:root {
  --color-bg: #f4f6f5;
  --color-card: #ffffff;
  --color-text: #1c1f1e;
  --color-muted: #6b7370;
  --color-accent: #1f8a5f;
  --color-positive: #1f8a5f;
  --color-negative: #c0392b;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  padding-bottom: env(safe-area-inset-bottom);
}

.page {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.summary {
  position: relative;
  background: var(--color-card);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 20px;
  text-align: center;
}

.logout-form {
  position: absolute;
  top: 12px;
  right: 12px;
}

.btn-logout {
  border: none;
  background: none;
  color: var(--color-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px 6px;
}

.summary-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.summary-label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.summary-value {
  font-size: 2rem;
  font-weight: 700;
}

.summary-sub {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

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

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

.entry-form {
  background: var(--color-card);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.entry-form summary {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
}

.entry-form form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 14px;
}

.sign-toggle {
  display: flex;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e0e0e0;
}

.sign-option {
  flex: 1;
  text-align: center;
  padding: 12px;
  cursor: pointer;
  color: var(--color-muted);
}

.sign-option input {
  display: none;
}

.sign-option.expense:has(input:checked) {
  background: #fdecea;
  color: var(--color-negative);
  font-weight: 600;
}

.sign-option.income:has(input:checked) {
  background: #e8f6ef;
  color: var(--color-positive);
  font-weight: 600;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.field input,
.field textarea,
.field select {
  font-size: 1rem;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #dcdcdc;
  background: #fafafa;
  color: var(--color-text);
  font-family: inherit;
}

.field textarea {
  resize: none;
  overflow: hidden;
  min-height: 44px;
}

.category-filter {
  display: flex;
}

.category-filter select {
  flex: 1;
  font-size: 0.95rem;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid #dcdcdc;
  background: var(--color-card);
  color: var(--color-text);
  box-shadow: var(--shadow);
}

.btn-submit {
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--color-accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

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

.entry-item {
  background: var(--color-card);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px 16px;
}

.entry-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.entry-amount {
  font-size: 1.15rem;
  font-weight: 700;
}

.entry-date {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.entry-category {
  margin-top: 4px;
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-accent);
  background: #e8f6ef;
  padding: 2px 8px;
  border-radius: 8px;
}

.entry-note {
  margin-top: 4px;
  color: var(--color-text);
  white-space: pre-wrap;
}

.entry-attachment {
  display: inline-block;
  margin-top: 8px;
  color: var(--color-accent);
  font-size: 0.9rem;
  text-decoration: none;
}

.entry-actions {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.entry-delete-form {
  display: inline;
}

.btn-delete {
  border: none;
  background: none;
  color: var(--color-negative);
  font-size: 0.85rem;
  padding: 6px 0;
  cursor: pointer;
}

.btn-edit {
  color: var(--color-accent);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 600;
}

.entry-empty {
  text-align: center;
  color: var(--color-muted);
  padding: 24px;
}

.btn-export {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  background: var(--color-card);
  box-shadow: var(--shadow);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}

.category-add-form {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.category-add-form input {
  flex: 1;
  font-size: 1rem;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #dcdcdc;
  background: #fafafa;
  color: var(--color-text);
}

.btn-compact {
  padding: 12px 16px;
  white-space: nowrap;
}

.category-manage-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-manage-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #fafafa;
  border-radius: 10px;
  border: 1px solid #eee;
}

.current-attachment {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.current-attachment a {
  color: var(--color-accent);
}

.remove-attachment {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-muted);
}

.remove-attachment input {
  width: auto;
}

.btn-cancel {
  text-align: center;
  padding: 12px;
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--color-card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 32px 28px;
  text-align: center;
}

.login-icon {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 8px;
}

.login-title {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 700;
}

.login-subtitle {
  margin: 4px 0 24px;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.login-error {
  background: #fdecea;
  color: var(--color-negative);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}