/* ================= リセットとベース ================= */
* {
  box-sizing: border-box;
}

:root {
  --bg: #fafafa;
  --text: #333;
  --panel: #ffffff;
  --muted-panel: #f9f9f9;
  --border: #ccc;
  --header: #4a7c59;
  --btn-bg: #fff;
  --btn-text: #333;
  --btn-hover: #4a7c59;
  --btn-hover-text: #fff;
  --danger-bg: #fff0f0;
  --danger-text: #cc4a4a;
  --danger-border: #f5c6c6;
  --danger-hover: #cc4a4a;
  --danger-hover-text: #fff;
}

body {
  font-family: "Yu Gothic", "游ゴシック体", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 10px 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}
body.theme-dark {
  --bg: #14171d;
  --text: #e8edf3;
  --panel: #1d2430;
  --muted-panel: #242d3a;
  --border: #3b465a;
  --header: #2b5a8a;
  --btn-bg: #273244;
  --btn-text: #e8edf3;
  --btn-hover: #34689b;
  --btn-hover-text: #fff;
  --danger-bg: #4a2b2b;
  --danger-text: #ffb3b3;
  --danger-border: #803d3d;
  --danger-hover: #d15656;
  --danger-hover-text: #fff;
}

/* ================= ヘッダー ================= */
header {
  text-align: center;
  margin-bottom: 10px;
}

header h1 {
  font-size: 1.6rem;
  margin: 0;
}

/* ================= ナビボタン ================= */
.nav-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-group.main-nav button,
.nav-group.extra-nav button {
  cursor: pointer;
  padding: 6px 12px;
  font-size: 16px;
  border: 1px solid var(--border);
  background-color: var(--btn-bg);
  color: var(--btn-text);
  border-radius: 4px;
  transition: background-color 0.3s ease;
  -webkit-user-select: none;
  user-select: none;
}

.nav-group.main-nav button:hover,
.nav-group.extra-nav button:hover {
  background-color: var(--btn-hover);
  color: var(--btn-hover-text);
}

/* ================= 今日 設定 保存 読込み ボタン配置 ================= */
@media (min-width: 601px) {
  .main-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
  }

  .main-buttons button {
    min-width: 120px;
    padding: 8px 12px;
    font-size: 16px;
    flex-grow: 1;
  }

  .today-button-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
  }

  #today-button {
    min-width: 124px;
    padding: 9px 14px;
    font-size: 16px;
    font-weight: 700;
    border: 1px solid var(--border);
    background-color: var(--btn-bg);
    border-radius: 4px;
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    transition: background-color 0.3s ease;
    text-align: center;
  }

  #today-button:hover {
    background-color: var(--btn-hover);
    color: var(--btn-hover-text);
  }
}

@media (max-width: 600px) {
  .main-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 12px;
    width: 100%;
    margin-bottom: 12px;
  }

  .main-buttons button {
    font-size: 14px;
    padding: 6px 8px;
  }

  .today-button-wrapper {
    margin-top: 15px;
    width: 100%;
  }

  #today-button {
    width: 100%;
    font-size: 14px;
    padding: 8px 12px;
  }

  .nav-buttons {
    flex-direction: column;
    gap: 6px;
  }

  .nav-group.extra-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 12px;
    width: 100%;
  }

  .nav-group.extra-nav button {
    font-size: 14px;
    padding: 6px 8px;
  }
}

/* ================= カレンダー ================= */
#calendar-container {
  width: 100%;
  max-width: 720px;
  overflow-x: auto;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
  background: var(--panel);
}

#calendar {
  border-collapse: collapse;
  width: 100%;
  table-layout: fixed;
}

#calendar th,
#calendar td {
  border: 1px solid var(--border);
  width: 14.28%;
  padding: 6px;
  height: 80px;
  font-size: 14px;
  vertical-align: top;
  -webkit-user-select: none;
  user-select: none;
  overflow: hidden;
  word-break: break-word;
}

#calendar th {
  background-color: var(--header);
  color: white;
  font-weight: 600;
  text-align: center;
}

.sunday {
  color: #cc4a4a;
}

.saturday {
  color: #4a6bcc;
}

.adjacent-month {
  color: #bbb;
  background-color: var(--muted-panel);
}

.today {
  background-color: #fff4c2;
  border: 2px solid #c58a00;
}

body.theme-dark .today {
  background-color: #3c4658;
  border: 2px solid #ffd76a;
}

td > div:first-child {
  font-weight: bold;
  margin-bottom: 4px;
}

/* ================= イベント表示 ================= */
.event {
  background-color: #d3f1d8;
  color: #1d2a22;
  border-radius: 6px;
  margin-bottom: 3px;
  padding: 3px 6px;
  font-size: 13px;
  line-height: 1.2em;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  cursor: default;
}

.event-tag {
  padding: 1px 5px;
  border-radius: 3px;
  color: white;
  font-size: 0.75em;
  font-weight: 600;
  -webkit-user-select: none;
  user-select: none;
}

.event-location {
  font-size: 0.75em;
  color: #444;
  margin-left: 4px;
}

.event-notify {
  font-size: 0.9em;
  margin-left: 4px;
}

.event > button {
  margin-left: auto;
  padding: 3px 8px;
  font-size: 0.75em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background-color: #56657a;
  color: white;
}

.event > button:hover {
  background-color: #4a7c59;
}

/* ================= モーダル（予定追加/編集） ================= */
.modal-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.4);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal {
  background-color: var(--panel);
  color: var(--text);
  border-radius: 12px;
  padding: 20px 25px;
  max-width: 480px;
  width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.2);
}

.modal h2 {
  margin-top: 0;
  text-align: center;
}

.event-inputs label {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
  font-size: 0.95em;
}

.event-inputs label.notify-label {
  flex-direction: row;
  align-items: center;
  gap: 6px;
}

.event-inputs input[type="text"],
.event-inputs input[type="time"],
.event-inputs input[type="color"],
.event-inputs textarea,
select {
  width: 100%;
  box-sizing: border-box;
  padding: 6px;
  font-size: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 5px;
  resize: vertical;
  min-height: 2em;
  font-family: inherit;
}

.event-inputs textarea {
  min-height: 3em;
  max-height: 10em;
  overflow-y: auto;
  font-family: inherit;
}

/* モーダルボタン */
.modal-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.modal-buttons button {
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  background-color: var(--btn-hover);
  color: white;
  font-size: 14px;
  transition: background-color 0.3s ease;
}

.modal-buttons button:hover { filter: brightness(1.08); }

/* ================= タグカラー設定 ================= */
.tag-color-list {
  max-height: 250px;
  overflow-y: auto;
  margin-bottom: 12px;
}

.tag-color-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.tag-color-item label {
  flex-grow: 1;
  -webkit-user-select: none;
  user-select: none;
}

.tag-color-item input[type="color"] {
  cursor: pointer;
  background: none;
  width: 40px;
  height: 30px;
  padding: 0;
  border-radius: 4px;
  appearance: none;
}

.tag-color-item button {
  background-color: #cc4a4a;
  color: white;
  padding: 4px 8px;
  border: none;
  border-radius: 4px;
  font-size: 0.85em;
  cursor: pointer;
}

.tag-color-item button:hover {
  background-color: #a83232;
}

.tag-add {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 12px;
}

.tag-add input[type="text"] {
  flex-grow: 1;
  padding: 6px 8px;
  font-size: 1em;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.tag-add input[type="color"] {
  width: 40px;
  height: 32px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  appearance: none;
}

.tag-add button {
  background-color: var(--btn-hover);
  color: white;
  padding: 6px 14px;
  font-weight: 600;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.tag-add button:hover { filter: brightness(1.08); }
.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.settings-grid > div {
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--muted-panel);
}
.settings-grid label,
.settings-grid select {
  width: 100%;
}

.danger-zone {
  margin-top: 15px;
  padding: 12px;
  border: 1px solid var(--danger-border);
  border-radius: 8px;
  background-color: var(--danger-bg);
  text-align: center;
}

.danger-zone h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--danger-text);
  font-size: 1.1em;
}

.btn-danger {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--danger-text);
  border-radius: 6px;
  background-color: var(--danger-bg);
  color: var(--danger-text);
  cursor: pointer;
  transition: all 0.3s ease;
}

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

/* 初期状態の非表示設定 */
#load-json-input,
#search-open-btn,
.notification-popup {
  display: none;
}

/* ================= レスポンシブ（スマホ対応） ================= */
@media (max-width: 600px) {
  body {
    padding: 6px 10px;
  }

  /* カレンダー全体パディングをやや狭く */
  #calendar {
    padding: 4px;
    width: 100% !important;
    min-width: 100% !important;
  }

  /* カレンダーテーブルのフォントサイズとセルサイズ縮小 */
  #calendar th,
  #calendar td {
    font-size: 11px;
    height: 55px;
    padding: 2px;
  }

  /* 月年表示のフォントサイズを縮小 */
  #month-year {
    font-size: 1rem;
  }

  /* ボタンのパディングとフォントサイズ調整 */
  button {
    padding: 5px 8px;
    font-size: 14px;
  }

  /* テキストエリアと時間入力のフォントサイズ縮小 */
  textarea,
  input[type="time"] {
    font-size: 13px;
  }

  /* モーダルの幅とパディング調整 */
  .modal {
    max-width: 100%;
    height: auto;
    max-height: 90vh;
    padding: 16px 20px;
  }

  /* モバイルグリッド上でのイベント詳細の非表示とトリミング */
  .event-tag,
  .event-location,
  .event-notify {
    display: none !important;
  }
  .event {
    display: block !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 11px;
    padding: 2px 4px;
    margin-bottom: 2px;
  }
}

body.theme-dark .event {
  background-color: #334a68;
  color: #f2f7ff;
}

body.theme-dark .event > button,
body.theme-dark .tag-color-item button,
body.theme-dark .tag-add button {
  background-color: #3f79b7;
}

body.theme-dark .event > button:hover,
body.theme-dark .tag-color-item button:hover,
body.theme-dark .tag-add button:hover {
  background-color: #5590cf;
}


/* settings usability */
#settings-modal-bg .modal {
  max-width: 640px;
}

#settings-modal-bg h2 {
  position: sticky;
  top: 0;
  background: var(--panel);
  margin: -4px -4px 4px;
  padding: 8px 4px;
  z-index: 2;
}

#settings-cancel-btn,
.modal-close-btn {
  align-self: flex-end;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--btn-bg);
  color: var(--btn-text);
  margin-top: 10px;
}

body.theme-dark .event-tag {
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.3);
}

body.theme-dark .event-location {
  color: #d7e6ff;
}


/* themed scrollbars - Broad compatibility with feature detection */
@supports (scrollbar-width: thin) {
  * {
    scrollbar-width: thin;
    scrollbar-color: var(--btn-hover) var(--muted-panel);
  }
}

/* Fallback for Webkit browsers (Chrome < 121, Safari, Samsung) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--muted-panel); }
::-webkit-scrollbar-thumb { background: var(--btn-hover); border-radius: 10px; border: 2px solid var(--muted-panel); }
::-webkit-scrollbar-thumb:hover { filter: brightness(1.1); }

#open-tag-settings-btn,
#tag-settings-close-btn {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 600;
}

#tag-settings-modal-bg .modal { max-width: 560px; }

.tag-color-list { max-height: 55vh; }

@media (max-width: 600px) {
  #today-button {
    font-size: 15px;
    padding: 10px 12px;
    font-weight: 700;
  }
}

/* ================= フィルタステータスバー ================= */
.filter-status-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 720px;
  background-color: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: 8px;
  padding: 8px 16px;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--danger-text);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  box-sizing: border-box;
}
body.theme-dark .filter-status-banner {
  background-color: #2b1f1f;
  border-color: #5a3b3b;
  color: #ffb3b3;
}
.filter-status-text {
  font-weight: 600;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 12px;
  color: white;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  box-sizing: border-box;
}
.filter-pill-search {
  background-color: var(--header);
}
.filter-pill-tag {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25), 0 1px 3px rgba(0,0,0,0.1);
}
.filter-pill-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  background-color: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  cursor: pointer;
  font-size: 10px;
  line-height: 1;
  transition: background-color 0.2s ease;
  margin-left: 2px;
}
.filter-pill-close:hover {
  background-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.filter-clear-btn {
  background: var(--danger-text);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}
.filter-clear-btn:hover {
  filter: brightness(1.1);
}
body.theme-dark .filter-clear-btn {
  background: #d15656;
}

/* ================= 検索モーダル内タグ選択 ================= */
.tag-filters {
  margin-top: 15px;
}
.tag-filters > span {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}
#tag-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 150px;
  overflow-y: auto;
  padding: 4px;
}
.tag-select-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  background-color: var(--muted-panel);
  transition: all 0.2s ease;
  -webkit-user-select: none;
  user-select: none;
}
.tag-select-row:hover {
  border-color: var(--btn-hover);
  background-color: var(--bg);
}
.tag-select-row.is-active {
  border-color: var(--btn-hover);
  background-color: var(--btn-hover);
  color: #fff;
}
.tag-select-row.is-active .event-tag {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.4);
}
.tag-select-icon {
  font-size: 14px;
}