:root {
  --color-primary: #7c5cbf;
  --color-primary-dark: #5f4291;
  --color-primary-light: #ede7f6;
  --color-bg: #faf8fc;
  --color-card: #ffffff;
  --color-text: #3a2e4d;
  --color-text-light: #8a7ba0;
  --color-danger: #d9534f;
  --color-success: #4caf82;
  --color-border: #e4dcf0;
  --radius: 14px;
  --header-height: 56px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-tap-highlight-color: transparent;
}

/* ログイン画面 */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(160deg, var(--color-primary-light) 0%, var(--color-bg) 60%);
}

.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: 0 8px 24px rgba(124, 92, 191, 0.12);
}

.login-title {
  text-align: center;
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  margin: 0 0 24px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.form-label input {
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-text);
}

.form-label input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.error-message {
  color: var(--color-danger);
  background: #fdecea;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
}

.success-message {
  color: var(--color-success);
  background: #eaf7f1;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.9rem;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  padding: 10px 16px;
  cursor: pointer;
  transition: background 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

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

.btn-block {
  width: 100%;
}

.btn-small {
  padding: 8px 12px;
  font-size: 0.85rem;
}

.btn-icon {
  background: transparent;
  padding: 6px 10px;
  font-size: 1rem;
  color: var(--color-text-light);
}

.btn-icon.danger {
  color: var(--color-danger);
}

.btn-move {
  background: transparent;
  border: none;
  color: var(--color-primary);
  font-size: 0.9rem;
  padding: 4px 6px;
  cursor: pointer;
}

.btn-move:disabled {
  color: #d8d0e6;
  cursor: default;
}

/* ヘッダー */
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-height);
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-primary);
  color: #fff;
  padding: 0 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.app-title {
  font-size: 1.1rem;
  margin: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-name {
  font-size: 0.85rem;
  opacity: 0.9;
}

.header-right .btn-ghost {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

/* メイン */
.app-main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px 12px 48px;
}

.add-category-section {
  margin-bottom: 16px;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.inline-form input[type="text"],
.inline-form input[type="date"] {
  flex: 1;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  min-width: 0;
}

.inline-form input[type="date"] {
  flex: 1 1 140px;
  color: var(--color-text);
}

.inline-form input[type="text"]:focus,
.inline-form input[type="date"]:focus {
  outline: none;
  border-color: var(--color-primary);
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.category-card,
.event-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 2px 10px rgba(124, 92, 191, 0.08);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
}

.category-name {
  flex: 1;
  font-size: 1.05rem;
  margin: 0;
  color: var(--color-primary-dark);
  overflow-wrap: anywhere;
}

.event-title-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.event-title-block .category-name {
  flex: none;
}

.event-date {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.category-actions {
  display: flex;
  gap: 2px;
}

.category-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.event-count {
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.move-event-select {
  flex: 1;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 6px;
  font-size: 0.85rem;
  color: var(--color-text);
  background: #fff;
  min-width: 0;
}

/* カテゴリ一覧・イベント詳細の見出し */
.page-heading {
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  margin: 0 0 4px;
}

.category-heading-section {
  margin-bottom: 16px;
}

/* 未分類イベント */
.unassigned-section {
  margin-top: 24px;
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 2px 10px rgba(124, 92, 191, 0.08);
}

.unassigned-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.unassigned-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.unassigned-name {
  flex: 1;
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.unassigned-row .assign-category-select {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 6px 4px;
  font-size: 0.82rem;
  background: #fff;
  color: var(--color-text);
}

.empty-message {
  text-align: center;
  color: var(--color-text-light);
  padding: 32px 16px;
}

/* トースト */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  max-width: 90%;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  color: #fff;
  background: var(--color-text);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  z-index: 100;
}

.toast-success {
  background: var(--color-success);
}

.toast-error {
  background: var(--color-danger);
}

/* セクション見出し */
.section-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 16px 0 8px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.category-header + .item-section .section-label {
  padding-top: 0;
  border-top: none;
  margin-top: 4px;
}

.item-section summary.section-label {
  cursor: pointer;
}

.bulk-import {
  margin-top: 10px;
  border: 1px dashed var(--color-border);
  border-radius: 10px;
  padding: 10px 12px;
}

.bulk-import summary {
  font-size: 0.85rem;
  color: var(--color-primary-dark);
  cursor: pointer;
}

.bulk-member-text {
  width: 100%;
  margin-top: 8px;
  font-size: 0.9rem;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  resize: vertical;
  font-family: inherit;
}

.bulk-import-btn {
  margin-top: 8px;
}

.upline-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
}

.upline-filter label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

.upline-filter select {
  flex: 1;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 6px;
  font-size: 0.85rem;
  background: #fff;
  color: var(--color-text);
}

/* チェック項目管理セクション */
.item-manage-list {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

.item-manage-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.item-title-block {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.item-manage-row .item-title {
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.item-due-date {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* メモ・リッチエディタ */
.memo-section {
  margin-bottom: 4px;
}

.memo-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 8px;
  background: var(--color-bg);
  border-radius: 8px;
}

.memo-btn {
  padding: 6px 10px;
  font-size: 0.9rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.memo-font-size {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 6px 4px;
  font-size: 0.82rem;
  background: var(--color-card);
  color: var(--color-text);
}

.memo-color-swatches {
  display: flex;
  gap: 4px;
}

.memo-color-btn {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  cursor: pointer;
  padding: 0;
}

.memo-editor {
  min-height: 80px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px;
  font-size: 0.95rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.memo-editor:focus {
  outline: none;
  border-color: var(--color-primary);
}

.memo-editor img {
  display: block;
  margin: 6px 0;
  border-radius: 8px;
}

.memo-save-btn {
  margin-top: 8px;
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

/* 進捗マトリクス */
.matrix-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  border-radius: 10px;
}

.matrix-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.85rem;
}

.matrix-table th,
.matrix-table td {
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  padding: 6px 8px;
  text-align: center;
  white-space: nowrap;
}

.matrix-name-head,
.matrix-upline-head,
.matrix-item-head {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.matrix-name-head,
.matrix-name-cell {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--color-primary-light);
  text-align: left;
}

.matrix-item-title {
  display: block;
  white-space: nowrap;
}

.matrix-item-due {
  display: block;
  font-size: 0.72rem;
  font-weight: normal;
  color: var(--color-text-light);
  white-space: nowrap;
}

td.matrix-name-cell {
  background: var(--color-card);
}

.matrix-name-cell,
.matrix-upline-cell {
  min-width: 110px;
}

.matrix-name-input {
  width: 100%;
  min-width: 90px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px 6px;
  font-size: 0.85rem;
  background: transparent;
}

.matrix-name-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}

.matrix-upline-select,
.matrix-new-upline {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 5px 4px;
  font-size: 0.8rem;
  background: #fff;
  color: var(--color-text);
}

.matrix-new-name {
  width: 100%;
  border: 1px dashed var(--color-primary);
  border-radius: 6px;
  padding: 6px;
  font-size: 0.85rem;
}

.matrix-new-hint {
  color: var(--color-text-light);
  font-size: 0.78rem;
  text-align: left;
  white-space: normal;
}

.matrix-cell {
  min-width: 44px;
}

.matrix-checkbox {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

.matrix-delete-head,
.matrix-delete-cell {
  min-width: 36px;
}

.matrix-delete-cell .btn-icon {
  padding: 4px 6px;
}

/* 設定画面 */
.back-link {
  margin: 0 0 16px;
}

.back-link a {
  color: var(--color-primary-dark);
  font-size: 0.9rem;
  text-decoration: none;
}

/* カテゴリ別/開催日順 切り替え */
.view-nav {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.view-nav-link {
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text-light);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.85rem;
  text-decoration: none;
}

.view-nav-link.active {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}

/* 開催日順イベント一覧 */
.date-event-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.date-event-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--color-card);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 2px 10px rgba(124, 92, 191, 0.08);
}

.date-event-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.date-event-date {
  font-size: 0.78rem;
  color: var(--color-primary-dark);
  font-weight: bold;
}

.date-event-name {
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.date-event-category {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

/* クリエ別タスク一覧 */
.upline-report-event {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(124, 92, 191, 0.08);
}

.upline-report-event-name {
  font-size: 1.05rem;
  margin: 0 0 12px;
}

.upline-report-event-name a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.upline-report-member {
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
}

.upline-report-member-name {
  font-weight: bold;
  font-size: 0.95rem;
  margin: 0 0 6px;
}

.upline-report-item-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.upline-report-item {
  font-size: 0.9rem;
  padding: 3px 0;
  color: var(--color-text-light);
}

.upline-report-due {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.upline-report-item.is-checked {
  color: var(--color-text);
}

.upline-report-empty {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0;
}

.settings-section {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 2px 10px rgba(124, 92, 191, 0.08);
}

.settings-heading {
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  margin: 0 0 6px;
}

.settings-desc {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0 0 16px;
}

.upline-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.upline-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.upline-name {
  flex: 1;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.upline-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.settings-link {
  margin: 0 0 16px;
}

.settings-link a {
  color: var(--color-primary-dark);
  font-size: 0.9rem;
  text-decoration: none;
}

/* ログインアカウント管理 */
.user-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.user-row-name {
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.user-row-email {
  font-size: 0.8rem;
  color: var(--color-text-light);
  overflow-wrap: anywhere;
}

.user-row-self {
  font-size: 0.8rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.user-add-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* タブレット以上 */
@media (min-width: 768px) {
  .app-main {
    padding-top: 24px;
  }

  .category-card,
  .event-card {
    padding: 20px 24px;
  }
}