:root {
  --bg: #e8e2d9;
  --text: #4b3621;
  --primary: #224b22;
  --secondary: #6b783e;
  --card: #fffbf6;
  --surface: #f3ede4;
  --border: #c9bdb0;
  --muted: #7a6b5a;
  --risk: #b36b42;
  --risk-bg: #fce4d6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.hidden { display: none !important; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.logo {
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  font-size: 1.25rem;
}

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

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

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

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem;
}

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

.btn {
  display: inline-block;
  border: none;
  border-radius: 0.5rem;
  padding: 0.6rem 1rem;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

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

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.85rem; }

.input, .select, .textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--card);
  color: var(--text);
  font: inherit;
}

.textarea { min-height: 80px; resize: vertical; }

.label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.field { margin-bottom: 1rem; }

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

.error { color: var(--risk); font-size: 0.9rem; }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card { width: 100%; max-width: 400px; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
}

.stat.alert {
  background: var(--risk-bg);
  border-color: rgba(179, 107, 66, 0.3);
  color: var(--risk);
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.stat.alert .stat-label { color: var(--risk); }

.stat-value {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 0.15rem;
}

.kanban {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.kanban-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.75rem;
  min-height: 200px;
}

.kanban-col h3 {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
}

.task-title { font-weight: 600; margin-bottom: 0.35rem; }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--border);
  color: var(--muted);
}

.badge.high { background: var(--risk-bg); color: var(--risk); }

.task-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

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

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

.progress {
  height: 0.6rem;
  background: rgba(201, 189, 176, 0.4);
  border-radius: 999px;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--primary);
}

h1 { margin: 0 0 0.5rem; font-size: 1.6rem; }
h2 { margin: 0 0 0.75rem; font-size: 1.2rem; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tabs a {
  padding: 0.4rem 0.8rem;
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
}

.tabs a.active {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(34, 75, 34, 0.08);
}

.list-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

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

.empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.gantt-section {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.gantt-section h3 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.gantt-sub {
  font-size: 0.85rem;
  margin: 0 0 1rem;
}

.gantt-wrap {
  overflow-x: auto;
  min-width: 0;
}

.gantt-header-row,
.gantt-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0.5rem;
  align-items: center;
  min-width: 640px;
}

.gantt-header-row {
  margin-bottom: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.gantt-corner {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.gantt-weeks {
  display: grid;
  grid-template-columns: repeat(var(--weeks), 1fr);
  gap: 0.25rem;
}

.gantt-week {
  text-align: center;
  padding: 0.35rem 0.25rem;
  background: var(--surface);
  border-radius: 0.35rem;
  font-size: 0.7rem;
  white-space: nowrap;
}

.gantt-row {
  margin-bottom: 0.5rem;
}

.gantt-task-label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-right: 0.5rem;
}

.gantt-task-name {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.2;
}

.gantt-status {
  width: fit-content;
  font-size: 0.65rem;
}

.gantt-track {
  position: relative;
  height: 28px;
  background: rgba(201, 189, 176, 0.25);
  border-radius: 0.4rem;
}

.gantt-bar {
  position: absolute;
  top: 4px;
  height: 20px;
  border-radius: 0.35rem;
  min-width: 4px;
}

.gantt-bar.done { background: var(--primary); }
.gantt-bar.in-progress { background: var(--secondary); }
.gantt-bar.review { background: #3d6b3d; }
.gantt-bar.todo { background: var(--muted); opacity: 0.7; }
.gantt-bar.overdue { background: var(--risk); }

.gantt-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.gantt-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.gantt-dot.done { background: var(--primary); }
.gantt-dot.in-progress { background: var(--secondary); }
.gantt-dot.todo { background: var(--muted); }
.gantt-dot.overdue { background: var(--risk); }