* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #f4f6fa;
  --card: #ffffff;
  --ink: #101828;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --ok: #067647;
  --ok-bg: #ecfdf3;
  --warn: #b42318;
  --warn-bg: #fef3f2;
  --pending: #b54708;
  --pending-bg: #fffaeb;
}
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  padding-bottom: 40px;
}
.topbar {
  background: var(--ink);
  color: #fff;
  padding: max(14px, env(safe-area-inset-top)) 18px 14px;
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.topbar h1 { font-size: 17px; font-weight: 700; }
.topbar .sub { font-size: 12px; color: #98a2b3; }
.wrap { max-width: 640px; margin: 0 auto; padding: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}
h2 { font-size: 15px; margin-bottom: 10px; }
p.muted, .muted { color: var(--muted); font-size: 13px; }
button {
  font: inherit; border: none; border-radius: 10px; cursor: pointer;
  padding: 12px 16px; font-weight: 600; font-size: 14px;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); width: 100%; }
.btn-small { padding: 8px 12px; font-size: 13px; width: auto; }
.btn-ghost { background: #eef2f6; color: var(--ink); }
.btn-danger-ghost { background: var(--warn-bg); color: var(--warn); }
input, textarea {
  font: inherit; width: 100%; padding: 12px; border: 1px solid var(--line);
  border-radius: 10px; margin-bottom: 10px; background: #fff; color: var(--ink);
}
input:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
label { font-size: 13px; font-weight: 600; display: block; margin-bottom: 6px; }

.chip {
  display: inline-block; font-size: 12px; font-weight: 700;
  padding: 3px 10px; border-radius: 999px;
}
.chip-pending { background: var(--pending-bg); color: var(--pending); }
.chip-ok { background: var(--ok-bg); color: var(--ok); }
.chip-today { background: var(--warn-bg); color: var(--warn); }

.dayrow {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 13px 4px; border-bottom: 1px solid var(--line);
}
.dayrow:last-child { border-bottom: none; }
.dayblock { padding: 13px 4px; border-bottom: 1px solid var(--line); }
.dayblock:last-child { border-bottom: none; }
.dayblock .dname { font-weight: 600; font-size: 14px; text-transform: capitalize; margin-bottom: 8px; }
.dayblock .dmeta { font-size: 12px; color: var(--warn); font-weight: 600; text-transform: none; }
.dayrow .dname { font-weight: 600; font-size: 14px; text-transform: capitalize; }
.dayrow .dmeta { font-size: 12px; color: var(--muted); margin-top: 2px; }

.banner {
  border-radius: 12px; padding: 12px 14px; font-size: 13px; margin-bottom: 14px;
  background: #eff4ff; color: #1d4ed8; border: 1px solid #c7d7fe;
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.banner.warn { background: var(--warn-bg); color: var(--warn); border-color: #fecdca; }

.signup-card { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.signup-card .name { font-weight: 700; font-size: 14px; }
.signup-card .meta { font-size: 13px; color: var(--muted); margin: 4px 0 8px; }
.signup-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.assign-row { display: flex; gap: 8px; margin-top: 8px; }
.assign-row input { margin-bottom: 0; flex: 1; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs button { flex: 1; background: #e7ebf0; color: var(--muted); padding: 10px; }
.tabs button.active { background: var(--ink); color: #fff; }

.daygroup-title {
  font-size: 13px; font-weight: 700; color: var(--muted);
  text-transform: capitalize; margin: 18px 0 8px; letter-spacing: 0.02em;
}
.daygroup-title.today { color: var(--warn); }

.linkbox {
  font-family: ui-monospace, Menlo, monospace; font-size: 12px; background: #f2f4f7;
  padding: 8px 10px; border-radius: 8px; word-break: break-all; margin: 6px 0;
}
.worker-row { padding: 12px 0; border-bottom: 1px solid var(--line); }
.worker-row:last-child { border-bottom: none; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

.center-screen { max-width: 400px; margin: 12vh auto 0; padding: 16px; }
.logo-dot { width: 46px; height: 46px; border-radius: 12px; background: var(--accent); margin-bottom: 16px;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; font-weight: 800; }
.error-text { color: var(--warn); font-size: 13px; margin-bottom: 10px; min-height: 16px; }
.hidden { display: none !important; }
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 999px;
  font-size: 13px; font-weight: 600; z-index: 50; box-shadow: 0 8px 24px rgba(16,24,40,.25);
}