/* 習い事教室体験予約フォーム フロントエンド用スタイルシート */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* デザインシステム変数 */
.ctr-booking-app {
    --ctr-primary: hsl(215, 90%, 52%);
    --ctr-primary-hover: hsl(215, 90%, 45%);
    --ctr-primary-light: hsl(215, 100%, 97%);
    --ctr-primary-light-hover: hsl(215, 100%, 93%);
    --ctr-success: hsl(142, 72%, 43%);
    --ctr-success-hover: hsl(142, 72%, 36%);
    --ctr-success-light: hsl(142, 70%, 97%);
    --ctr-warning: hsl(38, 92%, 50%);
    --ctr-warning-light: hsl(38, 92%, 96%);
    --ctr-danger: hsl(350, 89%, 60%);
    --ctr-danger-light: hsl(350, 89%, 96%);
    
    --ctr-text-main: hsl(222, 47%, 11%);
    --ctr-text-muted: hsl(215, 16%, 47%);
    --ctr-bg-app: #ffffff;
    --ctr-bg-input: hsl(210, 40%, 98%);
    --ctr-border: hsl(214, 32%, 91%);
    --ctr-border-hover: hsl(214, 32%, 80%);
    
    --ctr-radius-lg: 16px;
    --ctr-radius-md: 12px;
    --ctr-radius-sm: 8px;
    
    --ctr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ctr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --ctr-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    --ctr-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --ctr-font: 'Plus Jakarta Sans', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* アプリコンテナ */
.ctr-booking-app {
    font-family: var(--ctr-font);
    color: var(--ctr-text-main);
    background-color: var(--ctr-bg-app);
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-lg);
    box-shadow: var(--ctr-shadow-lg);
    padding: 35px;
    max-width: 760px;
    margin: 20px auto;
    box-sizing: border-box;
    line-height: 1.6;
}

.ctr-booking-app * {
    box-sizing: border-box;
}

/* ユーティリティ */
.ctr-booking-app .mt-15 { margin-top: 15px; }
.ctr-booking-app .mt-20 { margin-top: 20px; }
.ctr-booking-app .required { color: var(--ctr-danger); margin-left: 2px; }
.ctr-booking-app .highlight-text {
    font-weight: 700;
    color: var(--ctr-primary);
}

/* ステップインジケーター */
.ctr-steps-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 35px;
}

.ctr-step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.ctr-step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--ctr-bg-input);
    border: 2px solid var(--ctr-border);
    color: var(--ctr-text-muted);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ctr-step-label {
    margin-top: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ctr-text-muted);
    transition: all 0.3s ease;
    text-align: center;
}

.ctr-step-line {
    flex: 1;
    height: 2px;
    background-color: var(--ctr-border);
    margin: 0 -15px;
    position: relative;
    top: -10px; /* 数字の高さに合わせる */
    z-index: 0;
}

/* ステップの状態 */
.ctr-step-item.active .ctr-step-num {
    background-color: var(--ctr-primary);
    border-color: var(--ctr-primary);
    color: #ffffff;
    box-shadow: 0 0 0 4px hsl(215, 90%, 90%);
}

.ctr-step-item.active .ctr-step-label {
    color: var(--ctr-primary);
    font-weight: 700;
}

.ctr-step-item.completed .ctr-step-num {
    background-color: var(--ctr-success);
    border-color: var(--ctr-success);
    color: #ffffff;
}

.ctr-step-item.completed .ctr-step-label {
    color: var(--ctr-success);
}

/* 各パネルの表示切り替え */
.ctr-booking-step {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s ease;
}

.ctr-booking-step.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.ctr-step-intro h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px 0;
    color: var(--ctr-text-main);
}

.ctr-step-intro p {
    font-size: 13px;
    color: var(--ctr-text-muted);
    margin: 0;
}

/* ----------------------------------------------------
 * カレンダー (Step 1)
 * ----------------------------------------------------
 */
.ctr-calendar-wrapper {
    margin-top: 25px;
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-md);
    padding: 20px;
    background-color: #ffffff;
}

.ctr-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.ctr-calendar-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    color: var(--ctr-text-main);
}

.ctr-cal-btn {
    background: #ffffff;
    border: 1px solid var(--ctr-border);
    color: var(--ctr-text-main);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--ctr-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

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

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

.ctr-calendar-table th,
.ctr-calendar-table td {
    width: 14.28%;
    text-align: center;
    padding: 8px 0;
}

.ctr-calendar-table th {
    font-size: 12px;
    font-weight: 600;
    color: var(--ctr-text-muted);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--ctr-border);
}

.ctr-calendar-table th.ctr-sun,
.ctr-calendar-table td.ctr-sun-cell {
    color: var(--ctr-danger);
}

.ctr-calendar-table th.ctr-sat,
.ctr-calendar-table td.ctr-sat-cell {
    color: var(--ctr-primary);
}

.ctr-calendar-table td {
    height: 64px;
    vertical-align: top;
    border-radius: var(--ctr-radius-sm);
    cursor: default;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid transparent;
}

.ctr-calendar-table td .date-number {
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
}

.ctr-calendar-table td .status-indicator {
    font-size: 14px;
    font-weight: 700;
    margin-top: 4px;
}

.status-marker {
    display: inline-block;
    line-height: 1;
}

.color-available { color: var(--ctr-success); }
.color-few { color: var(--ctr-warning); }
.color-full { color: var(--ctr-text-muted); }
.color-none { color: #e2e8f0; }

/* 日付セルの状態に応じた装飾 */
.ctr-calendar-table td.ctr-empty-cell {
    cursor: default;
}

.ctr-calendar-table td.ctr-past-day {
    opacity: 0.4;
}

.ctr-calendar-table td.ctr-no-slots {
    opacity: 0.4;
}

.ctr-calendar-table td.ctr-day-full {
    opacity: 0.6;
}

.ctr-calendar-table td.ctr-has-slots {
    cursor: pointer;
    background-color: var(--ctr-primary-light);
    border-color: hsl(215, 100%, 93%);
}

.ctr-calendar-table td.ctr-has-slots:hover {
    background-color: var(--ctr-primary-light-hover);
    transform: scale(1.04);
    box-shadow: var(--ctr-shadow-md);
    z-index: 10;
}

.ctr-calendar-table td.ctr-has-slots.active {
    background-color: var(--ctr-primary) !important;
    border-color: var(--ctr-primary) !important;
    color: #ffffff !important;
    transform: scale(1.04);
    box-shadow: var(--ctr-shadow-md);
    z-index: 10;
}

.ctr-calendar-table td.ctr-has-slots.active .status-marker {
    color: #ffffff !important;
}

.ctr-calendar-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    font-size: 11px;
    color: var(--ctr-text-muted);
    border-top: 1px solid var(--ctr-border);
    padding-top: 12px;
}

.legend-icon {
    font-weight: 700;
    margin-right: 4px;
}

.marker-available { color: var(--ctr-success); }
.marker-few { color: var(--ctr-warning); }
.marker-full { color: var(--ctr-text-muted); }

/* ----------------------------------------------------
 * 時間枠リスト (Step 1 下部)
 * ----------------------------------------------------
 */
.ctr-slots-wrapper {
    margin-top: 25px;
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-md);
    padding: 20px;
    background-color: hsl(210, 40%, 99%);
    animation: ctrSlideDown 0.3s ease;
}

@keyframes ctrSlideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ctr-slots-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 15px 0;
    color: var(--ctr-text-main);
}

.selected-date-display {
    color: var(--ctr-primary);
    margin-left: 6px;
    font-size: 14px;
}

.ctr-slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.ctr-slot-btn {
    background: #ffffff;
    border: 2px solid var(--ctr-border);
    border-radius: var(--ctr-radius-sm);
    padding: 12px 10px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    outline: none;
    width: 100%;
}

.ctr-slot-btn:hover:not(:disabled) {
    border-color: var(--ctr-primary);
    transform: translateY(-2px);
    box-shadow: var(--ctr-shadow-md);
}

.ctr-slot-btn.active {
    border-color: var(--ctr-primary);
    background-color: var(--ctr-primary-light);
    box-shadow: 0 0 0 1px var(--ctr-primary);
}

.slot-time {
    font-size: 15px;
    font-weight: 700;
    color: var(--ctr-text-main);
}

.slot-status-lbl {
    font-size: 11px;
    margin-top: 4px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
}

.slot-status-lbl.available {
    background-color: var(--ctr-success-light);
    color: var(--ctr-success);
}

.slot-status-lbl.few {
    background-color: var(--ctr-warning-light);
    color: var(--ctr-warning);
}

.slot-status-lbl.full {
    background-color: var(--ctr-text-muted);
    color: #ffffff;
}

.ctr-slot-btn:disabled {
    cursor: not-allowed;
    background-color: var(--ctr-border);
    opacity: 0.5;
    border-color: var(--ctr-border);
}

/* ----------------------------------------------------
 * 共通入力フォーム
 * ----------------------------------------------------
 */
.ctr-selected-slot-banner {
    background: linear-gradient(135deg, hsl(215, 90%, 52%), hsl(215, 90%, 62%));
    color: #ffffff;
    border-radius: var(--ctr-radius-md);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--ctr-shadow-md);
}

.banner-tag {
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.banner-datetime {
    font-size: 15px;
    font-weight: 700;
}

.ctr-form-public {
    margin-top: 20px;
}

.ctr-form-public .ctr-form-row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -8px;
    margin-right: -8px;
}

.ctr-form-public .ctr-col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 8px;
}

@media (max-width: 576px) {
    .ctr-form-public .ctr-col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

.ctr-form-public .ctr-form-group {
    margin-bottom: 20px;
    width: 100%;
}

.ctr-form-public label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--ctr-text-main);
    font-size: 13px;
}

.ctr-form-public input[type="text"],
.ctr-form-public input[type="email"],
.ctr-form-public input[type="tel"],
.ctr-form-public select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-sm);
    background-color: var(--ctr-bg-input);
    color: var(--ctr-text-main);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.ctr-form-public input:focus,
.ctr-form-public select:focus {
    border-color: var(--ctr-primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px hsl(215, 90%, 90%);
}

.form-help {
    font-size: 11px;
    color: var(--ctr-text-muted);
    margin: 4px 0 0 0;
}

/* ----------------------------------------------------
 * ボタンデザイン
 * ----------------------------------------------------
 */
.ctr-btn {
    font-family: var(--ctr-font);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--ctr-radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

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

.ctr-btn-primary:hover:not(:disabled) {
    background-color: var(--ctr-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--ctr-shadow-md);
}

.ctr-btn-primary:disabled {
    background-color: var(--ctr-border);
    color: var(--ctr-text-muted);
    cursor: not-allowed;
}

.ctr-btn-outline {
    background-color: #ffffff;
    border: 1px solid var(--ctr-border);
    color: var(--ctr-text-muted);
}

.ctr-btn-outline:hover {
    border-color: var(--ctr-text-muted);
    color: var(--ctr-text-main);
    background-color: var(--ctr-bg-input);
}

.ctr-btn-success {
    background-color: var(--ctr-success);
    color: #ffffff;
}

.ctr-btn-success:hover:not(:disabled) {
    background-color: var(--ctr-success-hover);
    transform: translateY(-1px);
    box-shadow: var(--ctr-shadow-md);
}

.ctr-btn-success:disabled {
    background-color: var(--ctr-border);
    color: var(--ctr-text-muted);
    cursor: not-allowed;
}

.ctr-btn-group {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

@media (max-width: 480px) {
    .ctr-btn-group {
        flex-direction: column-reverse;
    }
    .ctr-btn-group button {
        width: 100%;
    }
}

/* エラーメッセージバナー */
.ctr-error-message-banner {
    background-color: var(--ctr-danger-light);
    border: 1px solid hsl(350, 89%, 90%);
    color: var(--ctr-danger);
    border-radius: var(--ctr-radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
}

/* ----------------------------------------------------
 * 確認画面 (Step 3)
 * ----------------------------------------------------
 */
.ctr-confirm-table-wrapper {
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-md);
    overflow: hidden;
}

.ctr-confirm-table {
    width: 100%;
    border-collapse: collapse;
}

.ctr-confirm-table th,
.ctr-confirm-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--ctr-border);
    text-align: left;
}

.ctr-confirm-table tr:last-child th,
.ctr-confirm-table tr:last-child td {
    border-bottom: none;
}

.ctr-confirm-table th {
    background-color: var(--ctr-bg-input);
    color: var(--ctr-text-muted);
    font-weight: 600;
    font-size: 13px;
    width: 25%;
}

.ctr-confirm-table td {
    color: var(--ctr-text-main);
    font-size: 14px;
}

@media (max-width: 576px) {
    .ctr-confirm-table th,
    .ctr-confirm-table td {
        display: block;
        width: 100%;
    }
    .ctr-confirm-table th {
        padding-bottom: 4px;
        background-color: transparent;
        border-bottom: none;
    }
    .ctr-confirm-table td {
        padding-top: 4px;
    }
}

/* スピナー */
.ctr-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: ctrSpin 0.8s linear infinite;
    display: inline-block;
}

@keyframes ctrSpin {
    to { transform: rotate(360deg); }
}

/* ----------------------------------------------------
 * 完了画面 (Step 4)
 * ----------------------------------------------------
 */
.ctr-success-wrapper {
    text-align: center;
    padding: 20px 0;
}

.ctr-success-icon {
    width: 72px;
    height: 72px;
    background-color: var(--ctr-success-light);
    color: var(--ctr-success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.ctr-success-icon svg {
    width: 36px;
    height: 36px;
}

.ctr-success-wrapper h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ctr-text-main);
    margin: 0 0 10px 0;
}

.success-intro {
    font-size: 14px;
    color: var(--ctr-text-muted);
}

.ctr-success-details {
    background-color: var(--ctr-bg-input);
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-md);
    padding: 20px;
    max-width: 480px;
    margin: 25px auto 0 auto;
}

.ctr-success-details p {
    margin: 0 0 8px 0;
    font-size: 13px;
}

.ctr-success-details p:last-child {
    margin-bottom: 0;
    font-size: 11px;
    color: var(--ctr-text-muted);
}

#ctr-success-datetime {
    color: var(--ctr-success);
    font-weight: 700;
}

/* アンケート回答欄のスタイル (バージョン1.10) */
.ctr-survey-public-section {
    border-top: 1px dashed var(--ctr-border);
    padding-top: 20px;
    margin-top: 25px;
}

.ctr-survey-group {
    margin-bottom: 24px;
}

.ctr-survey-group label {
    font-weight: 600;
    color: var(--ctr-text-main);
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
}

.ctr-radio-group,
.ctr-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 5px;
}

.ctr-radio-group label,
.ctr-checkbox-group label {
    font-weight: 400 !important;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--ctr-text-main);
    margin: 0 !important;
}

.ctr-radio-group input[type="radio"],
.ctr-checkbox-group input[type="checkbox"] {
    margin: 0 8px 0 0 !important;
    width: 18px !important;
    height: 18px !important;
    cursor: pointer;
}

.ctr-survey-input {
    background-color: var(--ctr-bg-input);
    border: 1px solid var(--ctr-border);
    border-radius: var(--ctr-radius-sm);
    font-family: inherit;
    font-size: 14px;
    padding: 10px 12px;
    transition: all 0.2s ease;
}

.ctr-survey-input:focus {
    border-color: var(--ctr-primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px hsl(215, 90%, 90%);
}