:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #dcdfe4;
  --text: #1f2430;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1e4fc4;
  --danger: #dc2626;
  --success: #16a34a;
  --arbeiter: #64748b;
  --controlling: #0ea5e9;
  --boss: #a855f7;
  --master: #d97706;
}

* { box-sizing: border-box; }

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

.hidden { display: none !important; }

.screen { min-height: 100vh; }

/* --- Login --- */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1e293b, #0f172a);
}
.login-box {
  background: var(--card);
  padding: 2.5rem;
  border-radius: 12px;
  width: 320px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.login-box h1 { font-size: 1.3rem; margin-bottom: 1.5rem; text-align: center; }

/* --- Layout --- */
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header h1 { font-size: 1.15rem; margin: 0; }
.user-info { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: var(--muted); }

nav#main-nav {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem 1.5rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.tab-btn {
  border: none;
  background: transparent;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--muted);
  white-space: nowrap;
}
.tab-btn:hover { background: var(--bg); }
.tab-btn.active { background: var(--primary); color: white; }

main { max-width: 900px; margin: 0 auto; padding: 1.5rem; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* --- Forms --- */
form { display: flex; flex-direction: column; gap: 0.4rem; max-width: 480px; }
label { font-size: 0.85rem; font-weight: 600; color: var(--muted); margin-top: 0.5rem; }
input, select, textarea {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: var(--card);
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }

button {
  margin-top: 1rem;
  padding: 0.65rem 1.2rem;
  border: none;
  border-radius: 8px;
  background: var(--primary);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}
button:hover { background: var(--primary-dark); }
button.secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  margin-top: 0.5rem;
}
button.secondary:hover { background: #eff4ff; }
button.danger { background: var(--danger); }
button.danger:hover { background: #b91c1c; }

.error { color: var(--danger); font-size: 0.85rem; min-height: 1.2em; }
.success { color: var(--success); font-size: 0.85rem; }
.hint { color: var(--muted); font-size: 0.82rem; margin-top: 0.3rem; }

/* --- Task cards --- */
.filter-bar { margin-bottom: 1rem; font-size: 0.9rem; display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; }
.filter-bar select { padding: 0.3rem 0.5rem; margin-left: 0.4rem; }
.inline-edit-form { margin-top: 0.6rem; padding-top: 0.6rem; border-top: 1px dashed var(--border); display: flex; flex-direction: column; gap: 0.4rem; }
.inline-edit-form input, .inline-edit-form select, .inline-edit-form textarea { max-width: 100%; }
.row-flex { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; }

.task-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--arbeiter);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.9rem;
}
.task-card.role-arbeiter { border-left-color: var(--arbeiter); }
.task-card.role-controlling { border-left-color: var(--controlling); }
.task-card.role-boss { border-left-color: var(--boss); }
.task-card.role-master { border-left-color: var(--master); }
.task-card.status-erledigt { opacity: 0.6; }

.task-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.task-title { font-weight: 700; font-size: 1.02rem; }
.task-meta { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
.task-description { font-size: 0.9rem; margin-top: 0.5rem; white-space: pre-wrap; }

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  margin-right: 0.3rem;
}
.badge.recurring { background: #ede9fe; color: #6d28d9; }
.badge.status-offen { background: #fee2e2; color: #991b1b; }
.badge.status-in_arbeit { background: #fef3c7; color: #92400e; }
.badge.status-erledigt { background: #dcfce7; color: #166534; }

.task-actions { display: flex; gap: 0.4rem; align-items: center; margin-top: 0.6rem; flex-wrap: wrap; }
.task-actions select { padding: 0.3rem 0.5rem; font-size: 0.85rem; }
.task-actions button { margin-top: 0; padding: 0.3rem 0.7rem; font-size: 0.82rem; }

.checklist { margin-top: 0.7rem; border-top: 1px dashed var(--border); padding-top: 0.6rem; }
.checklist-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.88rem; padding: 0.15rem 0; }
.checklist-item.checked { color: var(--muted); text-decoration: line-through; }

.template-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 0.8rem;
}
.template-card ul { margin: 0.4rem 0 0 1.2rem; padding: 0; font-size: 0.9rem; }

.custom-item-row { display: flex; gap: 0.4rem; margin-bottom: 0.3rem; }
.custom-item-row input { flex: 1; }
.custom-item-row button { margin: 0; padding: 0.3rem 0.6rem; background: var(--danger); }

.user-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}