/* 전체 레이아웃 */
body {
    font-family: sans-serif;
    background-color: #f9fafb;
    margin: 0;
    padding: 0;
    color: #111827;
}

* {
    box-sizing: border-box;
}

main {
    padding: 0 16px 32px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

h1 {
    font-size: 24px;
    font-weight: bold;
    margin: 0;
}

.section-title {
    font-size: 20px;
    font-weight: bold;
    margin: 32px 0 16px;
    text-align: center;
}

.problem-section {
    margin-top: 24px;
}

.primary-action {
    width: 33%;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 16px;
}

.problem-history-action {
    display: flex;
    justify-content: center;
    margin-bottom: 15px;
}

.problem-history {
    width: 85%;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 16px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.language-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 999px;
    background-color: #f9fafb;
}

.language-switcher-label {
    font-size: 13px;
    font-weight: 600;
    color: #6b7280;
}

.language-switcher-link {
    text-decoration: none;
    color: #374151;
    font-size: 14px;
    font-weight: 600;
}

.language-switcher-link:hover {
    color: #111827;
}
/* 버튼 */
button {
    background-color: #4f46e5;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

button:hover {
    background-color: #4338ca;
}

/* 메인 버튼 컨테이너 */
.button-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 600px;
    margin: 40px auto;
}

/* 인터뷰 버튼 카드 */
.button-container button {
    width: 100%;
    font-size: 18px;
    font-weight: 600;
    padding: 24px;
    border-radius: 16px;
    background-color: white;
    color: #111827;
    border: 1px solid #e5e7eb;
    transition: box-shadow 0.2s ease-in-out;
}

.button-container button:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* 마이페이지 */
ul {
    list-style: none;
    padding: 0;
}

ul li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #e5e7eb;
}

/* 채팅 UI */
.chat-box {
    height: 70vh;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 12px;
    background-color: #fff;
    margin-bottom: 12px;
}

.chat-message {
    background: #f3f4f6;
    padding: 10px;
    margin: 6px 0;
    border-radius: 10px;
    max-width: 70%;
}

/* =========================
   인터뷰 기록 목록 페이지
   ========================= */

.interview-list-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px;
}

.interview-list-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 16px;
}

.interview-item {
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: box-shadow 0.2s ease-in-out, transform 0.1s ease-in-out;
}

.interview-item:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.interview-category {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
}

.interview-date {
    margin-top: 6px;
    font-size: 13px;
    color: #6b7280;
}

.interview-loading {
    text-align: center;
    padding: 16px;
    font-size: 14px;
    color: #9ca3af;
}

/* =========================
   인터뷰 상세 페이지
   ========================= */

.interview-detail-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 16px;
}

.interview-detail-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 20px;
}

.qna-card {
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
}

.qna-question {
    font-weight: 700;
    margin-bottom: 10px;
    color: #111827;
}

.qna-answer {
    margin-bottom: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    color: #1f2937;
}

.qna-feedback {
    background-color: #f3f4f6;
    border-radius: 12px;
    padding: 12px;
    font-size: 14px;
    line-height: 1.5;
    color: #374151;
}

.interview-detail-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.interview-list-button {
    width: 100%;
    padding: 4%;
}

/* =========================
   마이페이지 - 점수 리스트
   ========================= */

.score-list {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px;
}

.score-list-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 16px;
}

.score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background-color: white;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: box-shadow 0.2s ease-in-out, transform 0.1s ease-in-out;
}

.score-item:hover {
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.score-item-name {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
}

.score-item-value {
    font-size: 18px;
    font-weight: bold;
    color: #4f46e5;
}

/* =========================
   점수 상세 페이지 - 바 차트
   ========================= */

.chart-container {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 16px;
}

.chart-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 24px;
}

.bar-row {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.bar-label {
    width: 140px;
    font-size: 14px;
    color: #374151;
}

.bar-wrapper {
    flex: 1;
    background-color: #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    margin-right: 12px;
}

.bar {
    height: 24px;
    background-color: #4f46e5;
    border-radius: 8px;
    width: 0;
    transition: width 0.6s ease;
}

.bar-score {
    width: 40px;
    font-size: 14px;
    font-weight: 600;
    text-align: right;
    color: #111827;
}

/* =========================
   Problem 생성 UI
   ========================= */

.problem-box {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
}

.field {
    margin-bottom: 14px;
}

.field label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: #111827;
}

input,
textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 14px;
}

select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid #d1d5db;
    font-size: 14px;
    background-color: white;
}

textarea {
    min-height: 80px;
    resize: vertical;
}

/* =========================
   꼬리 문제
   ========================= */

.children {
    margin-left: 24px;
    margin-top: 12px;
    padding-left: 16px;
    border-left: 2px dashed #e5e7eb;
}

/* =========================
   버튼
   ========================= */

button {
    border: none;
    cursor: pointer;
    font-size: 14px;
    border-radius: 12px;
}

.problem-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 8px;
}

.delete-followup {
    background-color: #fee2e2;
    color: #dc2626;
    padding: 6px 12px;
    font-size: 13px;
}

.delete-followup:hover {
    background-color: #fecaca;
}

.add-followup {
    margin-top: 12px;
    background-color: #f3f4f6;
    color: #111827;
    padding: 8px 12px;
}

.add-followup:hover {
    background-color: #e5e7eb;
}

.submit-btn {
    margin-top: 24px;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    background-color: #4f46e5;
    color: white;
}

.submit-btn:hover {
    background-color: #4338ca;
}

/* =========================
   카테고리 단계형 선택
   ========================= */

.category-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

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

.category-item {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background-color: white;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s ease-in-out;
}

.category-item:hover {
    background-color: #f3f4f6;
}

.category-item.selected {
    background-color: #4f46e5;
    color: white;
    border-color: #4f46e5;
}

.selected-category {
    margin-top: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #4f46e5;
}

/* =========================
   난이도 선택
   ========================= */

.difficulty-selector {
    display: flex;
    gap: 8px;
}

.difficulty-btn {
    padding: 6px 14px;
    border-radius: 9999px;
    border: 1px solid #d1d5db;
    background-color: #f9fafb;
    color: #374151;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.difficulty-btn:hover {
    background-color: #eef2ff;
}

.difficulty-btn.selected {
    background-color: #4f46e5;
    color: white;
    border-color: #4f46e5;
}

.problem-list {
    max-width: 720px;
    margin: 15px auto 0;
}

.problem-card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 18px;
    margin-bottom: 14px;
    cursor: pointer;
    display: flex;
    transition: box-shadow 0.2s ease, transform 0.1s ease;
}

.problem-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.problem-content {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    flex: 3;
}

.problem-meta {
    display: flex;
    gap: 8px;
    flex: 1;
}

.tag {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.tag.difficulty {
    background: #eef2ff;
    color: #4338ca;
}

.tag.category {
    background: #ecfeff;
    color: #0f766e;
}

.section {
    margin-top: 16px;
}

.page-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.page-actions button {
    flex: 1 1 0;
    width: auto;
    margin-top: 0;
    padding: 18px 12px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 16px;
}

.primary-action {
    margin-top: 24px;
}

.edit-actions button {
    width: auto;
    min-width: 120px;
    padding: 10px 18px;
}

.submit-btn {
    background-color: #5b5bf0;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.problem-addition-action {
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 16px;
}

#edit-mode {
    position: relative;
    z-index: 100;
}

/* 문제 박스 */
#edit-mode .problem-box {
    position: relative;
    z-index: 101;
}

/* 난이도 선택 영역 */
#edit-mode .difficulty-selector {
    position: relative;
    z-index: 102;
}

/* 난이도 버튼 */
#edit-mode .difficulty-btn {
    position: relative;
    z-index: 103;
    pointer-events: auto !important;
    cursor: pointer !important;
}

.tag.review-status {
    background-color: #eef2ff;
    color: #4338ca;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 999px;
    white-space: nowrap; /* 줄바꿈 방지 */
}

.approve-btn {
    width: 30%;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 16px;
}

.reject-btn {
    width: 30%;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 16px;
    background-color: #6b7780c7;
}

#jsonPreview {
    min-height: 80vh;
}

.page-container {
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.login-card {
    width: min(100%, 420px);
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 20px;
    padding: 28px 24px;
    text-align: center;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.login-card h2 {
    margin: 0 0 18px;
}

.login-card img {
    width: min(100%, 222px);
    height: auto;
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }

    header,
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .header-actions {
        width: 100%;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .language-switcher {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }

    .button-container {
        grid-template-columns: 1fr;
        gap: 12px;
        margin: 24px auto;
    }

    .problem-history,
    .primary-action,
    .problem-addition-action,
    .approve-btn,
    .reject-btn {
        width: 100%;
    }

    .problem-card {
        flex-direction: column;
        gap: 10px;
    }

    .problem-meta {
        flex-wrap: wrap;
    }

    .page-actions,
    .interview-detail-actions {
        flex-direction: column;
    }

    .bar-row {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .bar-label,
    .bar-score {
        width: auto;
        text-align: left;
    }

    .bar-wrapper {
        margin-right: 0;
    }

    .children {
        margin-left: 12px;
        padding-left: 12px;
    }

    .difficulty-selector,
    .category-row {
        flex-wrap: wrap;
    }

    .difficulty-btn,
    .category-item {
        flex: 1 1 calc(50% - 8px);
        text-align: center;
    }

    .chat-box {
        height: 58vh;
    }

    input,
    textarea,
    select,
    button {
        font-size: 16px;
    }

    #jsonPreview {
        min-height: 50vh;
    }
}