:root {
  --green: #1d6f42;
  --green-d: #14512f;
  --cargo: #b25d00;
  --regular: #1d6f42;
  --danger: #b42318;
  --bg: #f4f5f3;
  --card: #fff;
  --line: #e2e4df;
  --text: #1a1c19;
  --muted: #6a6f66;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

/* topbar */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: .5rem;
  background: var(--green); color: #fff;
  padding: env(safe-area-inset-top) .75rem 0;
  min-height: 52px;
  padding-bottom: .35rem; padding-top: max(.35rem, env(safe-area-inset-top));
}
.topbar .title { font-weight: 700; }
.topbar-right { display: flex; align-items: center; gap: .5rem; }
#user-email { font-size: .72rem; opacity: .85; max-width: 9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#net { font-size: .7rem; font-weight: 700; color: #ffd9d6; }
.topbar button {
  background: rgba(255,255,255,.15); color: #fff; border: 0;
  border-radius: 6px; padding: .35rem .6rem; font-size: .8rem; cursor: pointer;
}
.topbar button:active { background: rgba(255,255,255,.3); }

/* views toggled by body.signed-in */
#app-view { display: none; }
body.signed-in #app-view { display: block; }
body.signed-in #signin-view { display: none; }
body.signed-in .topbar #btn-signout, body.signed-in .topbar #btn-refresh { display: inline-block; }
.topbar #btn-signout, .topbar #btn-refresh { display: none; }

/* sign-in */
.signin-box {
  max-width: 22rem; margin: 3rem auto; padding: 1.5rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  text-align: center;
}
.signin-box h1 { font-size: 1.2rem; }
.signin-box p { color: var(--muted); font-size: .9rem; }

button.primary {
  background: var(--green); color: #fff; border: 0; border-radius: 8px;
  padding: .7rem 1.1rem; font-size: 1rem; cursor: pointer; width: 100%;
}
button.primary:active { background: var(--green-d); }

/* tabs */
.tabs { display: flex; background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 52px; z-index: 4; }
.tab { flex: 1; background: none; border: 0; padding: .8rem; font-size: .95rem; color: var(--muted); cursor: pointer; border-bottom: 3px solid transparent; }
.tab.active { color: var(--green); font-weight: 700; border-bottom-color: var(--green); }

.status-bar { font-size: .72rem; color: var(--muted); padding: .4rem .9rem; }
body.offline .status-bar::before { content: "⚠ "; }

.panel { display: none; padding: 0 .75rem 2rem; }
.panel.active { display: block; }

.list { display: flex; flex-direction: column; gap: .6rem; }
.empty { color: var(--muted); text-align: center; padding: 2rem; }

.day-header {
  display: flex; justify-content: space-between; align-items: baseline;
  margin: 1rem .2rem .2rem; font-weight: 700; text-transform: capitalize;
  border-bottom: 1px solid var(--line); padding-bottom: .25rem;
}
.day-header .cap { font-size: .72rem; font-weight: 500; color: var(--muted); text-transform: none; }
.day-header .cap.closed { color: var(--danger); font-weight: 700; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: .7rem .8rem;
}
.card-top { display: flex; align-items: center; gap: .5rem; margin-bottom: .35rem; }
.badge {
  font-size: .7rem; font-weight: 700; color: #fff; border-radius: 5px;
  padding: .12rem .45rem;
}
.badge.cargo { background: var(--cargo); }
.badge.regular { background: var(--regular); }
.card-body { font-size: .88rem; color: var(--text); display: flex; flex-direction: column; gap: .2rem; }
.card-body a { color: var(--green); }
.card-actions { display: flex; gap: .5rem; margin-top: .6rem; }
.card-actions button {
  flex: 1; border: 1px solid var(--line); background: #fafbf9; border-radius: 7px;
  padding: .5rem; font-size: .85rem; cursor: pointer;
}
.card-actions button.danger { color: var(--danger); border-color: #f3c9c5; }
.card-actions button:active { background: #eef0eb; }

.closed-card { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.closed-card .card-actions { margin: 0; }
.closed-card .card-actions button { flex: 0 0 auto; padding: .45rem .8rem; }

.closed-form {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem; margin: .8rem 0 1.2rem; display: flex; flex-direction: column; gap: .6rem;
}
.closed-form h2 { margin: 0 0 .2rem; font-size: 1rem; }
.closed-form label { display: flex; flex-direction: column; font-size: .8rem; color: var(--muted); gap: .25rem; }
.closed-form input { padding: .55rem; border: 1px solid var(--line); border-radius: 7px; font-size: 1rem; }

/* toast */
#toast {
  position: fixed; left: 50%; bottom: calc(1rem + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(150%);
  background: #222; color: #fff; padding: .7rem 1rem; border-radius: 8px;
  font-size: .88rem; max-width: 90%; transition: transform .25s ease; z-index: 20;
}
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.error { background: var(--danger); }

.appver { text-align: center; color: var(--muted); font-size: .65rem; padding: 1rem 0 calc(1rem + env(safe-area-inset-bottom)); }
.appver:empty { display: none; }

/* busy */
body.busy { cursor: progress; }
body.busy .card-actions button, body.busy button.primary { opacity: .6; pointer-events: none; }