/**
 * PTGates Learning Engine - Styles
 */

/* 기본 레이아웃 */
.ptgates-quiz-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 플러그인 헤더 */
.ptgates-header {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    padding: 17px 30px;
    border-radius: 8px;
    margin-bottom: 5px;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.ptgates-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.ptgates-header-title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.5px;
}

.ptgates-header-badge {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    border: 2px solid rgba(255, 255, 255, 0.4);
    white-space: nowrap;
}

/* 필터 섹션 */
.ptgates-filter-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.ptgates-filter-row {
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
    min-width: 150px;
}

.ptgates-filter-row label {
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.ptgates-filter-input {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
    transition: border-color 0.2s;
}

.ptgates-filter-input:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* 버튼 */
.ptgates-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.ptgates-btn-primary {
    background: #4a90e2;
    color: white;
}

.ptgates-btn-primary:hover {
    background: #357abd;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

.ptgates-btn-submit {
    background: #28a745;
    color: white;
}

.ptgates-btn-submit:hover {
    background: #218838;
}

.ptgates-btn-next {
    background: #17a2b8;
    color: white;
}

.ptgates-btn-next:hover {
    background: #138496;
}

.ptgates-btn-giveup {
    background: #dc3545;
    color: white;
}

.ptgates-btn-giveup:hover {
    background: #c82333;
}

.ptgates-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 진행 상태 */
.ptgates-progress-section {
    margin-top: 0;
    margin-bottom: 30px;
}

.ptgates-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 16px;
    font-weight: 600;
}

.ptgates-progress-right {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    gap: 12px;
}

.ptgates-time-tip-btn {
    background: none;
    border: none;
    color: #4a90e2;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: underline;
    padding: 0;
    transition: color 0.2s;
    white-space: nowrap;
    display: inline-block !important;
    flex-shrink: 0;
}

.ptgates-time-tip-btn:hover {
    color: #357abd;
}

.ptgates-btn-giveup-inline {
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 16px;
    transition: all 0.2s;
    white-space: nowrap;
    display: inline-block !important;
    flex-shrink: 0;
}

.ptgates-btn-giveup-inline:hover {
    background: #c82333;
}

.ptgates-timer {
    color: #4a90e2;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
    display: inline-block !important;
}

.ptgates-progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
}

.ptgates-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4a90e2, #357abd);
    transition: width 0.3s ease;
    width: 0%;
}

.ptgates-progress-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

/* 문제 섹션 */
.ptgates-question-section {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 20px;
}

.ptgates-question-header {
    margin-bottom: 8px;
}

.ptgates-question-text {
    font-size: 20px;
    line-height: 1.4;
    color: #333;
    margin: 0;
    margin-bottom: 8px;
}

/* 옵션 */
.ptgates-options-container {
    margin-bottom: 25px;
    margin-top: 0 !important;
    width: 100% !important;
    display: block !important;
    flex-direction: column !important;
    flex-wrap: nowrap !important;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    padding: 10px 12px;
    background: white;
    box-sizing: border-box;
}

.ptgates-options-container > * {
    display: block !important;
    width: 100% !important;
    float: none !important;
    clear: both !important;
    flex: none !important;
    flex-basis: auto !important;
}

/* 모든 라벨을 블록으로 강제 */
.ptgates-options-container label,
.ptgates-options-container .ptgates-option-label {
    display: flex !important;
    flex-direction: row !important;
    width: 100% !important;
    float: none !important;
    clear: both !important;
    margin-bottom: 0 !important;
}

.ptgates-option-label {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start;
    padding: 4px 8px !important;
    margin-bottom: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent !important;
    width: 100% !important;
    box-sizing: border-box;
    min-height: auto;
    user-select: none;
    clear: both;
}

.ptgates-option-label:hover {
    background: #f8f9ff !important;
}

.ptgates-option-label input[type="radio"],
.ptgates-radio-input {
    margin-right: 8px !important;
    margin-top: 2px !important;
    cursor: pointer !important;
    flex-shrink: 0 !important;
    width: 20px !important;
    height: 20px !important;
    min-width: 20px !important;
    min-height: 20px !important;
    max-width: 20px !important;
    max-height: 20px !important;
    position: relative !important;
    z-index: 10 !important;
    pointer-events: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    display: inline-block !important;
    -webkit-appearance: radio !important;
    -moz-appearance: radio !important;
    appearance: radio !important;
}

.ptgates-option-label input[type="radio"]:checked + .ptgates-option-text {
    font-weight: 600;
    color: #4a90e2;
}

.ptgates-option-text {
    flex: 1;
    line-height: 1.3;
    color: #333;
    white-space: normal !important;
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    display: block !important;
    width: calc(100% - 40px) !important;
}

.ptgates-option-text strong {
    color: #4a90e2;
    font-weight: 600;
    margin-right: 5px;
    display: inline !important;
}

/* 다른 스타일이 방해하지 않도록 */
#ptgates-options-container .ptgates-option-label,
.ptgates-options-container .ptgates-option-label {
    display: flex !important;
    width: 100% !important;
    margin-bottom: 0 !important;
}

.ptgates-option-label.ptgates-correct-answer {
    background: #d4edda !important;
}

.ptgates-option-label.ptgates-incorrect-answer {
    background: #f8d7da !important;
}

.ptgates-text-answer {
    width: 100%;
    padding: 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 16px;
    transition: border-color 0.2s;
}

.ptgates-text-answer:focus {
    outline: none;
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.ptgates-text-answer:disabled {
    background: #f8f9fa;
    cursor: not-allowed;
}

/* 문제 액션 */
.ptgates-question-actions {
    display: flex;
    gap: 12px;
    margin-top: 25px;
}

/* 피드백 */
.ptgates-feedback {
    padding: 15px 20px;
    border-radius: 6px;
    margin-top: 20px;
    font-weight: 600;
    font-size: 16px;
}

.ptgates-feedback-correct {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.ptgates-feedback-incorrect {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 해설 */
.ptgates-explanation-section {
    margin-top: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #4a90e2;
}

.ptgates-explanation-header {
    margin-bottom: 15px;
}

.ptgates-explanation-header h4 {
    margin: 0;
    color: #4a90e2;
    font-size: 18px;
}

.ptgates-base-explanation {
    margin-bottom: 15px;
    line-height: 1.6;
    color: #333;
}

.ptgates-advanced-explanation {
    padding-top: 15px;
    border-top: 1px solid #dee2e6;
    line-height: 1.6;
    color: #666;
    font-style: italic;
}

/* 결과 섹션 */
.ptgates-result-section {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 40px;
    text-align: center;
}

.ptgates-result-section h2 {
    color: #333;
    margin-bottom: 30px;
}

.ptgates-result-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.ptgates-stat-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
}

.ptgates-stat-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.ptgates-stat-value {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: #4a90e2;
}

/* 로딩 */
.ptgates-loading {
    text-align: center;
    padding: 60px 20px;
}

.ptgates-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #4a90e2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ptgates-loading p {
    color: #666;
    font-size: 16px;
}

/* 모달 */
.ptgates-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}

.ptgates-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
}

.ptgates-modal-content {
    position: relative;
    max-width: 800px;
    max-height: 90vh;
    margin: 5vh auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.ptgates-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
}

.ptgates-modal-header h3 {
    margin: 0;
    color: #333;
    font-size: 20px;
    font-weight: 700;
}

.ptgates-modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    line-height: 28px;
    text-align: center;
    transition: color 0.2s;
}

.ptgates-modal-close:hover {
    color: #dc3545;
}

.ptgates-modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

.ptgates-modal-body p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: #333;
}

.ptgates-time-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.ptgates-time-table thead {
    background: #4a90e2;
    color: white;
}

.ptgates-time-table th,
.ptgates-time-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #dee2e6;
}

.ptgates-time-table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

.ptgates-time-table tbody tr:hover {
    background: #e9ecef;
}

.ptgates-tip-summary {
    margin-top: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
    border-left: 4px solid #4a90e2;
}

.ptgates-tip-summary h4 {
    margin: 0 0 15px 0;
    color: #4a90e2;
    font-size: 18px;
}

.ptgates-tip-summary ul {
    margin: 15px 0;
    padding-left: 25px;
}

.ptgates-tip-summary li {
    margin-bottom: 10px;
    line-height: 1.7;
    color: #333;
}

.ptgates-tip-summary p {
    margin-top: 15px;
    margin-bottom: 0;
    font-weight: 600;
    color: #333;
}

/* 반응형 */
@media (max-width: 768px) {
    .ptgates-quiz-wrapper {
        padding: 15px;
    }
    
    .ptgates-filter-section {
        flex-direction: column;
    }
    
    .ptgates-filter-row {
        width: 100%;
    }
    
    .ptgates-question-section {
        padding: 20px;
    }
    
    .ptgates-question-text {
        font-size: 18px;
    }
    
    .ptgates-result-stats {
        grid-template-columns: 1fr;
    }
    
    .ptgates-modal-content {
        max-width: 95%;
        margin: 2.5vh auto;
        max-height: 95vh;
    }
    
    .ptgates-modal-body {
        padding: 15px;
    }
    
    .ptgates-time-table {
        font-size: 12px;
    }
    
    .ptgates-time-table th,
    .ptgates-time-table td {
        padding: 8px;
    }
    
    .ptgates-progress-right {
        flex-direction: column;
        gap: 8px;
        align-items: flex-end;
    }
    
    .ptgates-time-tip-btn,
    .ptgates-btn-giveup-inline {
        font-size: 14px;
    }
    
    .ptgates-btn-giveup-inline {
        padding: 5px 12px;
    }
    
    .ptgates-header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .ptgates-header-title {
        font-size: 20px;
    }
}