:root {
  --bg: #f5f6f8;
  --card-bg: #ffffff;
  --text: #1a1c1f;
  --text-muted: #6b7280;
  --primary: #3b82f6;
  --border: #e5e7eb;
  --danger: #ef4444;
  --success: #22c55e;
  --radius: 14px;
  --nav-height: 64px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card-bg: #1f2227;
    --text: #f3f4f6;
    --text-muted: #9ca3af;
    --border: #2c2f36;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
}

#app {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

h1 {
  font-size: 22px;
  margin: 8px 0 16px;
}

h2 {
  font-size: 16px;
  color: var(--text-muted);
  margin: 24px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.card.erledigt {
  opacity: 0.55;
}

.card-info { flex: 1; min-width: 0; }
.card-titel { font-weight: 600; font-size: 16px; }
.card-meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.check-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.check-btn.checked {
  background: var(--success);
  border-color: var(--success);
  color: white;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 16px;
}

button {
  font-family: inherit;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  background: var(--primary);
  color: white;
  font-size: 15px;
  cursor: pointer;
}

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

.btn.danger {
  background: var(--danger);
}

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Login */
.login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  gap: 24px;
}

.user-picker {
  display: flex;
  gap: 16px;
}

.user-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
}

.user-btn .avatar {
  width: 64px;
  height: 64px;
  font-size: 22px;
}

.user-btn.selected .avatar {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

.pin-pad {
  display: grid;
  grid-template-columns: repeat(3, 64px);
  gap: 10px;
}

.pin-pad button {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.pin-dots {
  display: flex;
  gap: 12px;
  height: 16px;
}

.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--primary);
}

.pin-dot.filled {
  background: var(--primary);
}

.login-error {
  color: var(--danger);
  font-size: 14px;
  min-height: 20px;
}

/* Form */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  font-size: 15px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input { width: auto; }

.user-toggle-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.user-toggle {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}

.user-toggle.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 10;
}

.nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
}

.nav-btn.active {
  color: var(--primary);
}

.nav-icon {
  font-size: 18px;
}

.hidden {
  display: none !important;
}

.offline-banner {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #f59e0b;
  color: #1a1c1f;
  text-align: center;
  padding: 6px 10px;
  font-size: 13px;
}

.week-day {
  margin-bottom: 4px;
}

.week-day-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  margin: 16px 0 6px;
}