:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1d2733;
  --muted: #5b6b7b;
  --line: #d8e0e8;
  --brand: #0b5fa5;
  --brand-dark: #084a82;
  --ok-bg: #e4f5e9;
  --ok-ink: #1c6b39;
  --err-bg: #fce6e6;
  --err-ink: #9c2a2a;
  --warn-bg: #fff4d6;
  --warn-ink: #8a5a00;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.45;
}

header.topbar {
  background: var(--brand);
  color: #fff;
  padding: .8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}
header.topbar a { color: inherit; text-decoration: none; }
header.topbar .title {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  font-size: 1.05rem;
}
header.topbar .brand-logo {
  height: 46px;
  width: auto;
  display: block;
}
header.topbar nav a {
  margin-left: 1rem;
  font-size: .9rem;
  opacity: .92;
}
header.topbar nav a:hover { opacity: 1; text-decoration: underline; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem;
}
main.wide { max-width: 1100px; }

h1 { font-size: 1.4rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.4rem 0 .6rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  margin-bottom: 1rem;
}

label { display: block; font-weight: 600; margin: .9rem 0 .3rem; font-size: .92rem; }
input[type=text], input[type=email], input[type=tel], input[type=date],
input[type=password], input[type=number], select, textarea {
  width: 100%;
  padding: .7rem .65rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}
.time-row { display: flex; gap: .5rem; }
.time-row select { flex: 1; }

button, .btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: .75rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}
button:hover, .btn:hover { background: var(--brand-dark); }
.btn-block { display: block; width: 100%; margin-top: 1rem; }
.btn-secondary { background: #6b7b8b; }
.btn-secondary:hover { background: #586675; }
.btn-danger { background: #b23a3a; }
.btn-danger:hover { background: #9c2a2a; }
.btn-ghost { background: transparent; color: var(--brand); border: 1px solid var(--brand); }

.choices { display: grid; gap: .75rem; margin-top: 1rem; }
@media (min-width: 560px) { .choices { grid-template-columns: 1fr 1fr 1fr; } }
.choice {
  display: block; text-decoration: none; color: var(--ink);
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.2rem; text-align: center; font-weight: 600;
}
.choice:hover { border-color: var(--brand); }
.choice .sub { display:block; font-weight: 400; color: var(--muted); font-size: .85rem; margin-top:.3rem; }

.flash { padding: .7rem .9rem; border-radius: 8px; margin-bottom: .7rem; font-size: .92rem; }
.flash.ok  { background: var(--ok-bg);  color: var(--ok-ink); }
.flash.error { background: var(--err-bg); color: var(--err-ink); }
.warn-banner { background: var(--warn-bg); color: var(--warn-ink); border:1px solid #e6cd86;
  padding: .8rem .9rem; border-radius: 8px; margin-bottom: 1rem; }

.muted { color: var(--muted); font-size: .9rem; }
.pill { display:inline-block; padding:.15rem .55rem; border-radius:999px; font-size:.78rem; font-weight:600; }
.pill.requested { background:#eef3f8; color:#3a5168; }
.pill.confirmed { background: var(--ok-bg); color: var(--ok-ink); }
.pill.cancelled { background: var(--err-bg); color: var(--err-ink); }
.pill.completed { background:#e8e8ef; color:#494960; }

.res-item { border:1px solid var(--line); border-radius:var(--radius); padding:.9rem 1rem; margin-bottom:.7rem; background:#fff; }
.res-item .when { font-weight:700; }
.res-item .row { display:flex; justify-content:space-between; align-items:center; gap:.5rem; flex-wrap:wrap; }

table { width: 100%; border-collapse: collapse; background:#fff; }
th, td { text-align: left; padding: .6rem .65rem; border-bottom: 1px solid var(--line); font-size:.92rem; }
th { background:#eef3f8; color:#34495e; font-size:.82rem; text-transform:uppercase; letter-spacing:.03em; }
tr.conflict td { background: var(--warn-bg); }
.table-scroll { overflow-x:auto; -webkit-overflow-scrolling: touch; }

.inline-form { display:inline; }
.row-actions { display:flex; gap:.5rem; flex-wrap:wrap; }
.spacer { height:.5rem; }
.tz-note { font-size:.82rem; color:var(--muted); }
hr { border:none; border-top:1px solid var(--line); margin:1.2rem 0; }