/* 
 * 디지털 역량 진단 도구 스타일시트
 * 색상 테마: 짙은 파랑, 흰색, 연한 회색
 */

/* ===== 색상 변수 정의 ===== */
:root {
    --primary-blue: #1e3a8a;        /* 짙은 파랑 */
    --primary-blue-dark: #1e40af;   /* 더 짙은 파랑 */
    --primary-blue-light: #3b82f6;  /* 밝은 파랑 */
    --secondary-blue: #60a5fa;      /* 보조 파랑 */
    --light-blue: #dbeafe;          /* 연한 파랑 */
    --very-light-blue: #eff6ff;     /* 매우 연한 파랑 */
    
    --white: #ffffff;
    --light-gray: #f3f4f6;          /* 연한 회색 */
    --gray: #e5e7eb;                /* 회색 */
    --medium-gray: #9ca3af;         /* 중간 회색 */
    --dark-gray: #4b5563;           /* 어두운 회색 */
    --text-dark: #1f2937;           /* 텍스트 색상 */
    
    --success: #2563eb;             /* 성공 색상 (파랑 톤) */
    --warning: #60a5fa;             /* 경고 색상 (연한 파랑) */
    
    --border-radius: 12px;
    --box-shadow: 0 2px 8px rgba(30, 58, 138, 0.1);
    --box-shadow-lg: 0 4px 20px rgba(30, 58, 138, 0.15);
    --transition: all 0.3s ease;
}

/* ===== 기본 리셋 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--light-gray);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== 컨테이너 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 헤더 ===== */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: 24px 0;
    box-shadow: var(--box-shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo i {
    font-size: 32px;
    color: var(--light-blue);
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.institution {
    background-color: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

/* ===== 메인 컨테이너 ===== */
.main-container {
    flex: 1;
    padding: 40px 0;
}

/* ===== 웰컴 스크린 ===== */
.welcome-screen {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    padding: 50px 40px;
    text-align: center;
}

.welcome-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.welcome-icon i {
    font-size: 48px;
    color: var(--white);
}

.welcome-content h2 {
    font-size: 32px;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 700;
}

.welcome-description {
    font-size: 16px;
    color: var(--dark-gray);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* ===== 설문 정보 그리드 ===== */
.survey-info {
    background-color: var(--very-light-blue);
    border: 2px solid var(--light-blue);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 40px;
}

.survey-info h3 {
    color: var(--primary-blue);
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.info-item {
    background-color: var(--white);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--gray);
    transition: var(--transition);
}

.info-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
    border-color: var(--secondary-blue);
}

.info-item i {
    font-size: 24px;
    color: var(--primary-blue);
}

.info-item span {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

/* ===== 사용자 정보 폼 ===== */
.user-info-form {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    text-align: left;
}

.user-info-form h3 {
    color: var(--primary-blue);
    font-size: 20px;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray);
    border-radius: 8px;
    font-size: 15px;
    transition: var(--transition);
    background-color: var(--white);
    color: var(--text-dark);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px var(--light-blue);
}

/* ===== 버튼 스타일 ===== */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Noto Sans KR', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 58, 138, 0.3);
}

.btn-secondary {
    background-color: var(--gray);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--medium-gray);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

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

/* ===== 진행률 표시 ===== */
.progress-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow);
}

.progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-text {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 16px;
}

.progress-percentage {
    font-weight: 700;
    font-size: 20px;
    color: var(--primary-blue);
}

.progress-bar {
    height: 12px;
    background-color: var(--gray);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    transition: width 0.4s ease;
    width: 0%;
}

.question-counter {
    text-align: center;
    color: var(--dark-gray);
    font-size: 14px;
    font-weight: 500;
}

/* ===== 설문 질문 영역 ===== */
.survey-questions {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-lg);
    min-height: 500px;
}

.section-container {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--light-blue);
}

.section-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.section-title {
    font-size: 26px;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.section-description {
    font-size: 15px;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* ===== 질문 아이템 ===== */
.question-item {
    margin-bottom: 35px;
    padding: 25px;
    background-color: var(--very-light-blue);
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.question-text {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.6;
}

.options-container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ===== 라디오 버튼 커스텀 스타일 ===== */
.option-label {
    flex: 1;
    min-width: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    background-color: var(--white);
    border: 2px solid var(--gray);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.option-label input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.option-label:hover {
    border-color: var(--secondary-blue);
    background-color: var(--very-light-blue);
}

.option-label input[type="radio"]:checked + .option-content {
    color: var(--white);
}

.option-label input[type="radio"]:checked ~ * {
    color: var(--white);
}

.option-label:has(input[type="radio"]:checked) {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.option-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.option-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.option-label:has(input[type="radio"]:checked) .option-value {
    color: var(--white);
}

.option-text {
    font-size: 13px;
    font-weight: 500;
    color: var(--dark-gray);
}

.option-label:has(input[type="radio"]:checked) .option-text {
    color: var(--white);
}

/* ===== 네비게이션 버튼 ===== */
.survey-navigation {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

/* ===== 결과 화면 ===== */
.result-screen {
    animation: fadeIn 0.5s ease;
}

.result-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: 50px 40px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-lg);
}

.result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.result-icon i {
    font-size: 40px;
    color: var(--white);
}

.result-header h2 {
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 700;
}

.result-name {
    font-size: 18px;
    opacity: 0.95;
}

/* ===== 결과 요약 ===== */
.result-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.score-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow-lg);
}

.score-card h3 {
    font-size: 16px;
    color: var(--dark-gray);
    margin-bottom: 15px;
    font-weight: 600;
}

.total-score {
    border-top: 4px solid var(--primary-blue);
}

.score-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 5px;
}

.score-max {
    font-size: 16px;
    color: var(--medium-gray);
}

.level-badge {
    display: inline-block;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    padding: 15px 30px;
    border-radius: 25px;
    margin-top: 10px;
}

/* ===== 차트 컨테이너 ===== */
.chart-container {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-lg);
}

.chart-container h3 {
    color: var(--primary-blue);
    font-size: 22px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
}

.chart-container canvas {
    max-height: 500px;
}

/* ===== 상세 점수 ===== */
.detailed-scores {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-lg);
}

.detailed-scores h3 {
    color: var(--primary-blue);
    font-size: 22px;
    margin-bottom: 25px;
    font-weight: 700;
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    margin-bottom: 15px;
    background-color: var(--very-light-blue);
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.score-item-name {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 16px;
}

.score-item-value {
    display: flex;
    align-items: center;
    gap: 10px;
}

.score-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
}

.score-max-small {
    font-size: 14px;
    color: var(--medium-gray);
}

.score-bar-container {
    flex: 1;
    max-width: 200px;
    height: 10px;
    background-color: var(--gray);
    border-radius: 5px;
    overflow: hidden;
    margin-left: 15px;
}

.score-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    transition: width 0.6s ease;
}

/* ===== 결과 해석 ===== */
.result-interpretation {
    background-color: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    box-shadow: var(--box-shadow-lg);
}

.result-interpretation h3 {
    color: var(--primary-blue);
    font-size: 22px;
    margin-bottom: 25px;
    font-weight: 700;
}

.interpretation-section {
    margin-bottom: 30px;
}

.interpretation-section h4 {
    color: var(--primary-blue);
    font-size: 18px;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.interpretation-section h4 i {
    font-size: 20px;
}

.interpretation-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
}

.strength-list, .weakness-list, .recommendation-list {
    list-style: none;
    padding: 0;
}

.strength-list li, .weakness-list li, .recommendation-list li {
    padding: 15px 20px;
    margin-bottom: 10px;
    background-color: var(--very-light-blue);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.strength-list li {
    border-left-color: var(--success);
}

.weakness-list li {
    border-left-color: var(--warning);
}

.strength-list li i, .weakness-list li i, .recommendation-list li i {
    margin-top: 2px;
    font-size: 18px;
}

.strength-list li i {
    color: var(--success);
}

.weakness-list li i {
    color: var(--warning);
}

.recommendation-list li i {
    color: var(--primary-blue);
}

.recommendation-card {
    background-color: var(--very-light-blue);
    border: 2px solid var(--light-blue);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
}

.recommendation-card h5 {
    color: var(--primary-blue);
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: 600;
}

.recommendation-card p {
    color: var(--dark-gray);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 결과 액션 버튼 ===== */
.result-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* ===== 푸터 ===== */
.footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
}

.footer p {
    margin: 5px 0;
    opacity: 0.9;
}

/* ===== 반응형 디자인 ===== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .welcome-screen {
        padding: 30px 20px;
    }
    
    .welcome-content h2 {
        font-size: 24px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .survey-questions {
        padding: 25px 20px;
    }
    
    .section-title {
        font-size: 22px;
    }
    
    .options-container {
        flex-direction: column;
    }
    
    .option-label {
        min-width: 100%;
    }
    
    .survey-navigation {
        flex-direction: column;
    }
    
    .survey-navigation .btn {
        width: 100%;
        justify-content: center;
    }
    
    .result-summary {
        grid-template-columns: 1fr;
    }
    
    .score-item {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .score-bar-container {
        max-width: 100%;
        width: 100%;
        margin-left: 0;
    }
}

/* ===== 인쇄 스타일 ===== */
@media print {
    .header, .footer, .survey-navigation, .result-actions {
        display: none;
    }
    
    .result-screen {
        padding: 0;
    }
    
    .chart-container, .detailed-scores, .result-interpretation {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--gray);
    }
}