/* ========== 阅读理解卡片样式 ========== */
/* 继承现有卡片基础样式 */

.rc-content {
    position: relative;
    z-index: 10;
    padding: 20px 0;
    min-height: 200px;
    -webkit-user-select: text;
    user-select: text;
}

/* 文章段落 */
.rc-paragraph {
    margin-bottom: 20px;
    line-height: 2;
    font-size: 16px;
    color: #4a6fa5;
}

/* 问题条目 */
.rc-question-item {
    margin-bottom: 12px;
    line-height: 2;
    font-size: 16px;
    color: #4a6fa5;
}

/* 问题编号 */
.rc-question-number {
    font-weight: 600;
    color: #5d8ab8;
    margin-right: 8px;
}

/* 问题文本 */
.rc-question-text {
    display: inline;
    line-height: 1.8;
    font-size: 15px;
    color: #4a6fa5;
    vertical-align: middle;
}

/* 答案输入区 */
.rc-answer-container {
    margin-top: 4px;
    width: 100%;
}

/* 答案输入框 */
.rc-answer-input {
    display: inline-block;
    width: 480px;
    min-width: 80px;
    max-width: 100%;
    padding: 0 6px;
    border: none;
    border-bottom: 2px solid rgba(93, 138, 184, 0.5);
    border-radius: 0;
    background: transparent;
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    color: #4a6fa5;
    box-sizing: border-box;
    line-height: 20px;
    vertical-align: middle;
}

.rc-answer-input:focus {
    outline: none;
    border-bottom-color: rgba(93, 138, 184, 0.6);
}



/* 正确状态 */
.rc-answer-input.correct {
    border-bottom-color: rgba(40, 167, 69, 0.6);
    color: #155724;
}

/* 错误状态 */
.rc-answer-input.incorrect {
    border-bottom-color: rgba(220, 53, 69, 0.6);
    color: #721c24;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .rc-content {
        padding: 15px 0;
    }

    .rc-paragraph {
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 16px;
    }

    .rc-question-item {
        margin-bottom: 10px;
        font-size: 15px;
    }

    .rc-question-number {
        font-size: 14px;
    }

    .rc-question-text {
        font-size: 14px;
    }

    .rc-answer-input {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .rc-content {
        padding: 10px 0;
    }

    .rc-paragraph {
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 12px;
    }

    .rc-question-item {
        margin-bottom: 8px;
        font-size: 14px;
    }

    .rc-question-number {
        font-size: 13px;
    }

    .rc-question-text {
        font-size: 13px;
    }

    .rc-answer-input {
        font-size: 13px;
    }
}

@media (max-width: 360px) {
    .rc-paragraph {
        font-size: 13px;
        line-height: 1.7;
    }

    .rc-question-item {
        margin-bottom: 6px;
        font-size: 13px;
    }

    .rc-question-number {
        font-size: 12px;
    }

    .rc-question-text {
        font-size: 12px;
    }

    .rc-answer-input {
        font-size: 12px;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .rc-content {
        padding: 10px 0;
    }

    .rc-paragraph {
        margin-bottom: 8px;
        line-height: 1.6;
    }

    .rc-question-item {
        margin-bottom: 6px;
    }
}

/* 打印样式 */
@media print {
    .rc-answer-input {
        border-bottom: 1px solid #000;
        background: transparent;
        color: #000;
    }
}

/* ========== AI判题设置按钮 ========== */
.card-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rc-settings-btn {
    display: none !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(93, 138, 184, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 强制隐藏AI判题设置按钮 */
#rcSettingsBtn {
    display: none !important;
}

.rc-settings-btn:hover {
    background: rgba(93, 138, 184, 0.2);
}

.rc-settings-btn .settings-icon {
    font-size: 18px;
}

/* ========== 分数显示样式 ========== */
.rc-score-display {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 12px;
    padding: 0;
    font-size: 18px;
    font-weight: 600;
    vertical-align: middle;
    background: transparent;
}

.rc-score-display.score-full {
    color: #28a745;
}

.rc-score-display.score-partial {
    color: #856404;
}

.rc-score-display.score-zero {
    color: #dc3545;
}

.rc-score-display.score-pending {
    color: #495057;
}

/* 答案输入框 - 1分时保持原色 */
.rc-answer-input.score-partial {
    border-bottom-color: rgba(93, 138, 184, 0.5);
    color: #4a6fa5;
}

/* 答案输入框 - 0分红色 */
.rc-answer-input.score-zero {
    border-bottom-color: rgba(220, 53, 69, 0.6);
    color: #721c24;
}

/* ========== AI判题加载状态 ========== */
.rc-loading-lock {
    overflow: hidden;
}

.rc-grading-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    background: rgba(74, 111, 165, 0.3);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}

.rc-grading-indicator svg {
    width: 0;
    height: 0;
}

.rc-grading-indicator .container {
    position: relative;
    width: 200px;
    height: 280px;
}

.rc-grading-indicator .gooey-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 280px;
    filter: url(#rc-gooey);
    z-index: 1;
}

.rc-grading-indicator .loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 200px;
}

.rc-grading-indicator .loader span {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    animation: rc-animate 4s ease-in-out infinite;
    animation-delay: calc(0.2s * var(--i));
    animation-fill-mode: backwards;
}

.rc-grading-indicator .loader span:before {
    content: '';
    position: absolute;
    top: 0;
    left: calc(50% - 20px);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffffff, #b0d4f1);
    box-shadow: 4px 4px 8px rgba(165, 195, 225, 0.5),
                -4px -4px 8px rgba(255, 255, 255, 0.9);
    /* 确保初始状态为完美圆形 */
    transform-origin: center center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.rc-grading-indicator .pool {
    position: absolute;
    top: 188px;
    left: 50%;
    transform: translateX(-50%);
    width: 170px;
    height: 42px;
    border-radius: 20px;
    background: linear-gradient(to top,
        #ffffff 0%,
        #ffffff 60%,
        #b0d4f1 100%
    );
    box-shadow:
        inset 0 2px 4px rgba(255, 255, 255, 0.8),
        4px 4px 10px rgba(165, 195, 225, 0.4);
}

.rc-grading-indicator .text {
    position: absolute;
    top: 187px;
    left: 50%;
    transform: translateX(-50%);
    width: 170px;
    height: 42px;
    line-height: 42px;
    font-size: 20px;
    color: #5a9ac8;
    font-family: 'Microsoft YaHei', sans-serif;
    letter-spacing: 5px;
    font-weight: 600;
    text-align: center;
    z-index: 3;
    white-space: nowrap;
}

@keyframes rc-animate {
    0% { transform: rotate(0deg); }
    50%, 100% { transform: rotate(360deg); }
}

/* ========== AI判题配置模态框 ========== */
.rc-settings-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    animation: rcFadeIn 0.3s ease-out;
}

.rc-settings-modal.active {
    display: block;
}

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

.rc-settings-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(74, 111, 165, 0.5);
    backdrop-filter: blur(5px);
}

.rc-settings-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #e3edf7, #d4e6f9);
    border-radius: 30px;
    padding: 35px;
    box-shadow: 12px 12px 24px #b8bec8, -12px -12px 24px #ffffff;
    max-width: 500px;
    width: 90%;
    animation: rcModalSlideIn 0.3s ease-out;
}

@keyframes rcModalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -45%) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.rc-settings-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(173, 216, 230, 0.5);
}

.rc-settings-modal-header h3 {
    color: #5d8ab8;
    font-size: 1.5em;
    font-weight: 700;
    margin: 0;
}

.rc-settings-modal-close {
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    font-size: 1.5em;
    color: #5d8ab8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 2px 2px 4px #ccd9e6, inset -2px -2px 4px #ffffff;
    transition: all 0.3s ease;
}

.rc-settings-modal-close:hover {
    background: linear-gradient(135deg, #f0f6fc, #e8f0f8);
    transform: rotate(90deg);
}

.rc-settings-modal-close:active {
    box-shadow: inset 3px 3px 6px #ccd9e6, inset -3px -3px 6px #ffffff;
}

.rc-settings-modal-body {
    margin-bottom: 25px;
}

.rc-settings-section {
    margin-bottom: 25px;
}

.rc-settings-section:last-child {
    margin-bottom: 0;
}

.rc-settings-section-title {
    margin: 0 0 8px 0;
    font-size: 1em;
    color: #5d8ab8;
    font-weight: 600;
}

.rc-settings-section-desc {
    margin: 0 0 15px 0;
    font-size: 0.9em;
    color: #7aa8d6;
    font-weight: 500;
}

/* AI模型复选框 */
.rc-model-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.rc-model-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border-radius: 25px;
    cursor: pointer;
    box-shadow: 4px 4px 8px #b8bec8, -4px -4px 8px #ffffff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.rc-model-checkbox:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 12px #b8bec8, -6px -6px 12px #ffffff;
}

.rc-model-checkbox input {
    display: none;
}

.rc-model-checkbox input:checked + .checkbox-custom {
    background: linear-gradient(135deg, #7aa8d6, #5d8ab8);
    box-shadow: inset 2px 2px 4px #4a6fa5, inset -2px -2px 4px #a5c8e8;
}

.rc-model-checkbox input:checked + .checkbox-custom::after {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.rc-model-checkbox input:checked ~ .model-name {
    color: #5d8ab8;
    font-weight: 700;
}

.checkbox-custom {
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border-radius: 6px;
    position: relative;
    box-shadow: inset 2px 2px 4px #ccd9e6, inset -2px -2px 4px #ffffff;
    transition: all 0.3s ease;
}

.checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    color: white;
    font-size: 14px;
    opacity: 0;
    transition: all 0.2s ease;
}

.model-name {
    font-size: 0.95em;
    color: #4a6fa5;
    font-weight: 500;
}

/* 系统提示词文本框 */
.rc-system-prompt-textarea {
    width: 100%;
    padding: 15px 18px;
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border: none;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.95em;
    line-height: 1.6;
    color: #4a6fa5;
    resize: none;
    min-height: 120px;
    box-sizing: border-box;
    box-shadow: inset 3px 3px 6px #ccd9e6, inset -3px -3px 6px #ffffff;
    transition: all 0.3s ease;
    overflow-y: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.rc-system-prompt-textarea::-webkit-scrollbar {
    display: none;
}

.rc-system-prompt-textarea:focus {
    outline: none;
    box-shadow: inset 4px 4px 8px #ccd9e6, inset -4px -4px 8px #ffffff;
}

.rc-system-prompt-textarea::placeholder {
    color: #a5c8e8;
}

/* 模态框底部按钮 */
.rc-settings-modal-footer {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.rc-settings-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 100px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.rc-settings-btn-reset {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    box-shadow: 4px 4px 8px #f1b0b7, -4px -4px 8px #fce8e8;
}

.rc-settings-btn-reset:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 12px #f1b0b7, -6px -6px 12px #fce8e8;
    background: linear-gradient(135deg, #f9e1e4, #f8d7da);
}

.rc-settings-btn-reset:active {
    transform: translateY(0);
    box-shadow: inset 3px 3px 6px #f1b0b7, inset -3px -3px 6px #fce8e8;
}

.rc-settings-btn-cancel {
    background: linear-gradient(135deg, #e8f0f8, #d4e6f9);
    color: #5d8ab8;
    box-shadow: 4px 4px 8px #b8bec8, -4px -4px 8px #ffffff;
}

.rc-settings-btn-cancel:hover {
    transform: translateY(-2px);
    box-shadow: 6px 6px 12px #b8bec8, -6px -6px 12px #ffffff;
    background: linear-gradient(135deg, #f0f6fc, #e8f0f8);
}

.rc-settings-btn-cancel:active {
    transform: translateY(0);
    box-shadow: inset 3px 3px 6px #ccd9e6, inset -3px -3px 6px #ffffff;
}

.rc-settings-btn-confirm {
    background: linear-gradient(135deg, #7aa8d6, #5d8ab8);
    color: #ffffff;
    box-shadow: 6px 6px 12px #4a6fa5, -6px -6px 12px #a5c8e8;
}

.rc-settings-btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 8px 8px 16px #4a6fa5, -8px -8px 16px #a5c8e8;
    background: linear-gradient(135deg, #5d8ab8, #4a6fa5);
}

.rc-settings-btn-confirm:active {
    transform: translateY(0);
    box-shadow: inset 3px 3px 6px #4a6fa5, inset -3px -3px 6px #7aa8d6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .rc-settings-modal-content {
        padding: 25px;
        max-width: 90%;
    }

    .rc-settings-modal-header h3 {
        font-size: 1.3em;
    }

    .rc-model-checkboxes {
        gap: 10px;
    }

    .rc-model-checkbox {
        padding: 8px 14px;
    }
}

@media (max-width: 480px) {
    .rc-settings-modal-content {
        padding: 20px;
        border-radius: 20px;
    }

    .rc-settings-modal-header h3 {
        font-size: 1.1em;
    }

    .rc-settings-modal-footer {
        flex-direction: column;
    }

    .rc-settings-btn {
        width: 100%;
    }
}

/* ========== 调试模式开关样式 ========== */
.rc-debug-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.rc-debug-toggle input {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 50px;
    height: 26px;
    background: linear-gradient(135deg, #e8f0f8, #d4e6f9);
    border-radius: 13px;
    box-shadow: inset 2px 2px 4px #ccd9e6, inset -2px -2px 4px #ffffff;
    transition: all 0.3s ease;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border-radius: 50%;
    box-shadow: 2px 2px 4px #b8bec8, -2px -2px 4px #ffffff;
    transition: all 0.3s ease;
}

.rc-debug-toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, #7aa8d6, #5d8ab8);
}

.rc-debug-toggle input:checked + .toggle-slider::after {
    left: 27px;
}

.toggle-label {
    font-size: 0.9em;
    color: #5d8ab8;
    font-weight: 500;
}

/* ========== AI评分详情显示样式 ========== */
.rc-debug-panel {
    margin-top: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #ffffff, #e8f0f8);
    border-radius: 15px;
    box-shadow: inset 2px 2px 4px #ccd9e6, inset -2px -2px 4px #ffffff;
}

.rc-debug-title {
    font-size: 0.95em;
    font-weight: 600;
    color: #5d8ab8;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(93, 138, 184, 0.2);
}

.rc-debug-scores {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rc-debug-score-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: linear-gradient(135deg, #e3edf7, #d4e6f9);
    border-radius: 10px;
    box-shadow: 2px 2px 4px #b8bec8, -2px -2px 4px #ffffff;
}

.rc-debug-model-name {
    font-size: 0.85em;
    font-weight: 600;
    color: #4a6fa5;
}

.rc-debug-model-scores {
    display: flex;
    gap: 8px;
    font-size: 0.85em;
}

.rc-debug-score-badge {
    padding: 4px 10px;
    border-radius: 10px;
    font-weight: 600;
}

.rc-debug-score-badge.score-0 {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
}

.rc-debug-score-badge.score-1 {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    color: #856404;
}

.rc-debug-score-badge.score-2 {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
}

.rc-debug-final {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(93, 138, 184, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.rc-debug-final-label {
    font-size: 0.9em;
    font-weight: 600;
    color: #5d8ab8;
}

.rc-debug-final-score {
    font-size: 1.1em;
    font-weight: 700;
    color: #4a6fa5;
}