:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1c232b;
  --muted: #6b7280;
  --line: #dfe3e8;
  --accent: #111827;
  --accent-contrast: #ffffff;
  --danger: #b42318;
  --success-bg: #ecfdf3;
  --success-text: #027a48;
  --error-bg: #fef3f2;
  --error-text: #b42318;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; }

.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 920px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  text-decoration: none;
  font-weight: 800;
}

.link-button {
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font: inherit;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.page-heading {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: clamp(1.7rem, 4vw, 2.3rem); }
h2 { font-size: 1.05rem; margin-bottom: 4px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .75rem;
  font-weight: 800;
  color: var(--muted);
  margin-bottom: 5px;
}

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.narrow {
  max-width: 430px;
  margin: 48px auto;
}

.stack {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 650;
  font-size: .95rem;
}

input, textarea {
  width: 100%;
  border: 1px solid #cbd1d8;
  border-radius: 10px;
  padding: 12px 13px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

input:focus, textarea:focus {
  outline: 2px solid #9ca3af;
  outline-offset: 1px;
}

.button {
  border: 0;
  border-radius: 10px;
  padding: 11px 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.button.secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.button.danger {
  background: #fff;
  color: var(--danger);
  border: 1px solid #f1b8b3;
}

.button.large {
  min-height: 50px;
}

.week-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  font-size: .9rem;
}

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

.week-nav a:last-child { text-align: right; }

.day-list {
  display: grid;
  gap: 9px;
}

.day-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1.2fr 2fr auto;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.day-card:hover {
  border-color: #aeb5be;
}

.day-card strong,
.day-card .date {
  display: block;
}

.day-card .date {
  margin-top: 2px;
  color: var(--muted);
  font-size: .85rem;
}

.day-details {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .9rem;
}

.worked {
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.total-card {
  margin-top: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.total-card strong {
  font-size: 1.5rem;
}

.time-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.worked-summary {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.worked-summary strong {
  font-size: 1.7rem;
}

.upload-box {
  border: 1px dashed #aeb5be;
  background: #fafafa;
  border-radius: 12px;
  padding: 18px;
  cursor: pointer;
}

.upload-box input {
  border: 0;
  padding: 8px 0 0;
  background: transparent;
}

.attachments {
  display: grid;
  gap: 8px;
}

.attachment-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.attachment-row form { margin: 0; }

.danger-link {
  border: 0;
  background: transparent;
  color: var(--danger);
  cursor: pointer;
}

.messages {
  margin-bottom: 16px;
  display: grid;
  gap: 8px;
}

.message {
  border-radius: 10px;
  padding: 11px 13px;
}

.message.success {
  background: var(--success-bg);
  color: var(--success-text);
}

.message.error {
  background: var(--error-bg);
  color: var(--error-text);
}

@media (max-width: 680px) {
  .container { padding-top: 18px; }

  .page-heading {
    display: grid;
  }

  .page-heading .button {
    width: 100%;
  }

  .day-card {
    grid-template-columns: 1fr auto;
  }

  .day-details {
    grid-column: 1 / -1;
    order: 3;
  }

  .time-grid {
    grid-template-columns: 1fr;
  }

  .week-nav {
    font-size: .82rem;
  }
}


.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.checkbox-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin: 0;
  flex: 0 0 auto;
}

.checkbox-help {
  margin: 0 0 18px;
  font-size: .9rem;
}