:root {
  --bg: #faf7f2;
  --surface: #ffffff;
  --border: #e5ddd0;
  --text: #2b2620;
  --text-soft: #766b5c;
  --accent: #8a6a4f;
  --accent-contrast: #ffffff;
  --danger: #b5493a;
  --checked-bg: #f1ece2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a17;
    --surface: #262320;
    --border: #3a352e;
    --text: #ece6dc;
    --text-soft: #b3a893;
    --accent: #c99f79;
    --accent-contrast: #1c1a17;
    --danger: #e08a7a;
    --checked-bg: #302b24;
  }
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}

.screen { min-height: 100vh; }
.screen[hidden] { display: none !important; }

/* Login */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  max-width: 360px;
  width: 100%;
  text-align: center;
}
.login-box h1 { font-size: 1.3rem; margin: 0 0 8px; }
.hint { color: var(--text-soft); margin: 0 0 20px; font-size: 0.95rem; }
.login-box input {
  width: 100%;
  font-size: 1.4rem;
  text-align: center;
  letter-spacing: 0.2em;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  margin-bottom: 14px;
}
.login-box button {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.login-box button:active { opacity: 0.85; }
.error { color: var(--danger); margin: 12px 0 0; font-size: 0.9rem; }

/* App */
header {
  padding: 28px 20px 8px;
  max-width: 720px;
  margin: 0 auto;
}
header h1 { font-size: 1.4rem; margin: 0; }
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 16px 40px;
}
main[hidden] { display: none !important; }

.tabs {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  border: none;
  background: transparent;
  color: var(--text-soft);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 4px;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.category {
  margin-top: 26px;
}
.category h2 {
  font-size: 1.05rem;
  color: var(--accent);
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 8px;
  border-radius: 10px;
}
.item:hover { background: var(--surface); }
.item.checked { background: var(--checked-bg); }
.item.checked .item-text { color: var(--text-soft); text-decoration: line-through; }

.item-checkbox {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.item-body { flex: 1; min-width: 0; }
.item-text {
  font-size: 0.98rem;
  line-height: 1.4;
  cursor: text;
  word-wrap: break-word;
}
.item-text-input {
  width: 100%;
  font-size: 0.98rem;
  line-height: 1.4;
  font-family: inherit;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  resize: vertical;
}

.item-note {
  margin-top: 6px;
}
.item-note textarea {
  width: 100%;
  min-height: 32px;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--text-soft);
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  resize: vertical;
}
.item-note textarea::placeholder { color: var(--text-soft); opacity: 0.7; }

.item-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.icon-btn {
  border: none;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 6px;
  border-radius: 6px;
  line-height: 1;
}
.icon-btn:hover { background: var(--border); color: var(--text); }
.icon-btn.delete:hover { color: var(--danger); }

.add-item-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  padding: 0 8px;
}
.add-item-row input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.92rem;
}
.add-item-row button {
  padding: 8px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  cursor: pointer;
}

.footer-note {
  max-width: 720px;
  margin: 20px auto 40px;
  padding: 0 20px;
  color: var(--text-soft);
  font-style: italic;
  font-size: 0.88rem;
}

/* Adressen */
.address-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 8px;
  border-radius: 10px;
  border-bottom: 1px solid var(--border);
}
.address-card:hover { background: var(--surface); }
.address-body { flex: 1; min-width: 0; }
.address-name { font-weight: 600; font-size: 0.98rem; }
.address-line { color: var(--text-soft); font-size: 0.9rem; margin-top: 2px; }
.address-added-by {
  color: var(--text-soft);
  font-size: 0.82rem;
  font-style: italic;
  margin-top: 4px;
}
.address-actions { display: flex; gap: 6px; flex-shrink: 0; }

.address-edit-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  flex: 1;
}
.address-edit-form input {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.88rem;
}
.address-edit-form .field-wide { grid-column: 1 / -1; }
.address-edit-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.address-edit-actions button {
  padding: 6px 12px;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  cursor: pointer;
}
.address-edit-actions .save-btn { background: var(--accent); color: var(--accent-contrast); }
.address-edit-actions .cancel-btn { background: transparent; color: var(--text-soft); border: 1px solid var(--border); }

.add-address-card {
  margin-top: 24px;
  padding: 16px;
  border-radius: 12px;
  border: 1px dashed var(--border);
}
.add-address-card h3 { margin: 0 0 10px; font-size: 1rem; color: var(--accent); }
.address-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.address-form input {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.92rem;
}
.address-form button {
  grid-column: 1 / -1;
  padding: 10px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
}
@media (max-width: 480px) {
  .address-form, .address-edit-form { grid-template-columns: 1fr; }
}