/* =========================================================
   G & B Diary - style.css
   シンプル・ミニマル(白基調) デザイン
   ========================================================= */

:root {
  --bg: #faf9f5;
  --surface: #ffffff;
  --ink: #2b2b26;
  --ink-soft: #7a786f;
  --border: #e8e5db;

  --good: #5f8a68;
  --good-bg: #e7f0e5;
  --good-strong: #4b7154;

  --bad: #6f7f92;
  --bad-bg: #e9edf2;
  --bad-strong: #56657a;

  --flat: #b28a55;
  --flat-bg: #f3ead9;
  --flat-strong: #916f3f;

  --dot-pink: #ea8fa6;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 22px;

  --shadow-1: 0 2px 8px rgba(43, 43, 38, 0.06);
  --shadow-2: 0 8px 24px rgba(43, 43, 38, 0.12);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  overscroll-behavior-y: none;
  touch-action: manipulation;
}

textarea, input {
  -webkit-user-select: text;
  user-select: text;
}

button {
  font-family: inherit;
  touch-action: manipulation;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---------- ヘッダー ---------- */
.app-header {
  padding: 20px 20px 12px;
  text-align: center;
}

.logo {
  margin: 0;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.logo .amp {
  color: var(--dot-pink);
  font-weight: 500;
}

.logo-diary {
  color: var(--ink-soft);
  font-weight: 500;
}

/* ---------- タブコンテンツ ---------- */
.tab-content {
  flex: 1;
  padding: 4px 20px 100px;
}

.tab-panel {
  display: none;
  animation: fadeIn 0.18s ease;
}

.tab-panel.is-active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-lead {
  margin: 12px 4px 18px;
  font-size: 15px;
  color: var(--ink-soft);
}

/* ---------- 気分選択ボタン（書く） ---------- */
.mood-select {
  display: flex;
  gap: 10px;
}

.mood-btn {
  flex: 1;
  border: 1.5px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-m);
  padding: 18px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.mood-btn:active {
  transform: scale(0.96);
}

.mood-btn-label {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 15px;
}

.mood-btn-sub {
  font-size: 11px;
  color: var(--ink-soft);
}

.mood-btn.mood-good .mood-btn-label { color: var(--good-strong); }
.mood-btn.mood-bad .mood-btn-label { color: var(--bad-strong); }
.mood-btn.mood-flat .mood-btn-label { color: var(--flat-strong); }

.mood-btn.mood-good.is-selected { background: var(--good-bg); border-color: var(--good); }
.mood-btn.mood-bad.is-selected { background: var(--bad-bg); border-color: var(--bad); }
.mood-btn.mood-flat.is-selected { background: var(--flat-bg); border-color: var(--flat); }

/* ---------- 書くフォーム ---------- */
.write-form {
  margin-top: 20px;
}

.selected-mood-chip {
  display: inline-block;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.selected-mood-chip.mood-good { background: var(--good-bg); color: var(--good-strong); }
.selected-mood-chip.mood-bad { background: var(--bad-bg); color: var(--bad-strong); }
.selected-mood-chip.mood-flat { background: var(--flat-bg); color: var(--flat-strong); }

.diary-textarea {
  width: 100%;
  min-height: 120px;
  resize: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-m);
  background: var(--surface);
  padding: 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  font-family: inherit;
}

.diary-textarea:focus {
  outline: none;
  border-color: var(--ink-soft);
}

.char-count {
  text-align: right;
  font-size: 11px;
  color: var(--ink-soft);
  margin-top: 6px;
}

.write-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.primary-btn {
  flex: 1;
  border: none;
  border-radius: var(--radius-m);
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  padding: 15px;
  cursor: pointer;
  transition: opacity 0.12s ease, transform 0.12s ease;
}

.primary-btn:active {
  transform: scale(0.97);
}

.primary-btn:disabled {
  opacity: 0.35;
}

.secondary-btn {
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--ink-soft);
  border-radius: var(--radius-m);
  font-size: 14px;
  padding: 15px 16px;
  cursor: pointer;
}

.text-btn {
  border: none;
  background: none;
  color: var(--ink-soft);
  font-size: 13px;
  padding: 6px;
  cursor: pointer;
}

/* ---------- 読む：フィルター ---------- */
.filter-bar {
  display: flex;
  gap: 8px;
  margin: 14px 0 18px;
  overflow-x: auto;
}

.filter-btn {
  flex-shrink: 0;
  border: 1.5px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
}

.filter-btn.is-active[data-filter="good"] { background: var(--good); border-color: var(--good); color: #fff; }
.filter-btn.is-active[data-filter="bad"] { background: var(--bad); border-color: var(--bad); color: #fff; }
.filter-btn.is-active[data-filter="flat"] { background: var(--flat); border-color: var(--flat); color: #fff; }
.filter-btn.is-active[data-filter="all"] { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 読む：日記一覧 ---------- */
.entry-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.entry-date-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-date-heading {
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
  padding-left: 2px;
}

.entry-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 14px;
  box-shadow: var(--shadow-1);
}

.entry-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.entry-tag {
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.entry-tag.mood-good { background: var(--good-bg); color: var(--good-strong); }
.entry-tag.mood-bad { background: var(--bad-bg); color: var(--bad-strong); }
.entry-tag.mood-flat { background: var(--flat-bg); color: var(--flat-strong); }

.entry-time {
  font-size: 11px;
  color: var(--ink-soft);
}

.entry-text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}

.entry-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  justify-content: flex-end;
}

.icon-btn {
  border: none;
  background: var(--bg);
  color: var(--ink-soft);
  border-radius: var(--radius-s);
  font-size: 12px;
  padding: 7px 12px;
  cursor: pointer;
}

.icon-btn.danger {
  color: #b0524f;
}

.empty-state {
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 60px;
}

/* ---------- 見る：カレンダー ---------- */
.calendar-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 16px;
  margin-top: 14px;
  box-shadow: var(--shadow-1);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.calendar-month-label {
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 16px;
}

.month-nav {
  border: none;
  background: var(--bg);
  color: var(--ink);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  margin-bottom: 4px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 11px;
  color: var(--ink-soft);
  padding-bottom: 4px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-day {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 13px;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
}

.calendar-day.is-empty {
  visibility: hidden;
  cursor: default;
}

.calendar-day.is-today {
  border: 1.5px solid var(--ink-soft);
}

.calendar-day.is-selected {
  background: var(--ink);
  color: #fff;
}

.calendar-day-dot {
  position: absolute;
  bottom: 4px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--dot-pink);
}

.calendar-day.is-selected .calendar-day-dot {
  background: #fff;
}

.calendar-day-entries {
  background: var(--good-bg);
  border-radius: var(--radius-m);
  padding: 14px;
  margin-top: 12px;
}

.calendar-day-entries-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-family: "Zen Maru Gothic", sans-serif;
  font-weight: 700;
  font-size: 13px;
  color: var(--good-strong);
}

.calendar-day-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.calendar-day-list .entry-text-only {
  background: var(--surface);
  border-radius: var(--radius-s);
  padding: 10px 12px;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.calendar-day-empty {
  font-size: 13px;
  color: var(--good-strong);
  opacity: 0.7;
}

/* ---------- 見る：棒グラフ ---------- */
.graph-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-l);
  padding: 16px;
  margin-top: 14px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-1);
}

.graph-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.graph-title {
  margin: 0;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.graph-year {
  font-size: 12px;
  color: var(--ink-soft);
}

.bar-graph {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 140px;
}

.bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
  gap: 4px;
}

.bar-value {
  font-size: 10px;
  color: var(--good-strong);
  font-weight: 700;
  min-height: 12px;
}

.bar-fill {
  width: 70%;
  background: var(--good);
  border-radius: 4px 4px 2px 2px;
  min-height: 3px;
  transition: height 0.3s ease;
}

.bar-col.is-current-month .bar-fill {
  background: var(--dot-pink);
}

.bar-label {
  font-size: 9.5px;
  color: var(--ink-soft);
}

/* ---------- タブバー ---------- */
.tab-bar {
  position: sticky;
  bottom: 0;
  display: flex;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 6px 10px calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -2px 10px rgba(43, 43, 38, 0.05);
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  border: none;
  background: none;
  padding: 8px 0;
  border-radius: var(--radius-s);
  color: var(--ink-soft);
  cursor: pointer;
}

.tab-btn.is-active {
  color: var(--ink);
  background: var(--bg);
}

.tab-icon {
  font-size: 18px;
}

.tab-label {
  font-size: 11px;
  font-weight: 500;
}

/* ---------- モーダル ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 43, 38, 0.45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background: var(--surface);
  border-radius: 24px 24px 0 0;
  padding: 22px 20px calc(20px + env(safe-area-inset-bottom));
  box-shadow: var(--shadow-2);
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-title {
  margin: 0 0 14px;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: 16px;
}

.mood-select-modal .mood-btn {
  padding: 12px 6px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

/* ---------- トースト ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 999px;
  z-index: 60;
  box-shadow: var(--shadow-2);
  animation: toastIn 0.2s ease;
}

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}