:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1d2330;
  --muted: #5c6577;
  --line: #dfe3ea;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --danger: #b3261e;
  --ok: #1e7b45;
  --warn: #9a6700;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.25rem;
  background: #16233a;
  color: #eef2fa;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.1rem;
}

.nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: #dfe8fa;
  text-decoration: none;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.12);
}

.who {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.who span {
  font-weight: 600;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.25rem;
}

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

h1 {
  font-size: 1.4rem;
  margin: 0;
}

h2 {
  font-size: 1.05rem;
  margin: 0 0 0.75rem;
}

.btn {
  display: inline-block;
  background: #eef1f6;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover {
  background: #e2e7ef;
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn.primary:hover {
  background: #174c99;
}

.btn.danger {
  color: var(--danger);
  border-color: #e6c3c0;
  background: #fdf3f2;
}

.btn.small {
  padding: 0.2rem 0.5rem;
  font-size: 0.85rem;
}

.login-wrap {
  max-width: 380px;
  margin: 12vh auto 0;
  padding: 0 1rem;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
}

.login-card h1 {
  margin-bottom: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.75rem;
}

.field label {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.45rem 0.55rem;
  background: #fff;
  color: var(--ink);
  min-width: 0;
}

.error {
  color: var(--danger);
  background: #fdf1f0;
  border: 1px solid #f0cbc7;
  border-radius: 7px;
  padding: 0.5rem 0.65rem;
  margin: 0.5rem 0;
  overflow-wrap: anywhere;
}

.week-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.week-head h1 {
  flex: 1;
  min-width: 200px;
}

.week-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: #e8edf7;
  color: #2b4f86;
}

.badge.approved {
  background: #e3f4ea;
  color: var(--ok);
}

.badge.submitted {
  background: #e8edf7;
  color: var(--accent);
}

.badge.rejected {
  background: #fdeceb;
  color: var(--danger);
}

.days {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.day {
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.55rem 0.75rem;
  background: #fbfcfe;
}

.day.holiday {
  background: #fff9e9;
}

.day-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.day-name {
  font-weight: 600;
}

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

.day-total {
  margin-left: auto;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.entries {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.4rem;
}

.entry {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.35rem 0.55rem;
  font-size: 0.92rem;
}

.entry-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

.entry-project {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  background: #eef2f8;
  border-radius: 4px;
  padding: 0.05rem 0.35rem;
}

.entry-note {
  color: var(--muted);
  overflow-wrap: anywhere;
  flex: 1;
  min-width: 100px;
}

.entry-actions {
  margin-left: auto;
}

.entry-form {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
  align-items: end;
}

.entry-form .field {
  margin-bottom: 0;
}

.entry-form .wide {
  grid-column: span 2;
}

.entry-form .actions {
  display: flex;
  align-items: end;
  gap: 0.5rem;
}

.approvals {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.approval {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 0.6rem 0.8rem;
  background: #fbfcfe;
}

.approval .who-line {
  flex: 1;
  min-width: 180px;
}

.approval .meta {
  color: var(--muted);
  font-size: 0.88rem;
}

.reject-box {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}

.reject-box input {
  flex: 1;
  min-width: 160px;
}

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

.report-form .field {
  margin-bottom: 0;
}

.report-rows {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.report-row {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  padding: 0.45rem 0.1rem;
  flex-wrap: wrap;
}

.report-row .name {
  flex: 1;
  min-width: 140px;
}

.report-row .num {
  font-variant-numeric: tabular-nums;
  min-width: 5ch;
  text-align: right;
}

.report-row .num.muted {
  color: var(--muted);
}

.report-total {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 2px solid var(--line);
  font-weight: 700;
}

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

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

@media (max-width: 720px) {
  .entry-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .entry-form .wide {
    grid-column: span 2;
  }

  .entry-form .actions {
    grid-column: span 2;
  }

  .topbar {
    padding: 0.65rem 0.85rem;
  }

  .container {
    padding: 0.85rem;
  }

  .who {
    margin-left: 0;
    width: 100%;
  }

  .approval {
    align-items: flex-start;
  }

  .report-row .num {
    min-width: 4ch;
  }
}