/* 日時選択ツール - 週カレンダースタイル */

/* 2カラムレイアウト */
.main-layout {
    display: grid;
    grid-template-columns: 7fr 3fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.left-column {
    min-width: 0;
}

.right-column {
    position: sticky;
    top: var(--spacing-xl);
}

/* Flatpickrカスタムスタイル */
.flatpickr-calendar {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-lighter);
}

.flatpickr-months .flatpickr-month {
    background: var(--bg-white);
    color: var(--text-primary);
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
    background: var(--bg-white);
}

.flatpickr-current-month input.cur-year {
    color: var(--text-primary);
}

.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
    color: var(--text-secondary);
    fill: var(--text-secondary);
}

.flatpickr-months .flatpickr-prev-month:hover,
.flatpickr-months .flatpickr-next-month:hover {
    color: var(--primary-color);
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: var(--primary-color);
}

.flatpickr-innerContainer {
    background: var(--bg-white);
}

.flatpickr-weekdays {
    background: var(--bg-white);
}

span.flatpickr-weekday {
    color: var(--text-secondary);
    font-weight: 600;
}

.flatpickr-days {
    background: var(--bg-white);
}

.flatpickr-day {
    color: var(--text-primary);
    border-radius: var(--radius-sm);
}

.flatpickr-day:hover {
    background: var(--primary-lighter);
    border-color: var(--primary-lighter);
}

.flatpickr-day.today {
    border-color: var(--primary-color);
}

.flatpickr-day.today:hover {
    background: var(--primary-lighter);
    border-color: var(--primary-color);
}

.flatpickr-day.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.flatpickr-day.selected:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* 現在表示中の週のハイライト */
.flatpickr-day.current-week {
    background: rgba(77, 208, 225, 0.25);
    border-radius: 0;
}

.flatpickr-day.current-week:hover {
    background: rgba(77, 208, 225, 0.4);
}

.flatpickr-day.current-week.selected {
    background: var(--primary-color);
}

/* 土曜日（青） */
.flatpickr-day:nth-child(7n+7) {
    color: #1976d2;
    background: rgba(25, 118, 210, 0.05);
}

.flatpickr-day:nth-child(7n+7):hover {
    background: rgba(25, 118, 210, 0.15);
    border-color: rgba(25, 118, 210, 0.15);
}

.flatpickr-day:nth-child(7n+7).selected {
    background: #1976d2;
    border-color: #1976d2;
    color: white;
}

/* 日曜日（赤） */
.flatpickr-day:nth-child(7n+1) {
    color: #d32f2f;
    background: rgba(211, 47, 47, 0.05);
}

.flatpickr-day:nth-child(7n+1):hover {
    background: rgba(211, 47, 47, 0.15);
    border-color: rgba(211, 47, 47, 0.15);
}

.flatpickr-day:nth-child(7n+1).selected {
    background: #d32f2f;
    border-color: #d32f2f;
    color: white;
}

/* 曜日ヘッダーの色 */
span.flatpickr-weekday:nth-child(7) {
    color: #1976d2;
}

span.flatpickr-weekday:nth-child(1) {
    color: #d32f2f;
}

/* 週ナビゲーション */
.week-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn-nav {
    background: var(--bg-white);
    border: 2px solid var(--border-lighter);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-secondary);
}

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

.week-label {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 220px;
    text-align: center;
    cursor: pointer;
    transition: color var(--transition-normal);
}

.week-label:hover {
    color: var(--primary-color);
}

.nav-buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.btn-today {
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-today:hover {
    background: var(--primary-hover);
}

.btn-calendar {
    background: var(--bg-white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-calendar:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

.btn-calendar i {
    font-size: 1.1em;
}

.date-picker-hidden {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* カレンダーセクション */
.calendar-section {
    margin-bottom: var(--spacing-2xl);
}

.calendar-container {
    background: var(--bg-white);
    border: 1px solid var(--border-lighter);
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* カレンダーヘッダー */
.calendar-header {
    display: flex;
    border-bottom: 2px solid var(--border-lighter);
    background: var(--bg-section);
}

.time-column-header {
    width: 60px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-lighter);
}

.day-headers {
    display: flex;
    flex: 1;
}

.day-header {
    flex: 1;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-sm);
    border-right: 1px solid var(--border-lighter);
    font-weight: 600;
    color: var(--text-secondary);
}

.day-header:last-child {
    border-right: none;
}

.day-header.today {
    background: var(--primary-light);
    color: var(--primary-hover);
}

.day-header.saturday {
    color: #1976d2;
}

.day-header.sunday {
    color: #d32f2f;
}

.day-header .day-name {
    font-size: 0.85em;
    display: block;
}

.day-header .day-date {
    font-size: 1.1em;
    display: block;
    margin-top: 2px;
}

/* カレンダー本体 - スクロールなしで全表示 */
.calendar-body {
    display: flex;
}

.time-column {
    width: 60px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-lighter);
    background: var(--bg-lighter);
}

.time-label {
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-lighter);
}

.time-label.double {
    height: 48px;
}

/* カレンダーグリッド */
.calendar-grid {
    flex: 1;
    display: flex;
    user-select: none;
}

.day-column {
    flex: 1;
    border-right: 1px solid var(--border-lighter);
}

.day-column:last-child {
    border-right: none;
}

.time-slot {
    height: 24px;
    border-bottom: 1px solid var(--border-lighter);
    cursor: pointer;
    transition: background-color 0.1s ease;
    position: relative;
}

.time-slot.half-slot {
    border-bottom: 1px dashed var(--border-lighter);
}

.time-slot:hover {
    background: var(--primary-lighter);
}

.time-slot.selected {
    background: var(--primary-color);
}

.time-slot.selecting {
    background: rgba(77, 208, 225, 0.5);
}

.time-slot.today-column {
    background: rgba(77, 208, 225, 0.05);
}

.time-slot.today-column:hover {
    background: var(--primary-lighter);
}

.time-slot.today-column.selected {
    background: var(--primary-color);
}

/* 選択範囲の時間表示 */
.slot-time-label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65em;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    pointer-events: none;
    white-space: nowrap;
    z-index: 1;
}

.slot-time-label.start-label {
    top: 2px;
}

.slot-time-label.end-label {
    bottom: 2px;
}

/* 開始と終了が同じスロットの場合 */
.time-slot.selection-start.selection-end .slot-time-label.start-label {
    top: 50%;
    transform: translate(-50%, -50%);
}

.time-slot.selection-start.selection-end .slot-time-label.end-label {
    display: none;
}

/* カレンダーヒント */
.calendar-hint {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9em;
    margin-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.calendar-hint i {
    color: var(--primary-color);
}

/* 出力セクション（右カラム） */
.output-section {
    background: var(--bg-white);
    border: 1px solid var(--border-lighter);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
}

.output-box {
    margin-bottom: var(--spacing-xl);
}

.output-label {
    color: var(--text-muted);
    font-size: 0.85em;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.output-value {
    font-size: 1em;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.8;
    min-height: 100px;
    padding: var(--spacing-lg);
    background: var(--bg-lighter);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-lighter);
}

.output-value.placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

/* 出力アクションボタン */
.output-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-copy-main {
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-copy-main:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-copy-main:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-copy-main.copied {
    background: #4caf50;
}

.btn-clear {
    background: var(--bg-white);
    color: var(--text-muted);
    border: 2px solid var(--border-lighter);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: 0.9em;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.btn-clear:hover:not(:disabled) {
    border-color: #d32f2f;
    color: #d32f2f;
}

.btn-clear:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* コピートースト */
.copy-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #333;
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 0.95em;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.copy-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.copy-toast i {
    color: #4caf50;
}

/* レスポンシブ対応 - タブレット */
@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .right-column {
        position: static;
    }

    .output-section {
        margin-top: var(--spacing-xl);
    }

    .output-actions {
        flex-direction: row;
    }

    .btn-copy-main,
    .btn-clear {
        flex: 1;
    }
}

@media (max-width: 768px) {
    .week-nav {
        gap: var(--spacing-md);
    }

    .week-label {
        font-size: 1em;
        min-width: auto;
        order: -1;
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }

    .nav-buttons {
        order: 1;
    }

    .time-column {
        width: 50px;
    }

    .time-column-header {
        width: 50px;
    }

    .day-header {
        padding: var(--spacing-sm);
    }

    .day-header .day-name {
        font-size: 0.75em;
    }

    .day-header .day-date {
        font-size: 0.95em;
    }

    .time-slot {
        height: 20px;
    }

    .time-label {
        height: 20px;
        font-size: 0.65em;
    }

    .time-label.double {
        height: 40px;
    }

    .output-value {
        font-size: 1em;
        min-height: 60px;
    }

    .output-actions {
        flex-direction: column;
    }
}

/* レスポンシブ対応 - スマートフォン */
@media (max-width: 480px) {
    .day-header .day-name {
        font-size: 0.65em;
    }

    .day-header .day-date {
        font-size: 0.85em;
    }

    .time-column {
        width: 40px;
    }

    .time-column-header {
        width: 40px;
    }

    .time-label {
        font-size: 0.6em;
    }

    .time-label.double {
        height: 36px;
    }

    .time-slot {
        height: 18px;
    }

    .output-value {
        font-size: 0.9em;
        word-break: break-all;
    }
}