:root {
  --bg: #fdf6f0;
  --card: #ffffff;
  --ink: #3a2e2a;
  --sub: #8a7a72;
  --accent: #d97757;
  --accent-dark: #b95f42;
  --border: #ece2da;
  --done-bg: #f3f0ec;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: 20px;
  margin: 0;
}

.logout-btn, .delete-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  color: var(--sub);
  cursor: pointer;
  font-size: 13px;
}

.logout-btn:hover, .delete-btn:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 16px 24px 0;
}

.tab-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  cursor: pointer;
  font-size: 14px;
  color: var(--sub);
}

.tab-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

#add-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

#add-form input, #add-form textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

#add-form textarea {
  min-height: 60px;
}

#add-form button {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  cursor: pointer;
}

#add-form button:hover {
  background: var(--accent-dark);
}

#entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.entry.done {
  background: var(--done-bg);
}

.entry.done .entry-title {
  text-decoration: line-through;
  color: var(--sub);
}

.entry-main {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  flex: 1;
}

.entry-main input[type="checkbox"] {
  margin-top: 4px;
  width: 18px;
  height: 18px;
}

.entry-title {
  font-size: 15px;
  font-weight: 600;
}

.entry-content {
  font-size: 13px;
  color: var(--sub);
  margin-top: 4px;
  white-space: pre-wrap;
}

.entry-meta {
  font-size: 12px;
  color: var(--sub);
  margin-top: 6px;
}

.empty {
  text-align: center;
  color: var(--sub);
  padding: 40px 0;
  list-style: none;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  width: 300px;
  text-align: center;
}

.login-card h1 {
  font-size: 20px;
  margin-bottom: 24px;
}

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

.login-card input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
}

.login-card button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
  cursor: pointer;
}

.login-card button:hover {
  background: var(--accent-dark);
}

.error {
  color: #c0392b;
  font-size: 13px;
  min-height: 18px;
}