/* ═══════════════════════════════════════════════
   CSS 변수
   ═══════════════════════════════════════════════ */
:root {
    --primary:   #4a90e2;
    --secondary: #50e3c2;
    --bg:        #f4f6f9;
    --surface:   #ffffff;
    --text:      #2c3e50;
    --muted:     #7f8c8d;
    --shadow:    rgba(0,0,0,0.08);
    --font:      'Nanum Gothic', sans-serif;

    /* 특성 색상 */
    --c-O: #8e44ad;
    --c-C: #2980b9;
    --c-E: #d35400;
    --c-A: #27ae60;
    --c-N: #c0392b;

    /* 레벨 색상 */
    --lv-very-high: #16a085;
    --lv-high:      #2980b9;
    --lv-average:   #8e6c00;
    --lv-low:       #c0392b;
    --lv-very-low:  #922b21;
}

/* ═══════════════════════════════════════════════
   기본
   ═══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
}

.container {
    max-width: 820px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════════ */
.hero {
    background: linear-gradient(135deg, #3b7dd8, #45c8a8);
    color: #fff;
    padding: 3.5rem 2rem 4.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-noise {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(255,255,255,0.12) 0%, transparent 60%);
    pointer-events: none;
}

.hero h1 {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 800;
    margin: 0 0 0.6rem;
    letter-spacing: -0.5px;
}

.hero .subtitle {
    font-size: 0.95rem;
    opacity: 0.88;
    margin: 0;
    font-weight: 400;
}

/* ═══════════════════════════════════════════════
   Main content card
   ═══════════════════════════════════════════════ */
#main-content {
    background: var(--surface);
    border-radius: 20px;
    margin: -2rem 1rem 0;
    padding: 2.5rem 2rem;
    box-shadow: 0 12px 40px var(--shadow);
    position: relative;
    z-index: 10;
}

/* ═══════════════════════════════════════════════
   소개 화면
   ═══════════════════════════════════════════════ */
#test-intro { text-align: center; }

#test-intro h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 0 1.2rem;
}

.intro-desc {
    color: #555;
    line-height: 1.75;
    max-width: 580px;
    margin: 0 auto 0.75rem;
    font-size: 0.95rem;
}

.traits-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin: 1.8rem auto 1.2rem;
    max-width: 560px;
}

.trait-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.1rem;
    border-radius: 12px;
    color: #fff;
    min-width: 150px;
}
.trait-item strong { display: block; font-size: 0.95rem; }
.trait-item small  { font-size: 0.75rem; opacity: 0.85; }

.trait-letter {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
}

.trait-item.trait-O { background: var(--c-O); }
.trait-item.trait-C { background: var(--c-C); }
.trait-item.trait-E { background: var(--c-E); }
.trait-item.trait-A { background: var(--c-A); }
.trait-item.trait-N { background: var(--c-N); }

.intro-note {
    font-size: 0.88rem;
    color: var(--muted);
    margin: 0.5rem auto 1.8rem;
    max-width: 480px;
}

/* ═══════════════════════════════════════════════
   버튼
   ═══════════════════════════════════════════════ */
#start-btn, .submit-btn, #restart-btn {
    font-family: var(--font);
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.9rem 2.4rem;
    cursor: pointer;
    transition: transform 0.18s, box-shadow 0.18s;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 4px 14px rgba(74,144,226,0.35);
}

#start-btn:hover, .submit-btn:hover, #restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(74,144,226,0.45);
}

.submit-btn {
    display: block;
    width: 100%;
    margin-top: 2rem;
    padding: 1.1rem;
    font-size: 1.1rem;
}

#restart-btn {
    display: block;
    margin: 2rem auto 0;
}

.hidden { display: none !important; }

/* ═══════════════════════════════════════════════
   진행률 바
   ═══════════════════════════════════════════════ */
#progress-section {
    position: sticky;
    top: 0;
    background: var(--surface);
    padding: 0.9rem 0 1rem;
    z-index: 20;
    border-bottom: 1px solid #eef0f3;
    margin-bottom: 1.8rem;
}

#progress-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

#progress-bar-wrap {
    width: 100%;
    height: 8px;
    background: #e3e8ef;
    border-radius: 4px;
    overflow: hidden;
}

#progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.35s ease;
}

/* ═══════════════════════════════════════════════
   문항 카드
   ═══════════════════════════════════════════════ */
.question {
    background: #fafbfc;
    border: 1.5px solid #e4e8ed;
    border-radius: 14px;
    padding: 1.4rem 1.5rem;
    margin-bottom: 1.2rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.question.answered {
    border-color: var(--secondary);
    box-shadow: 0 2px 10px rgba(80,227,194,0.15);
}

.question p {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.55;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.q-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 800;
    flex-shrink: 0;
    margin-top: 1px;
}

/* 선택지 */
.options {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.opt-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.9rem;
    border-radius: 9px;
    border: 1.5px solid transparent;
    background: #f0f3f7;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}

.opt-label:hover {
    background: #e4ecf7;
}

.opt-label.selected {
    background: #e8f0fe;
    border-color: var(--primary);
}

.opt-label input[type="radio"] {
    display: none;
}

.opt-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid #c8d2de;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.82rem;
    font-weight: 700;
    color: #8a9bb0;
    flex-shrink: 0;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.opt-label.selected .opt-circle {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.opt-text {
    font-size: 0.9rem;
    color: #4a5568;
}

.opt-label.selected .opt-text {
    color: var(--primary);
    font-weight: 700;
}

/* ═══════════════════════════════════════════════
   결과 화면
   ═══════════════════════════════════════════════ */
.results-title {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    margin: 0 0 0.4rem;
}

.results-subtitle {
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0 0 2rem;
}

/* 레이더 차트 */
#radar-wrap {
    width: 100%;
    max-width: 420px;
    margin: 0 auto 2.5rem;
}

/* 결과 카드 */
.result-card {
    border-radius: 16px;
    padding: 1.6rem;
    margin-bottom: 1.4rem;
    box-shadow: 0 4px 18px var(--shadow);
    border-left: 5px solid;
    background: var(--surface);
}

.result-card.trait-O { border-color: var(--c-O); }
.result-card.trait-C { border-color: var(--c-C); }
.result-card.trait-E { border-color: var(--c-E); }
.result-card.trait-A { border-color: var(--c-A); }
.result-card.trait-N { border-color: var(--c-N); }

.rc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.rc-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text);
}

/* 점수 바 */
.score-bar {
    width: 100%;
    height: 10px;
    background: #e8edf2;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 0.6rem;
}

.score-fill {
    height: 100%;
    border-radius: 5px;
    width: 0%;
    transition: width 1s cubic-bezier(0.25,1,0.5,1);
}

.result-card.trait-O .score-fill { background: var(--c-O); }
.result-card.trait-C .score-fill { background: var(--c-C); }
.result-card.trait-E .score-fill { background: var(--c-E); }
.result-card.trait-A .score-fill { background: var(--c-A); }
.result-card.trait-N .score-fill { background: var(--c-N); }

.score-label {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0 0 0.9rem;
}

.rc-desc {
    font-size: 0.94rem;
    line-height: 1.75;
    color: #3d4f61;
    margin: 0 0 1rem;
}

.rc-detail {
    background: #f7f9fb;
    border-radius: 10px;
    padding: 0.9rem 1rem;
}

.rc-detail-title {
    margin: 0 0 0.5rem;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.3px;
}

.strength-title { color: #1a6b3a; }
.tip-title      { color: #7d4a00; }

.rc-detail ul {
    margin: 0;
    padding-left: 1.2rem;
}

.rc-detail ul li {
    font-size: 0.88rem;
    color: #4a5568;
    line-height: 1.65;
    margin-bottom: 0.2rem;
}

/* 레벨 뱃지 */
.level-badge {
    display: inline-block;
    padding: 0.28rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 800;
    color: #fff;
    white-space: nowrap;
}

.lv-very-high { background: var(--lv-very-high); }
.lv-high      { background: var(--lv-high); }
.lv-average   { background: var(--lv-average); }
.lv-low       { background: var(--lv-low); }
.lv-very-low  { background: var(--lv-very-low); }

/* ═══════════════════════════════════════════════
   고객 문의 폼
   ═══════════════════════════════════════════════ */
.contact-section {
    max-width: 820px;
    margin: 2rem auto 0;
    padding: 0 1rem 5rem;
}

.contact-card {
    background: var(--surface);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: 0 12px 40px var(--shadow);
}

.contact-title {
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0 0 0.4rem;
    color: var(--text);
}

.contact-desc {
    font-size: 0.92rem;
    color: var(--muted);
    margin: 0 0 1.8rem;
    line-height: 1.6;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.1rem;
}

.field-group label {
    font-size: 0.88rem;
    font-weight: 700;
    color: #4a5568;
}

.field-group input,
.field-group textarea {
    font-family: var(--font);
    font-size: 0.95rem;
    color: var(--text);
    background: #f7f9fb;
    border: 1.5px solid #dde3ea;
    border-radius: 10px;
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.18s, box-shadow 0.18s;
    resize: vertical;
}

.field-group input:focus,
.field-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74,144,226,0.15);
    background: #fff;
}

.contact-submit-btn {
    font-family: var(--font);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 0.85rem 2rem;
    cursor: pointer;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 4px 14px rgba(74,144,226,0.35);
    transition: transform 0.18s, box-shadow 0.18s;
    margin-top: 0.4rem;
}

.contact-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 20px rgba(74,144,226,0.45);
}

.contact-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 성공/에러 메시지 */
.contact-success {
    text-align: center;
    padding: 2rem 1rem;
}

.success-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--lv-very-high);
    color: #fff;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.success-msg {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.7;
    color: var(--text);
    margin: 0;
}

.contact-error {
    margin-top: 0.8rem;
    font-size: 0.9rem;
    color: var(--c-N);
    font-weight: 700;
}

/* ═══════════════════════════════════════════════
   반응형
   ═══════════════════════════════════════════════ */
@media (max-width: 600px) {
    #main-content { margin: -1.5rem 0.5rem 0; padding: 1.8rem 1.2rem; }
    .hero { padding: 2.5rem 1.2rem 3.5rem; }
    .traits-grid { gap: 0.5rem; }
    .trait-item { min-width: 140px; }
    .options { gap: 0.4rem; }
    .rc-header { flex-direction: column; align-items: flex-start; }
    .contact-card { padding: 1.8rem 1.2rem; }
}