:root {
    /* Align with Andgreen Tokens v0 (keep soft mint personality) */
    --primary-color: var(--ag-primary, #2d6a4f);
    --primary-light: var(--ag-primary-soft, #E6F3F0);
    --text-dark: var(--ag-fg, #333333);
    --text-light: var(--ag-fg-muted, #666666);
    --text-lighter: var(--ag-fg-subtle, #888888);
    --white: var(--ag-surface, #FFFFFF);
    --light-bg: var(--ag-bg, #F5F7F9);
    --border-color: var(--ag-border, #E0E0E0);
    --border-light: var(--ag-border, #EEEEEE);
    --shadow: var(--ag-shadow-sm, 0 1px 3px rgba(0,0,0,0.04));
    --card-radius: var(--ag-radius, 10px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

body {
    background-color: var(--light-bg);
    color: var(--text-dark);
    line-height: 1.5;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 15px;
}

.header {
    text-align: center;
    margin-bottom: 20px;
}

.header h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 4px;
    font-weight: 600;
}

.header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.progress-section {
    margin-bottom: 15px;
}

.progress-bar-container {
    height: 4px;
    background-color: var(--border-light);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 5px;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.progress-text {
    text-align: right;
    font-size: 0.7rem;
    color: var(--text-lighter);
}

.question-card {
    background-color: var(--white);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow);
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.question-header {
    padding: 12px 15px;
    background-color: var(--primary-light);
    position: relative;
    text-align: center;
}

.question-number {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}

.question-stage {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background-color: #FFEBEE;
    color: #F44336;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
}

.question-title {
    margin: 0 60px;
    font-size: 0.9rem;
    font-weight: 500;
}

.question-content {
    padding: 15px;
}

.answer-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.answer-row {
    display: flex;
    gap: 10px;
}

@media (max-width: 600px) {
    .answer-row {
        flex-direction: column;
    }
}

.answer-column {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.answer-box {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.answer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--light-bg);
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-light);
}

.active-indicator {
    font-size: 0.7rem;
    color: var(--primary-color);
}

.answer-input {
    width: 100%;
    min-height: 120px;
    padding: 10px;
    border: none;
    resize: vertical;
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.answer-input:focus {
    outline: none;
}

.hidden-content {
    position: relative;
}

.hidden-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.partner-answer-area {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.partner-locked-message {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 20px;
    text-align: center;
    background-color: #f5f5f5;
    min-height: 120px;
}

.partner-locked-message svg {
    margin-bottom: 8px;
    width: 24px;
    height: 24px;
    fill: var(--text-lighter);
}

.partner-locked-message p {
    font-size: 0.8rem;
    color: var(--text-light);
}

.partner-lock-indicator {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.7rem;
    color: var(--text-lighter);
}

.partner-lock-indicator svg {
    width: 12px;
    height: 12px;
    fill: var(--text-lighter);
}

.reflection-box {
    margin-top: 10px;
    border: 1px solid #BBDEFB;
    border-radius: 4px;
    overflow: hidden;
}

.reflection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #E3F2FD;
    padding: 6px 10px;
    border-bottom: 1px solid #BBDEFB;
    font-size: 0.8rem;
    color: #1976D2;
}

.reflection-hint {
    font-size: 0.7rem;
    color: #2196F3;
}

.reflection-input {
    width: 100%;
    min-height: 80px;
    padding: 10px;
    border: none;
    resize: vertical;
    font-size: 0.9rem;
    color: var(--text-dark);
    background-color: rgba(227, 242, 253, 0.2);
}

.completion-box {
    padding: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    border-top: 1px solid var(--border-light);
    background-color: #FAFAFA;
    margin-top: 10px;
}

.completion-checkbox {
    width: 14px;
    height: 14px;
}

.completion-label {
    font-size: 0.8rem;
    color: var(--text-light);
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

.nav-button:disabled {
    background-color: #CCCCCC;
    cursor: not-allowed;
}

.nav-button:hover:not(:disabled) {
    background-color: #4e9886;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #3e8e41;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #4CAF50;
    color: #4CAF50;
}

.btn-outline:hover {
    background-color: #f0f8f0;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.8rem;
}

/* 新增的樣式 */
.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tab {
    padding: 10px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    border: none;
    border-bottom: 2px solid transparent;
    background: transparent;
    font: inherit;
    color: inherit;
}
.tab:focus-visible {
    outline: none;
    box-shadow: var(--ag-ring, 0 0 0 3px rgba(45,106,79,.35));
    border-radius: 4px;
}

.tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

.tabcontent {
    display: none;
}

.tabcontent.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.toggle-visibility {
    background: none;
    border: none;
    color: var(--primary-color);
    font-size: 0.8rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 3px;
}

/* SVG 樣式控制 */
svg.icon {
    width: 16px;
    height: 16px;
    vertical-align: middle;
    fill: currentColor;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
    margin-bottom: 16px;
    overflow: hidden;
    padding: 16px;
}

.card-header {
    margin-bottom: 12px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title svg {
    width: 20px;
    height: 20px;
    fill: var(--primary-color);
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.cta-section {
    text-align: center;
    padding: 20px 0;
    margin: 20px 0;
    background-color: var(--primary-light);
    border-radius: 8px;
}

.cta-heading {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.cta-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.recommendation {
    background-color: #f8f9fa;
    border-left: 4px solid var(--primary-color);
    padding: 12px 15px;
    margin: 15px 0;
}

.recommendation h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.recommendation ul {
    padding-left: 20px;
}

.recommendation li {
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.highlight-box {
    background-color: #f0f7f5;
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
}

.benefit-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    border-radius: 8px;
    background-color: #f8f9fa;
}

.benefit-icon {
    font-size: 1.5rem;
}

.benefit-text h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.benefit-text p {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* 角色選擇區域樣式 */
.role-selection {
    text-align: center;
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.role-selection h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.role-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.role-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background-color: white;
    cursor: pointer;
    transition: border-color 0.3s, box-shadow 0.3s;
    text-align: left;
}

.role-option:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.role-icon {
    font-size: 1.8rem;
}

.role-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.role-info p {
    font-size: 0.8rem;
    color: var(--text-light);
}

.role-info-text {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    text-align: left;
}

.role-info-text p {
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.role-info-text ol {
    padding-left: 20px;
}

.role-info-text li {
    font-size: 0.85rem;
    margin-bottom: 5px;
    color: var(--text-light);
}

/* 用戶狀態樣式 */
.user-status {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.8rem;
}

.current-user {
    font-weight: 500;
    color: var(--primary-color);
}

.user-completion-status {
    color: var(--text-light);
    margin-left: 10px;
}

/* 完成填寫按鈕 */
.complete-session-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.complete-session-btn:hover {
    background-color: #3e8e41;
}

.view-both-answers-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.view-both-answers-btn:hover {
    background-color: #1976D2;
}

/* 動畫 */
@keyframes heartbeat {
    0% { transform: scale(1); }
    15% { transform: scale(1.2); }
    30% { transform: scale(1); }
}

.animate-heart {
    animation: heartbeat 1.5s infinite;
    transform-origin: center;
}

/* 備份提醒通知 */
.backup-reminder-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 320px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    transform: translateX(120%);
    transition: transform 0.3s ease-out;
}

.backup-reminder-notification.visible {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    flex-direction: column;
    padding: 16px;
}

.notification-icon {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.notification-message h4 {
    margin: 0 0 8px 0;
    color: var(--text-dark);
    font-size: 1rem;
}

.notification-message p {
    margin: 0 0 12px 0;
    color: var(--text-light);
    font-size: 0.85rem;
}

.notification-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.mode-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin: 15px 0;
}

.mode-option {
    flex: 1;
    min-width: 200px;
    padding: 15px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    background-color: white;
}

.mode-option h4 {
    font-size: 1rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mode-option p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.example-qa {
    margin: 20px 0;
}

.example-qa h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* 情侶管理頁面樣式 */
.section-title {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.couple-info-card {
    background-color: var(--primary-light);
    border-radius: var(--card-radius);
    padding: 15px;
    margin-bottom: 20px;
}

.couple-info-row {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.couple-info-row span:first-child {
    width: 80px;
    color: var(--text-light);
}

.couple-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.couples-list {
    margin-top: 15px;
    margin-bottom: 20px;
}

.couple-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: white;
    border: 1px solid var(--border-light);
    border-radius: 6px;
    margin-bottom: 8px;
    transition: all 0.2s ease;
}

.couple-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.couple-item.active {
    border-color: var(--primary-color);
    background-color: var(--primary-light);
}

.couple-item-info {
    display: flex;
    flex-direction: column;
}

.couple-item-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.couple-item-date {
    font-size: 0.75rem;
    color: var(--text-lighter);
    margin-top: 3px;
}

.couple-item-actions {
    display: flex;
    gap: 5px;
}

.couple-item-actions button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    padding: 3px;
    border-radius: 3px;
}

.couple-item-actions button:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
}

.import-export-section {
    margin-top: 25px;
}

.import-export-buttons {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.no-couples-message {
    padding: 30px;
    text-align: center;
    background-color: #f9f9f9;
    border-radius: var(--card-radius);
    color: var(--text-lighter);
    font-style: italic;
}

/* 圖表相關樣式 */
.chart-container {
    margin: 15px 0;
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: var(--card-radius);
}

.mt-4 {
    margin-top: 20px;
}

.chart-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 10px;
}

.chart-legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
}

.chart-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

/* 問題分頁樣式 */
.pagination-toggle {
    background-color: var(--light-bg) !important;
    color: var(--text-dark) !important;
    border: 1px solid var(--border-color) !important;
}

.pagination-toggle:hover {
    background-color: var(--primary-light) !important;
}

.question-pagination {
    background-color: white;
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin-top: 15px;
    overflow: hidden;
}

.pagination-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background-color: var(--primary-light);
    border-bottom: 1px solid var(--border-color);
}

.pagination-header h3 {
    font-size: 1rem;
    color: var(--primary-color);
    margin: 0;
}

.close-pagination {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    padding: 2px;
}

.close-pagination:hover {
    color: var(--primary-color);
}

.pagination-tabs {
    display: flex;
    background-color: var(--light-bg);
    border-bottom: 1px solid var(--border-light);
}

.pagination-tab {
    padding: 10px 15px;
    cursor: pointer;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
}

.pagination-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: white;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(55px, 1fr));
    gap: 10px;
    padding: 15px;
    max-height: 250px;
    overflow-y: auto;
}

.question-item {
    text-align: center;
}

.question-button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background-color: white;
    color: var(--text-light);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin: 0 auto;
    position: relative;
}

.question-button:hover {
    background-color: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.question-button.current {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: bold;
}

.question-button.completed::after {
    content: "";
    position: absolute;
    bottom: 3px;
    right: 3px;
    width: 8px;
    height: 8px;
    background-color: #4CAF50;
    border-radius: 50%;
    border: 1px solid white;
}

.question-title-popup {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-dark);
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    width: max-content;
    max-width: 250px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
    z-index: 10;
    text-align: center;
}

.question-title-popup::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: var(--text-dark) transparent transparent transparent;
}

.question-button:hover .question-title-popup {
    opacity: 1;
    visibility: visible;
}