:root {
  --bg: #14171c;
  --surface: #1d2128;
  --surface-2: #242932;
  --border: #313845;
  --text: #e6e9ee;
  --muted: #8b93a1;
  --accent: #4f8cff;
  --accent-hover: #3d76e0;
  --danger: #e05c5c;
  --danger-hover: #c74a4a;
  --success: #4caf7d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: inherit;
  text-decoration: none;
}

.brand:hover {
  color: var(--accent);
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar nav a {
  color: var(--muted);
  text-decoration: none;
}

.topbar nav a:hover { color: var(--text); }

.who { color: var(--muted); }

.role-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}

h1 { font-size: 1.4rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }

.week-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  margin: 1rem 0 0.4rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.week-select-all {
  display: inline-flex;
  margin: 0;
}

.week-heading:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.card-header h2 { margin: 0; }
.card-header form { margin: 0; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Flash messages */
.flashes { margin-bottom: 1rem; }

.flash {
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.flash-success { border-color: var(--success); }
.flash-error { border-color: var(--danger); }

/* Forms */
label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"] {
  width: 100%;
  padding: 0.5rem 0.65rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  color-scheme: dark;
}

input:focus {
  outline: none;
  border-color: var(--accent);
}

input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--border);
  border-radius: 5px;
  background: var(--surface-2);
  cursor: pointer;
  vertical-align: middle;
  flex-shrink: 0;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

input[type="checkbox"]:hover {
  border-color: var(--accent);
}

input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

input[type="checkbox"]:checked::after {
  content: "";
  width: 0.3rem;
  height: 0.55rem;
  margin-bottom: 0.1rem;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

td:has(> input[type="checkbox"]) {
  width: 2.5rem;
  text-align: center;
}

tbody tr:has(input[type="checkbox"]:checked) {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.input-prefix {
  display: flex;
  align-items: stretch;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.input-prefix:focus-within {
  border-color: var(--accent);
}

.input-prefix-symbol {
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  color: var(--muted);
  user-select: none;
}

.input-prefix input[type="number"] {
  border: none;
  border-radius: 0;
  background: transparent;
}

.input-prefix input:focus {
  border-color: transparent;
}

.entry-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.entry-form .field { min-width: 130px; }
.entry-form .field-grow { flex: 1 1 200px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  background: var(--surface-2);
}

.btn-primary { background: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-secondary:hover { border-color: var(--muted); }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }

.btn-small {
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

tbody tr:last-child td { border-bottom: none; }

.num { text-align: right; }

.actions {
  display: flex;
  gap: 0.4rem;
  justify-content: flex-end;
}

.actions form { display: inline; }

.awaiting-response {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.awaiting-response form { display: inline; }

.details-cell {
  background: var(--surface-2);
  padding: 0.5rem 0.75rem;
}

.details-cell table {
  margin-top: 0.5rem;
}

/* Status badges */
.status {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
  border: 1px solid var(--border);
}

.status-awaiting_response { color: #e8b64c; border-color: #e8b64c; }
.status-deferred { color: #b48cff; border-color: #b48cff; }
.status-unpaid { color: #e8b64c; border-color: #e8b64c; }
.status-payment_pending { color: var(--accent); border-color: var(--accent); }
.status-paid { color: var(--success); border-color: var(--success); }

/* Login */
.login-box {
  max-width: 360px;
  margin: 3rem auto 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.75rem;
}

.login-box input { margin-bottom: 1rem; }

.login-box .btn { width: 100%; margin-bottom: 0.75rem; }

.passkey-status {
  min-height: 1.25rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.passkey-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.passkey-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.passkey-list form { margin: 0; }