/* Go! Calendar - style.css */
:root {
  --color-primary: #1a73e8;
  --color-primary-hover: #1557b0;
  --color-primary-light: #e8f0fe;
  --color-danger: #d93025;
  --color-danger-light: #fce8e6;
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-text-primary: #202124;
  --color-text-secondary: #5f6368;
  --color-text-disabled: #9aa0a6;
  --color-border: #dadce0;
  --color-border-light: #e8eaed;
  --color-sunday: #c62828;
  --color-saturday: #1565c0;
  --shadow-1: 0 1px 3px rgba(60, 64, 67, 0.15);
  --shadow-2: 0 4px 12px rgba(60, 64, 67, 0.15);
  --shadow-3: 0 8px 32px rgba(60, 64, 67, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Noto Sans JP", "Segoe UI", "Hiragino Sans", "Meiryo", sans-serif; background: var(--color-bg); color: var(--color-text-primary); height: 100vh; overflow: hidden; display: flex; flex-direction: column; }
.hidden { display: none !important; }
.settings-screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px 10%; }
.settings-card { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-2); padding: 48px 10%; width: 100%; }
.settings-title { font-size: 1.6rem; font-weight: 700; color: var(--color-primary); text-align: center; margin-bottom: 8px; }
.settings-form { display: flex; flex-direction: column; gap: 12px; }
.settings-label { font-size: 0.95rem; font-weight: 600; color: var(--color-text-secondary); margin-top: 8px; }
.settings-input { padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 1rem; outline: none; transition: border-color 0.15s, box-shadow 0.15s; width: 100%; }
.settings-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.2); }
.settings-hint { font-size: 0.85rem; color: var(--color-text-secondary); line-height: 1.5; }
.settings-save-btn { margin-top: 16px; padding: 16px 32px; background: var(--color-primary); color: var(--color-surface); border: none; border-radius: 10px; font-size: 1.05rem; font-weight: 600; cursor: pointer; transition: background 0.15s; width: 100%; }
.settings-save-btn:hover { background: var(--color-primary-hover); }

.settings-save-btn:active { transform: scale(0.98); }
.settings-subtitle { font-size: 0.95rem; color: var(--color-text-secondary); text-align: center; margin-bottom: 36px; }
.settings-step { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.settings-step-number { width: 32px; height: 32px; min-width: 32px; border-radius: 50%; background: var(--color-primary); color: #fff; font-size: 0.9rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-top: 28px; }
.settings-step-content { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.settings-hint a { color: var(--color-primary); text-decoration: none; }
.settings-hint a:hover { text-decoration: underline; }
.header { background: var(--color-surface); padding: 8px 2%; box-shadow: var(--shadow-1); flex-shrink: 0; }
.header-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.header-title { font-size: 1rem; font-weight: 600; color: var(--color-text-secondary); white-space: nowrap; }
.header-right { display: flex; align-items: center; gap: 12px; }

/* 設定・ログアウトを同サイズのアイコンボタンに統一 */
.header-icon-btn {
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: transparent;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: background 0.2s;
}

.header-icon-btn:hover {
  background: #f1f3f4;
}

/* 月ナビゲーション */
.month-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 8px;
}

.month-nav-btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: background 0.2s, border-color 0.2s;
}

.month-nav-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.month-nav-label {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  min-width: 140px;
  text-align: center;
}

.month-buttons { display: flex; flex-wrap: wrap; gap: 4px; }
.month-btn { flex: 1 1 auto; min-width: 56px; min-height: 48px; padding: 10px 8px; border: 1px solid var(--color-border); border-radius: 6px; background: var(--color-surface); color: var(--color-text-primary); font-size: 1rem; font-weight: 600; cursor: pointer; text-align: center; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.month-btn:hover { background: var(--color-primary-light); border-color: var(--color-primary); color: var(--color-primary); }
.month-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-surface); }
.main-content { padding: 4px 2%; flex: 1; position: relative; overflow: hidden; }
.calendar-grid { display: flex; flex-direction: column; height: 100%; }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); background: var(--color-primary); border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.weekday { padding: 10px 4px; text-align: center; font-size: 0.95rem; font-weight: 700; color: var(--color-surface); letter-spacing: 0.05em; }
.weekday.sun { color: #ffcdd2; }
.weekday.sat { color: #bbdefb; }
.calendar-days { display: grid; grid-template-columns: repeat(7, 1fr); grid-template-rows: repeat(var(--row-count, 6), 1fr); flex: 1; background: var(--color-surface); border: 1px solid var(--color-border); border-top: none; border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.day-cell { border-right: 1px solid var(--color-border-light); border-bottom: 1px solid var(--color-border-light); padding: 4px 6px; cursor: pointer; overflow: hidden; display: flex; flex-direction: column; min-height: 0; transition: background 0.1s; }
.day-cell:hover { background: #f0f4ff; }
.day-cell:nth-child(7n) { border-right: none; }
.day-cell.other-month { background: #fafafa; cursor: default; }
.day-cell.other-month .day-number { color: var(--color-text-disabled); }
.day-number { font-size: 0.95rem; font-weight: 600; color: var(--color-text-primary); display: inline-block; width: 28px; height: 28px; line-height: 28px; text-align: center; border-radius: 50%; flex-shrink: 0; margin-bottom: 2px; }
.day-number.sun { color: var(--color-sunday); }
.day-number.sat { color: var(--color-saturday); }
.day-number.today { background: var(--color-primary); color: var(--color-surface); box-shadow: 0 2px 4px rgba(26, 115, 232, 0.3); }
.event-bar { font-size: 0.8rem; line-height: 1.4; padding: 3px 8px; margin-top: 2px; border-radius: 4px; color: var(--color-surface); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; cursor: pointer; flex-shrink: 0; font-weight: 500; min-height: 24px; }
.event-bar:hover { opacity: 0.85; }
.event-more { font-size: 0.65rem; color: var(--color-text-secondary); padding: 0 4px; margin-top: 1px; flex-shrink: 0; }
.loading-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.loading-spinner { width: 40px; height: 40px; border: 4px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 20px 10%; animation: fadeIn 0.2s ease-out; }
.modal-card { background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-3); padding: 32px 10%; width: 100%; max-height: 85vh; overflow-y: auto; animation: slideUp 0.25s ease-out; }
.modal-title { font-size: 1.3rem; font-weight: 700; color: var(--color-text-primary); margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--color-border-light); }
.modal-form { display: flex; flex-direction: column; gap: 10px; }
.modal-label { font-size: 0.95rem; font-weight: 600; color: #3c4043; margin-top: 4px; }
.modal-input { padding: 14px 16px; min-height: 48px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 1rem; outline: none; transition: border-color 0.15s, box-shadow 0.15s; width: 100%; font-family: inherit; }
.modal-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.2); }
.modal-textarea { min-height: 80px; resize: vertical; }
.modal-actions { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.modal-save-btn { width: 100%; padding: 14px 24px; background: var(--color-primary); color: var(--color-surface); border: none; border-radius: 10px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background 0.15s, transform 0.1s; }
.modal-save-btn:hover { background: var(--color-primary-hover); }
.modal-save-btn:active { transform: scale(0.98); }
.modal-delete-btn { padding: 12px 24px; background: var(--color-surface); color: var(--color-danger); border: 1px solid var(--color-danger); border-radius: 10px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: background 0.15s; }
.modal-delete-btn:hover { background: var(--color-danger-light); }
.modal-cancel-btn { padding: 12px 24px; background: var(--color-surface); color: var(--color-text-secondary); border: 1px solid var(--color-border); border-radius: 10px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: background 0.15s, border-color 0.15s; }
.modal-cancel-btn:hover { background: #f5f5f5; border-color: #bbb; }

.month-btn:active,
.header-icon-btn:active,
.month-nav-btn:active {
  transform: scale(0.92);
  transition: transform 0.05s;
}

.day-cell:not(.other-month):active {
  background: var(--color-primary-light);
  transition: background 0.05s;
}

*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}


.modal-secondary-actions {
  display: flex;
  gap: 12px;
}

.modal-secondary-actions > button {
  flex: 1;
}

.calendar-days {
  transition: opacity 0.15s ease-out;
}

.calendar-days.fading {
  opacity: 0.3;
}

.event-bar {
  animation: barAppear 0.2s ease-out;
}

@keyframes barAppear {
  from { opacity: 0; transform: translateX(-4px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 600px) {
    .header { padding: 8px 2%; }
    .header-row { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 10px; }
    .header-title { font-size: 0.9rem; }
    .header-right { width: 100%; justify-content: space-between; }
    .month-btn { min-width: 40px; min-height: 40px; padding: 6px 2px; font-size: 0.85rem; }
    .main-content { padding: 4px 2%; }
    .day-number { font-size: 0.8rem; width: 22px; height: 22px; line-height: 22px; }
    .event-bar { font-size: 0.7rem; padding: 0 2px; min-height: 20px; }
    .event-more { font-size: 0.55rem; }
    .settings-card { padding: 28px 10%; }
    .settings-title { font-size: 1.25rem; margin-bottom: 24px; }
    .modal-card { padding: 20px 6%; }
}
/* タブレット縦向き */
@media (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    .header { padding: 12px 10%; }
    .main-content { padding: 8px 10%; }
    .month-buttons { gap: 6px; }
    .month-btn { min-width: 56px; padding: 10px 4px; }
    .day-cell { padding: 3px 4px; }
    .event-bar { font-size: 0.65rem; padding: 2px 4px; }
}
/* タブレット横向き */
@media (min-width: 768px) and (max-width: 1366px) and (orientation: landscape) {
    .header { padding: 8px 10%; }
    .main-content { padding: 4px 10%; }
    .month-btn { min-width: 64px; }
    .day-cell { padding: 3px 4px; }
    .event-bar { font-size: 0.65rem; padding: 2px 4px; }
}