/* GridShift design system — mobile-first, no framework. */

@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,300..500,0..1,-50..200&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root{
  --bg:#f6f7f9; --surface:#ffffff; --surface-2:#fafbfc; --border:#e7e9ee; --border-strong:#d7dbe3;
  --text:#14181f; --text-2:#5b6472; --text-3:#8b93a1;
  --brand:#ea580c; --brand-ink:#9a3412; --brand-soft:#fff1e8;
  --blue:#2563eb; --blue-soft:#eef3ff;
  --ok:#15915b; --ok-soft:#e9f8f0; --ok-line:#bfe9d4;
  --warn:#b45309; --warn-soft:#fff4e5; --warn-line:#f3d8ab;
  --danger:#c62828; --danger-soft:#fdecec; --danger-line:#f3c1c1;
  --radius:14px; --radius-sm:9px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(20,24,31,.05);
  --shadow:0 1px 2px rgba(20,24,31,.04), 0 8px 24px -12px rgba(20,24,31,.12);
  --shadow-lg:0 12px 32px -12px rgba(20,24,31,.22);
  --sidebar-w:248px;
  --header-h:60px;
  --font-ui:'Inter',ui-sans-serif,system-ui,-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 14.5px/1.55 var(--font-ui);
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.015em}
p{margin:0}
a{color:inherit}
button{font:inherit;cursor:pointer}
img,svg{display:block;max-width:100%}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.material-symbols-outlined{font-variation-settings:'FILL' 0,'wght' 400,'GRAD' 0,'opsz' 20;
  font-size:20px;line-height:1;user-select:none}

/* ---------------------------------------------------------------- app shell */
.app{min-height:100vh}
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;
  height:var(--header-h);padding:0 14px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border)}
.topbar .brand{display:flex;align-items:center;gap:9px;min-width:0}
.topbar .brand-mark{width:30px;height:30px;border-radius:8px;background:var(--text);
  display:flex;align-items:center;justify-content:center;flex:none}
.topbar .brand-mark .material-symbols-outlined{color:var(--brand-soft);font-size:18px}
.topbar .brand-name{font-weight:800;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border:1px solid var(--border);background:var(--surface);border-radius:10px;color:var(--text-2);
  flex:none;transition:background .12s}
.icon-btn:hover{background:var(--surface-2)}
.topbar-spacer{flex:1;min-width:0}
.topbar-meta{display:none}

.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:var(--surface);
  border-right:1px solid var(--border);z-index:50;display:flex;flex-direction:column;
  transform:translateX(-100%);transition:transform .22s cubic-bezier(.4,0,.2,1)}
.sidebar.open{transform:translateX(0);box-shadow:var(--shadow-lg)}
.sidebar-head{display:flex;align-items:center;gap:10px;padding:18px 16px;border-bottom:1px solid var(--border)}
.sidebar-head .brand-mark{width:34px;height:34px;border-radius:9px}
.sidebar-head .brand-name{font-weight:800;font-size:16px;letter-spacing:-.01em}
.sidebar-head .brand-sub{font-family:var(--font-mono);font-size:10.5px;color:var(--text-3);
  text-transform:uppercase;letter-spacing:.06em}
.nav{flex:1;overflow-y:auto;padding:10px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;
  color:var(--text-2);text-decoration:none;font-weight:500;font-size:14px;margin-bottom:2px}
.nav a .material-symbols-outlined{font-size:20px;color:var(--text-3)}
.nav a:hover{background:var(--surface-2);color:var(--text)}
.nav a.active{background:var(--brand-soft);color:var(--brand-ink);font-weight:600}
.nav a.active .material-symbols-outlined{color:var(--brand)}
.sidebar-foot{padding:12px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}
.sync-row{display:flex;align-items:center;gap:8px;padding:9px 10px;background:var(--surface-2);
  border-radius:10px;font-size:12px;color:var(--text-2)}
.dot{width:7px;height:7px;border-radius:50%;flex:none}
.dot-ok{background:var(--ok)} .dot-warn{background:var(--warn)} .dot-bad{background:var(--danger)}
.signout-row{display:flex;align-items:center;justify-content:space-between;padding:2px 10px;
  font-size:12px;color:var(--text-3)}
.signout-row a{color:var(--text-2);font-weight:600;text-decoration:none}
.signout-row a:hover{color:var(--brand)}

.overlay{position:fixed;inset:0;background:rgba(15,18,24,.44);z-index:45;opacity:0;
  pointer-events:none;transition:opacity .2s}
.overlay.show{opacity:1;pointer-events:auto}

main.content{padding:18px 14px 90px;max-width:1180px;margin:0 auto}

@media (min-width:1024px){
  .topbar{display:none}
  .sidebar{transform:none}
  .overlay{display:none!important}
  .app{padding-left:var(--sidebar-w)}
  main.content{padding:32px 32px 64px}
}
@media (min-width:640px) and (max-width:1023.98px){
  main.content{padding:22px 24px 90px}
}

/* --------------------------------------------------------------- page header */
.page-head{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;
  gap:14px;margin-bottom:20px}
.page-head h1{font-size:22px}
.page-head .sub{color:var(--text-2);margin-top:4px;font-size:13.5px;max-width:60ch}
.eyebrow{font-family:var(--font-mono);font-size:10.5px;font-weight:700;letter-spacing:.09em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:6px;display:block}
.page-head .actions{display:flex;gap:8px;flex-wrap:wrap}

/* --------------------------------------------------------------------- grid */
.grid{display:grid;gap:14px}
.grid-kpi{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media (min-width:640px){.grid-3{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){.grid-2{grid-template-columns:1.15fr .85fr}}
.stack{display:flex;flex-direction:column;gap:14px}
.section{margin-top:22px}
.section:first-child{margin-top:0}

/* ---------------------------------------------------------------------- card */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow-sm)}
.card-lg{padding:22px}
.card-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px}
.card-title h2{font-size:15.5px}
.card-desc{color:var(--text-2);font-size:13px;max-width:62ch;margin-top:2px}

/* --------------------------------------------------------------------- kpis */
.kpi{display:flex;flex-direction:column;gap:5px}
.kpi-label{font-size:11.5px;font-weight:600;color:var(--text-2);display:flex;align-items:center;
  justify-content:space-between;gap:6px}
.kpi-value{font-size:25px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.kpi-value .unit{font-size:13px;font-weight:500;color:var(--text-3);margin-left:2px}
.kpi-foot{font-size:11.5px;color:var(--text-3)}

/* -------------------------------------------------------------------- badges */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.badge .material-symbols-outlined{font-size:14px}
.badge-ok{background:var(--ok-soft);color:var(--ok)}
.badge-warn{background:var(--warn-soft);color:var(--warn)}
.badge-danger{background:var(--danger-soft);color:var(--danger)}
.badge-neutral{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}
.badge-brand{background:var(--brand-soft);color:var(--brand-ink)}
.tag-mono{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;
  color:var(--text-3);text-transform:uppercase}

/* -------------------------------------------------------------------- meter */
.meter{height:8px;border-radius:5px;background:var(--surface-2);border:1px solid var(--border);
  overflow:hidden;position:relative}
.meter i{display:block;height:100%;border-radius:5px}

/* --------------------------------------------------------------------- hero */
.hero-status{display:flex;align-items:flex-start;gap:12px;padding:16px 18px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--surface);margin-bottom:18px}
.hero-status .pulse{width:10px;height:10px;border-radius:50%;margin-top:5px;flex:none}
.hero-status .lede{font-size:16px;font-weight:600;letter-spacing:-.01em;line-height:1.4}
.hero-status .lede b{font-weight:700}
.hero-status .meta{color:var(--text-2);font-size:13px;margin-top:3px}

/* -------------------------------------------------------------------- table */
.table-wrap{overflow-x:auto;margin:0 -2px}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:460px}
th,td{padding:9px 10px;text-align:right;white-space:nowrap;border-bottom:1px solid var(--border)}
th:first-child,td:first-child{text-align:left}
thead th{font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text-3);border-bottom:1px solid var(--border-strong)}
tbody tr:hover{background:var(--surface-2)}
tbody tr:last-child td{border-bottom:0}
tfoot td{border-top:1px solid var(--border-strong);border-bottom:0;font-weight:700}

/* -------------------------------------------------------------------- forms */
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:11.5px;font-weight:600;color:var(--text-2)}
.field input,.field select{font:500 14px/1.3 var(--font-mono);padding:9px 11px;
  border:1px solid var(--border-strong);border-radius:9px;background:var(--surface-2);color:var(--text)}
.field input:focus,.field select:focus{outline:2px solid var(--blue);outline-offset:1px;background:var(--surface)}
.field .hint{font-size:11.5px;color:var(--text-3);font-family:var(--font-ui);font-weight:400}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 16px;
  border-radius:10px;font-weight:600;font-size:13.5px;border:1px solid transparent;transition:opacity .12s}
.btn:active{opacity:.85}
.btn-primary{background:var(--text);color:#fff}
.btn-primary:hover{background:#000}
.btn-outline{background:var(--surface);border-color:var(--border-strong);color:var(--text)}
.btn-outline:hover{background:var(--surface-2)}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:8px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* -------------------------------------------------------------------- banner */
.banner{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:11px 16px;
  padding-bottom:calc(11px + env(safe-area-inset-bottom,0px));font-size:13px;font-weight:600;
  color:#fff;display:flex;flex-direction:column;gap:3px;box-shadow:0 -4px 16px rgba(0,0,0,.15)}
@media (min-width:1024px){.banner{left:var(--sidebar-w)}}
.banner.urgent{background:var(--danger)} .banner.soon{background:var(--brand-ink)} .banner.stale{background:#3f4757}

/* --------------------------------------------------------------------- misc */
.callout{border-radius:var(--radius-sm);padding:12px 14px;font-size:13px;line-height:1.55;display:flex;gap:10px}
.callout .material-symbols-outlined{flex:none;margin-top:1px}
.callout-ok{background:var(--ok-soft);color:#0d5a3a;border:1px solid var(--ok-line)}
.callout-warn{background:var(--warn-soft);color:#7a3e05;border:1px solid var(--warn-line)}
.callout-info{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border)}
.divider{height:1px;background:var(--border);margin:16px 0}
.month-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
@media (min-width:560px){.month-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:960px){.month-grid{grid-template-columns:repeat(6,1fr)}}
.month-card{border:1px solid var(--border);border-radius:11px;padding:12px;background:var(--surface-2);
  display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden;min-width:0}
.month-card.current{background:var(--ok-soft);border-color:var(--ok);box-shadow:0 0 0 1px var(--ok)}
.month-card.over{background:var(--danger-soft);border-color:var(--danger-line)}
.month-card .m{font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--text-3)}
.month-card .n{font-size:19px;font-weight:700;letter-spacing:-.01em}
.chart-wrap{width:100%;overflow:visible}
.chart-wrap svg{width:100%;height:auto}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--text-2);margin-top:8px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:9px;height:9px;border-radius:2px;flex:none}
.tooltip{position:absolute;pointer-events:none;opacity:0;transition:opacity .1s;background:var(--text);
  color:#fff;border-radius:8px;padding:8px 10px;font-size:12px;min-width:140px;z-index:5;box-shadow:var(--shadow)}
.tooltip.on{opacity:1}
.tooltip .d{font-weight:700;margin-bottom:4px}
.tooltip .r{display:flex;justify-content:space-between;gap:14px;opacity:.85}
.upload-drop{border:2px dashed var(--border-strong);border-radius:var(--radius-sm);padding:20px;
  text-align:center;color:var(--text-2);font-size:13px}
.switch{position:relative;display:inline-flex;width:40px;height:22px;flex:none}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch .track{position:absolute;inset:0;background:var(--border-strong);border-radius:999px;transition:.15s}
.switch .thumb{position:absolute;top:2px;left:2px;width:18px;height:18px;background:#fff;border-radius:50%;
  transition:.15s;box-shadow:0 1px 3px rgba(0,0,0,.3)}
.switch input:checked + .track{background:var(--ok)}
.switch input:checked ~ .thumb{transform:translateX(18px)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.muted{color:var(--text-2)}
.subtle{color:var(--text-3)}
.mono{font-family:var(--font-mono)}
.center-empty{padding:32px 16px;text-align:center;color:var(--text-3);font-size:13px}