:root {
  --bg: #f1efe8;
  --surface: #ffffff;
  --border: rgba(0,0,0,0.12);
  --border-strong: rgba(0,0,0,0.2);
  --text: #2c2c2a;
  --text-secondary: #5f5e5a;
  --text-tertiary: #888780;
  --accent: #0f6e56;
  --accent-light: #e1f5ee;
  --urgent: #993c1d;
  --urgent-light: #faece7;
  --done: #3b6d11;
  --done-light: #eaf3de;
  --radius: 10px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

header.top h1 {
  font-size: 20px;
  font-weight: 500;
  margin: 0;
}

header.top .subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.user-badge {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-badge a {
  color: var(--text-secondary);
  text-decoration: underline;
}

nav.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

nav.tabs a {
  padding: 8px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

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

nav.tabs a.active {
  color: var(--text);
  font-weight: 500;
  border-bottom-color: var(--text);
}

.tab-separator {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 6px 8px;
}

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

.card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 1rem;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

.check-row input[type="checkbox"] {
  margin-top: 3px;
  width: 17px;
  height: 17px;
  flex-shrink: 0;
  cursor: pointer;
}

.check-row label {
  flex: 1;
  font-size: 14px;
  cursor: pointer;
}

.check-row.is-done label {
  color: var(--text-secondary);
  text-decoration: line-through;
}

.check-row.is-not-relevant {
  opacity: 0.5;
}

.check-row.is-not-relevant label {
  color: var(--text-tertiary);
  font-style: italic;
  text-decoration: line-through;
}

.check-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.category-heading {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin: 1rem 0 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.category-heading:first-child { margin-top: 0; }

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 1.25rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-num { font-size: 22px; font-weight: 500; }
.stat-label { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

.progress-wrap {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  transition: width .3s;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.data-table th {
  text-align: left;
  padding: 8px 10px;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

table.data-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.data-table tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 9px;
  border-radius: 6px;
  font-weight: 500;
  white-space: nowrap;
}

.badge.urgent { background: var(--urgent-light); color: var(--urgent); }
.badge.normal { background: var(--accent-light); color: var(--accent); }
.badge.done { background: var(--done-light); color: var(--done); }
.badge.open { background: #eee; color: #666; }
.badge.overdue { background: var(--urgent-light); color: var(--urgent); }
.badge.in-progress { background: #e8f0fe; color: #1a56db; }
.badge.postponed { background: #fef3e2; color: #b45309; }
.badge.not-relevant { background: #f0f0ed; color: var(--text-tertiary); font-style: italic; }

select, input[type="text"], input[type="date"], textarea, button {
  font-family: inherit;
  font-size: 14px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
}

button {
  cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--border-strong);
}

button:hover { background: var(--bg); }

button.primary {
  background: var(--text);
  color: white;
  border-color: var(--text);
}

button.primary:hover { opacity: 0.85; }

.week-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.week-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.week-list li:last-child { border-bottom: none; }

.week-list a { color: var(--text); text-decoration: none; }
.week-list a:hover { text-decoration: underline; }

.login-card {
  max-width: 420px;
  margin: 4rem auto;
  text-align: center;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 1.25rem;
}

.flash {
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent-light);
  color: var(--accent);
  margin-bottom: 1rem;
}

.action-row-grid {
  display: grid;
  grid-template-columns: 1fr 110px 110px 90px;
  gap: 8px;
  font-size: 13px;
  align-items: center;
}

/* --- Backlog --- */

.backlog-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.backlog-row.is-done .backlog-text {
  color: var(--text-tertiary);
  text-decoration: line-through;
}

.backlog-text {
  flex: 1;
  font-size: 14px;
}

.backlog-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.backlog-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.btn-small {
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 14px;
  line-height: 28px;
  text-align: center;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  color: var(--text-secondary);
}

.btn-small:hover { background: var(--bg); }
.btn-small.done { color: var(--done); }
.btn-small.done:hover { background: var(--done-light); }
.btn-small.delete { color: var(--urgent); }
.btn-small.delete:hover { background: var(--urgent-light); }

@media (max-width: 600px) {
  .action-row-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
  .backlog-row { flex-wrap: wrap; }
  .backlog-meta { width: 100%; }
}