/* ============================================================
   28Stone Brand System — Light mode (semantic tokens)
   Source: 28Stone-Brand-System.md  ·  Font: Nunito only
   Shared by the sign-in shell (public/index.html) and the
   Employee Start Page markup injected from the /employee-start-page Cloud Function.
   ============================================================ */
:root {
  --bg-page: #FFFDF9;
  --bg-surface: #FFF9F2;
  --bg-subtle: #F5EDE1;
  --bg-inverse: #000000;
  --bg-brand: #DE582A;

  --text-primary: #000000;
  --text-secondary: #575A5D;
  --text-muted: #86898C;
  --text-inverse: #FFFFFF;
  --text-brand: #DE582A;
  --text-on-brand: #FFFFFF;

  --primary-default: #DE582A;
  --primary-hover: #BE4520;
  --primary-subtle: #FEF5F0;

  --accent-strong: #D4C921;
  --success-default: #79BE70;
  --success-subtle: #F0F9EF;

  --border-default: #E8DCCC;
  --border-strong: #93969A;
  --border-subtle: #F5EDE1;

  --d-bg: #000000;
  --d-surface: #141516;
  --d-border: #3E4143;
  --d-text: #FFFFFF;
  --d-muted: #B4B7BA;
  --d-brand: #EE7848;

  --radius: 14px;
  --radius-sm: 9px;
  --ease: cubic-bezier(.2,.6,.2,1);
  --dur: .18s;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Nunito', system-ui, -apple-system, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; -webkit-tap-highlight-color: transparent; }
svg { display: block; }

/* Hidden <symbol> sprite injected with the Employee Start Page markup (icons use <use>). */
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ============ TOP BAR ============ */
header.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,253,249,.86);
  backdrop-filter: saturate(1.1) blur(10px);
  border-bottom: 1px solid var(--border-default);
}
.topbar-inner { display: flex; align-items: center; gap: 16px; height: 66px; }
.brand { display: flex; align-items: center; flex: none; }
.brand-logo { height: 28px; width: auto; display: block; }
.rule { width: 1px; height: 24px; background: var(--border-default); flex: none; }
.topbar-label { font-size: 13px; font-weight: 700; color: var(--text-secondary); white-space: nowrap; }
.signout-btn {
  margin-left: auto; flex: none; font-family: inherit; font-size: 12px; font-weight: 800;
  color: var(--text-secondary); background: transparent; border: 1px solid var(--border-default);
  border-radius: 8px; padding: 7px 14px; cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.signout-btn:hover { color: var(--primary-default); border-color: var(--primary-default); background: var(--primary-subtle); }

/* ============ HERO (dark "crest") ============ */
.hero { position: relative; overflow: hidden; background: var(--d-bg); color: var(--d-text); padding: 52px 0 56px; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 380px at 88% -10%, rgba(222,88,42,.30), transparent 60%),
    radial-gradient(700px 340px at 8% 120%, rgba(222,88,42,.12), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.kicker { font-size: 12px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--d-brand); margin: 0 0 14px; }
.hero h1 { margin: 0; font-size: clamp(34px, 5vw, 60px); font-weight: 900; line-height: 1.04; letter-spacing: -.025em; max-width: 120ch; }
.hero p { margin: 16px 0 0; font-size: 18px; line-height: 1.55; color: var(--d-muted); max-width: 120ch; font-weight: 500; }
.most-used-label { margin: 40px 0 14px; font-size: 11px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--d-muted); }
.tiles { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.tile {
  display: flex; flex-direction: column; gap: 22px;
  padding: 18px 18px 17px; border-radius: var(--radius);
  background: rgba(255,255,255,.045); border: 1px solid var(--d-border);
  text-decoration: none; color: var(--d-text);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.tile:hover { background: rgba(255,255,255,.09); border-color: var(--primary-default); transform: translateY(-2px); }
.tile-top { display: flex; align-items: center; justify-content: space-between; }
.tile-icon { width: 42px; height: 42px; border-radius: 11px; background: rgba(222,88,42,.16); color: var(--d-brand); display: flex; align-items: center; justify-content: center; }
.tile-arrow { color: rgba(255,255,255,.35); transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.tile:hover .tile-arrow { color: var(--d-brand); transform: translate(2px,-2px); }
.tile-name { font-size: 18px; font-weight: 800; line-height: 1.15; letter-spacing: -.01em; }
.tile-host { font-size: 12px; font-weight: 600; color: var(--d-muted); margin-top: 4px; }

/* ============ CATEGORY GRID ============ */
main { padding: 44px 0 12px; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; align-items: start; }
.card { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius); padding: 20px 16px 12px; }
.card-head { display: flex; align-items: center; gap: 11px; padding: 0 4px 14px; margin-bottom: 6px; border-bottom: 1px solid var(--border-default); }
.card-icon { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--primary-subtle); color: var(--primary-default); display: flex; align-items: center; justify-content: center; }
.card-title { flex: 1; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--text-primary); }
.card-count { font-size: 11px; font-weight: 800; color: var(--primary-default); background: var(--primary-subtle); padding: 2px 8px; border-radius: 20px; font-variant-numeric: tabular-nums; }
.row { display: flex; align-items: center; gap: 12px; padding: 9px 9px; border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 14px; font-weight: 600; line-height: 1.3; text-decoration: none; transition: background var(--dur) var(--ease), color var(--dur) var(--ease); }
a.row:hover { background: var(--bg-subtle); color: var(--text-primary); }
a.row:hover .row-icon { color: var(--primary-default); }
.row-icon { flex: none; width: 30px; height: 30px; border-radius: 8px; background: var(--bg-subtle); color: var(--text-secondary); display: flex; align-items: center; justify-content: center; transition: color var(--dur) var(--ease); }
.row-icon.app { background: var(--primary-subtle); color: var(--primary-default); }
.row-icon.sheet { background: var(--success-subtle); color: #498C42; }
.row-label { flex: 1; }
.row-badge { flex: none; font-size: 9px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--primary-default); background: var(--primary-subtle); padding: 3px 7px; border-radius: 5px; }
.row.disabled { color: var(--text-muted); cursor: default; }
.row.disabled .row-icon { color: var(--text-muted); }
.row-note { flex: none; font-size: 10.5px; font-weight: 700; color: var(--text-muted); }

/* ============ COMPANY CALENDAR (agenda list) ============ */
.calendar { padding: 22px 0 4px; }
.calendar-head { display: flex; align-items: center; gap: 11px; margin: 0 0 14px; padding: 0 4px; }
.calendar-icon { flex: none; width: 34px; height: 34px; border-radius: 9px; background: var(--primary-subtle); color: var(--primary-default); display: flex; align-items: center; justify-content: center; }
.calendar-title { flex: 1; margin: 0; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--text-primary); }
.calendar-add {
  flex: none; font-size: 12px; font-weight: 800; color: var(--primary-default); background: var(--primary-subtle);
  border-radius: 20px; padding: 6px 14px; text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.calendar-add:hover { background: var(--primary-default); color: var(--text-on-brand); }
.agenda-card { background: var(--bg-surface); border: 1px solid var(--border-default); border-radius: var(--radius); padding: 8px; }
.agenda-item { display: flex; align-items: center; gap: 14px; padding: 12px 10px; border-radius: var(--radius-sm); text-decoration: none; color: inherit; transition: background var(--dur) var(--ease); }
.agenda-item + .agenda-item { border-top: 1px solid var(--border-subtle); }
.agenda-item:hover { background: var(--bg-subtle); }
.agenda-item:hover .agenda-arrow { color: var(--primary-default); transform: translate(2px,-2px); }
.agenda-date {
  flex: none; width: 46px; height: 46px; border-radius: 10px;
  background: var(--primary-subtle); color: var(--primary-default);
  display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1;
}
.agenda-day { font-size: 16px; font-weight: 800; }
.agenda-month { font-size: 10px; font-weight: 800; letter-spacing: .06em; margin-top: 2px; }
.agenda-body { flex: 1; min-width: 0; }
.agenda-title { display: block; font-size: 14px; font-weight: 700; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.agenda-meta { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-top: 2px; }
.agenda-arrow { flex: none; color: var(--text-muted); transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.agenda-empty { margin: 0; padding: 20px 10px; text-align: center; font-size: 13px; font-weight: 600; color: var(--text-muted); }

/* ============ FOOTER ============ */
footer { margin-top: 32px; border-top: 1px solid var(--border-default); background: var(--bg-surface); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 20px 0; }
.footer-brand { font-size: 10px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--text-secondary); }
.footer-meta { font-size: 12px; font-weight: 600; color: var(--text-muted); }

/* ============ AUTH GATE ============ */
#auth-gate {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-page); padding: 24px;
}
.gate-card { text-align: center; max-width: 380px; }
.gate-title { font-size: 22px; font-weight: 900; letter-spacing: -.02em; color: var(--text-primary); margin-bottom: 10px; }
.gate-msg { font-size: 14px; font-weight: 600; line-height: 1.5; color: var(--text-secondary); margin-bottom: 20px; }
.gate-btn { font-family: inherit; font-size: 14px; font-weight: 800; color: var(--text-on-brand); background: var(--primary-default); border: 0; border-radius: 10px; padding: 12px 22px; cursor: pointer; transition: background var(--dur) var(--ease); }
.gate-btn:hover { background: var(--primary-hover); }

/* ============ RESPONSIVE ============ */
@media (max-width: 980px) {
  .grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tiles { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .grid, .tiles { grid-template-columns: 1fr; }
  .topbar-label { display: none; }
  .hero { padding: 40px 0 44px; }
  .agenda-title { white-space: normal; }
}