius:5px; padding:6px 7px; color:var(--ink); font-family:var(--font-body); font-size:12.5px; width:100%; min-width:80px; }
.sticky-save{ position:sticky; bottom:0; background:var(--panel); padding:12px 0 2px; border-top:1px solid var(--edge); display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap; margin-top:8px; }

.stats-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(150px, 1fr)); gap:10px; }
.stat-card{ background:var(--panel-raised); border:1px solid var(--edge); border-radius:8px; padding:12px 14px; }
.stat-num{ font-family:var(--font-head); font-weight:800; font-size:24px; line-height:1; }
.stat-num.good{ color:var(--green); } .stat-num.bad{ color:var(--red); }
.stat-label{ color:var(--ink-dim); font-size:12px; margin-top:6px; }
.stat-sub{ color:var(--ink-faint); font-size:11px; margin-top:3px; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }

.modal-backdrop{ position:fixed; inset:0; background:rgba(10,10,10,0.6); display:none; align-items:center; justify-content:center; padding:20px; z-index:20; }
.modal-backdrop.open{ display:flex; }
.modal{ width:100%; max-width:420px; max-height:92vh; overflow-y:auto; background:var(--panel-raised); border:1px solid var(--edge); border-radius:10px; padding:20px; }
.modal.wide{ max-width:640px; }
.modal h3{ font-family:var(--font-head); font-size:15.5px; margin:0 0 4px; }
.modal .sub{ color:var(--ink-faint); font-size:12.5px; margin-bottom:14px; }
.modal .field{ margin-bottom:11px; }
.modal-actions{ display:flex; justify-content:flex-end; gap:8px; margin-top:8px; }
.modal-hint{ font-size:12px; color:var(--ink-faint); margin-top:-4px; margin-bottom:10px; }

.activity-item{ display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:10px; padding:9px 0; border-bottom:1px solid var(--edge-soft); font-size:13px; }
.activity-item:last-child{ border-bottom:none; }
.activity-main{ color:var(--ink); min-width:0; }
.activity-detail{ color:var(--ink-faint); font-size:12px; margin-top:1px; }
.activity-meta{ color:var(--ink-faint); font-size:12px; text-align:right; white-space:nowrap; }
.activity-meta b{ color:var(--ink-dim); font-weight:500; }
.list-row{ display:flex; justify-content:space-between; align-items:center; padding:8px 0; border-bottom:1px solid var(--edge-soft); font-size:13px; }
.list-row:last-child{ border-bottom:none; }

.toast{ position:fixed; bottom:20px; left:50%; transform:translateX(-50%) translateY(10px); background:var(--panel-raised); border:1px solid var(--edge); color:var(--ink); padding:10px 16px; border-radius:7px; font-size:13px; opacity:0; pointer-events:none; transition:opacity .18s, transform .18s; z-index:30; max-width:88vw; text-align:center; }
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }
.login-card{ width:100%; max-width:360px; background:var(--panel); border:1px solid var(--edge); border-radius:10px; padding:26px 24px 22px; }
.login-card .brand{ margin-bottom:18px; }
.login-card .field{ margin-bottom:12px; }
.login-remember{ display:flex; align-items:center; gap:6px; font-size:12.5px; color:var(--ink-dim); margin-bottom:14px; }
.login-remember input{ width:auto; }
.login-error{ color:var(--red); font-size:12.5px; background:rgba(217,100,93,0.1); border:1px solid rgba(217,100,93,0.3); border-radius:6px; padding:9px 11px; margin-bottom:14px; }
.login-hint{ font-size:12.5px; color:var(--ink-faint); margin-top:16px; text-align:center; }
.login-hint a{ color:var(--amber); text-decoration:underline; text-underline-offset:2px; }

.landing{ min-height:100vh; display:grid; grid-template-columns:1.15fr 1fr; }
.landing-hero{ background:var(--panel); border-right:1px solid var(--edge); padding:56px 56px; display:flex; flex-direction:column; justify-content:center;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0); background-size:22px 22px; }
.landing-hero .brand{ margin-bottom:22px; }
.landing-hero .brand-mark{ width:44px; height:44px; font-size:19px; }
.landing-hero .brand-name{ font-size:24px; }
.landing-welcome{ font-family:var(--font-head); font-weight:800; font-size:44px; line-height:1.05; letter-spacing:-0.01em; margin:0 0 18px; color:var(--ink); }
.landing-welcome span{ color:var(--amber); }
.landing-tag{ color:var(--ink-dim); font-size:15px; line-height:1.6; max-width:440px; margin:0 0 32px; }
.landing-form .login-card{ max-width:380px; }
.landing-form .login-card .field input{ padding:11px 12px; font-size:14px; }
.landing-form .btn-primary{ padding:11px 16px; font-size:14px; }
.landing-features{ display:flex; flex-direction:column; gap:16px; max-width:420px; }
.landing-feature{ display:flex; align-items:flex-start; gap:12px; }
.landing-feature > div{ display:flex; flex-direction:column; gap:2px; }
.landing-feature b{ font-family:var(--font-head); font-weight:700; font-size:14px; color:var(--ink); }
.landing-feature span{ font-size:12.5px; color:var(--ink-faint); }
.dot{ width:10px; height:10px; border-radius:50%; margin-top:5px; flex-shrink:0; }
.dot-view{ background:var(--teal); } .dot-add{ background:var(--green); } .dot-checkout{ background:var(--amber); } .dot-count{ background:#b57ee8; }
.landing-form{ display:flex; align-items:center; justify-content:center; padding:40px 24px; }
.landing-form .login-card{ border:none; background:transparent; padding:0; }
.login-card-title{ font-family:var(--font-head); font-weight:700; font-size:19px; margin-bottom:18px; }
@media (max-width:860px){
  .landing{ grid-template-columns:1fr; }
  .landing-hero{ border-right:none; border-bottom:1px solid var(--edge); padding:40px 24px; }
  .landing-features{ display:none; }
  .landing-welcome{ font-size:32px; }
  .landing-tag{ margin-bottom:0; }
}

.screen-intro{ color:var(--ink-dim); font-size:13px; line-height:1.6; max-width:780px; margin:0 0 16px; }
.screen-intro b{ color:var(--ink); font-weight:600; }

.three-col{ display:grid; grid-template-columns:repeat(auto-fit, minmax(230px, 1fr)); gap:14px; }
.group-chart{ background:var(--panel-raised); border:1px solid var(--edge); border-radius:8px; padding:13px 14px; }
.group-chart-title{ font-family:var(--font-head); font-weight:700; font-size:13.5px; margin-bottom:10px; }
.group-chart-sub{ font-family:var(--font-head); font-weight:600; font-size:11px; color:var(--ink-faint); text-transform:uppercase; letter-spacing:.03em; margin:12px 0 6px; }
.group-chart-sub:first-child{ margin-top:0; }
.chart-row{ display:grid; grid-template-columns:64px 1fr 52px; align-items:center; gap:8px; font-size:12px; margin-bottom:5px; }
.chart-label{ color:var(--ink-dim); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.chart-track{ background:var(--bg); border-radius:4px; height:9px; overflow:hidden; }
.chart-fill{ height:100%; border-radius:4px; background:var(--amber); min-width:2px; }
.chart-fill.green{ background:var(--green); } .chart-fill.red{ background:var(--red); } .chart-fill.teal{ background:var(--teal); }
.chart-value{ font-family:var(--font-mono); color:var(--ink); text-align:right; }

.content-tab.tab-view.active::after{ background:var(--teal); }
.content-tab.tab-add.active::after{ background:var(--green); }
.content-tab.tab-checkout.active::after{ background:var(--amber); }
.content-tab.tab-count.active::after{ background:#b57ee8; }
.content-tab.tab-view{ color:#7fb3ae; } .content-tab.tab-add{ color:#8fb583; } .content-tab.tab-checkout{ color:#d1a05e; } .content-tab.tab-count{ color:#b090c9; }
.content-tab.tab-view.active, .content-tab.tab-add.active, .content-tab.tab-checkout.active, .content-tab.tab-count.active{ color:var(--ink); }

.store-checks{ display:flex; gap:14px; flex-wrap:wrap; padding-top:6px; }
.store-checks label{ display:flex; align-items:center; gap:6px; font-size:13px; color:var(--ink-dim); }
.store-checks input{ width:auto; }
.perm-pill{ font-family:var(--font-mono); font-size:10.5px; padding:2px 7px; border-radius:4px; display:inline-block; background:rgba(255,255,255,0.06); color:var(--ink-dim); }
.perm-pill.yes{ background:rgba(127,174,111,0.15); color:var(--green); }
.perm-pill.no{ background:rgba(255,255,255,0.04); color:var(--ink-faint); }
.view-as-banner{ background:var(--amber); color:var(--amber-ink); font-family:var(--font-body); font-size:13px; font-weight:600;
  padding:9px 18px; display:flex; align-items:center; justify-content:center; gap:12px; flex-wrap:wrap; }
.view-as-banner .btn{ border-color:var(--amber-ink); color:var(--amber-ink); }

.theme-toggle{ background:transparent; border:1px solid var(--edge); color:var(--ink-dim); font-family:var(--font-body); font-size:12px; padding:4px 9px; border-radius:5px; cursor:pointer; }
.theme-toggle:hover{ color:var(--ink); border-color:var(--ink-faint); }

.inv-group{ margin-bottom:14px; }
.inv-group-head{ display:flex; align-items:center; justify-content:space-between; font-family:var(--font-head); font-weight:700; font-size:13px;
  color:var(--ink); background:var(--panel-raised); border:1px solid var(--edge); border-bottom:none; border-radius:8px 8px 0 0; padding:8px 12px; }
.inv-group-count{ font-family:var(--font-mono); font-weight:500; font-size:11px; color:var(--ink-faint); }
.inv-group .table-scroll{ border:1px solid var(--edge); border-radius:0 0 8px 8px; }
.inv-table tbody td{ padding:7px 10px; white-space:nowrap; font-size:13px; }
.inv-table thead th{ padding:8px 10px 6px; }
.inv-table .item-name{ font-weight:600; }
.inv-table .row-actions{ flex-wrap:nowrap; }

.diag-line{ font-family:var(--font-mono); font-size:12px; color:var(--ink-dim); word-break:break-all; }
.diag-line.ok{ color:var(--green); } .diag-line.bad{ color:var(--red); }

.hidden{ display:none !important; }

@media (max-width:860px){ .toolbar{ grid-template-columns:1fr 1fr; } }
@media (max-width:760px){ .two-col{ grid-template-columns:1fr; } }