:root {
  --bg: #f4f6f5;
  --card: #ffffff;
  --ink: #1c2b2a;
  --muted: #667370;
  --primary: #1f3b57;
  --primary-ink: #ffffff;
  --accent: #e8871e;
  --accent-ink: #241300;
  --border: #e1e6e4;
  --success-bg: #eaf3e7;
  --success-ink: #1f6b2c;
  --danger: #b3261e;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

header.top {
  background: var(--primary);
  color: var(--primary-ink);
  padding: 20px 16px;
}

header.top .wrap {
  padding: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

header.top h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
}

header.top .sub {
  font-size: 0.85rem;
  opacity: 0.85;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 18px;
}

.total-card {
  background: var(--success-bg);
  border-color: #cfe4c9;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.total-card .label {
  font-weight: 600;
  color: var(--success-ink);
}

.total-card .value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--success-ink);
  font-variant-numeric: tabular-nums;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 14px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.field {
  margin-bottom: 14px;
}

input[type="date"],
input[type="number"],
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  color: var(--ink);
}

input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  padding: 13px 18px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

button.secondary, .btn.secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}

button.danger-link {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 0;
  cursor: pointer;
}

.entry-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.entry-row:last-child {
  border-bottom: none;
}

.entry-row .date {
  font-weight: 600;
}

.entry-row .note {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
}

.entry-row .hours {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.empty {
  color: var(--muted);
  font-size: 0.9rem;
}

details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  padding: 4px 0;
}

.msg {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.msg.ok {
  background: var(--success-bg);
  color: var(--success-ink);
}

.msg.error {
  background: #fbe9e7;
  color: var(--danger);
}

table.overview {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.overview th, table.overview td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}

table.overview th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

table.overview td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.link-cell {
  font-size: 0.78rem;
  color: var(--muted);
  word-break: break-all;
}

footer.note {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 24px;
}

@media (max-width: 420px) {
  .wrap {
    padding: 16px 12px 40px;
  }
}