/* ADHD Self Test — 공통 스타일시트
   반응형(360px 폭 기준), 가독성, 접근성(색상 대비/포커스 표시)을 우선한다. */

:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-text: #1f2430;
  --color-muted: #5a6270;
  --color-primary: #2f6f6f;
  --color-primary-dark: #204d4d;
  --color-primary-contrast: #ffffff;
  --color-border: #dde1e6;
  --color-disclaimer-bg: #fff6e5;
  --color-disclaimer-border: #d9a441;
  --color-disclaimer-text: #6b4a10;
  --color-ad-bg: #f0f1f3;
  --color-ad-border: #b9bec7;
  --radius: 10px;
  --max-width: 760px;
  --focus-ring: 3px solid #1a73e8;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, "Apple SD Gothic Neo", "Segoe UI", "Malgun Gothic",
    Roboto, "Noto Sans KR", sans-serif;
  line-height: 1.7;
  font-size: 16px;
  word-break: keep-all;
}

img {
  max-width: 100%;
}

a {
  color: var(--color-primary);
}

a:hover {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* ---------- Header / Navigation ---------- */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.main-nav > a {
  display: inline-block;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--color-text);
  border-radius: 6px;
  font-size: 0.95rem;
}

.main-nav > a:hover,
.main-nav > a:focus-visible {
  background: var(--color-bg);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown summary:hover,
.nav-dropdown summary:focus-visible {
  background: var(--color-bg);
}

.nav-dropdown summary::after {
  content: " \25BE";
}

.nav-dropdown[open] summary::after {
  content: " \25B4";
}

.dropdown-menu {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 6px;
  margin-top: 4px;
}

.dropdown-menu a {
  padding: 8px 10px;
  text-decoration: none;
  color: var(--color-text);
  border-radius: 6px;
  font-size: 0.92rem;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  background: var(--color-bg);
}

/* On wide screens, show dropdown as an absolutely-positioned panel instead of pushing layout */
@media (min-width: 481px) {
  .nav-dropdown {
    position: relative;
  }
  .dropdown-menu {
    position: absolute;
    right: 0;
    min-width: 220px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 48px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px 32px;
}

.footer-disclaimer {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0 0 10px;
}

.footer-copyright {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: 0;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-primary-dark);
  color: var(--color-primary-contrast);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-bg);
}

/* ---------- Disclaimer boxes ---------- */

.disclaimer {
  background: var(--color-disclaimer-bg);
  border-left: 5px solid var(--color-disclaimer-border);
  color: var(--color-disclaimer-text);
  border-radius: 6px;
  padding: 14px 16px;
  font-size: 0.95rem;
  margin: 16px 0;
}

.disclaimer--compact {
  font-weight: 600;
}

.disclaimer--full h2 {
  margin-top: 0;
  font-size: 1.05rem;
  color: var(--color-text);
}

.disclaimer--full p {
  margin: 0 0 10px;
}

.disclaimer--full p:last-child {
  margin-bottom: 0;
}

/* ---------- Ad slot placeholder ---------- */

.ad-slot {
  background: var(--color-ad-bg);
  border: 1px dashed var(--color-ad-border);
  border-radius: var(--radius);
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 28px 0;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.ad-slot::before {
  content: "광고";
  letter-spacing: 0.1em;
}

/* ---------- Hero / index page ---------- */

.hero {
  padding: 28px 0 8px;
}

.hero h1 {
  font-size: 1.6rem;
  margin: 0 0 12px;
}

.hero .lead {
  color: var(--color-muted);
  margin: 0 0 16px;
}

.hero-actions {
  margin: 20px 0 8px;
}

.article-list h2,
.related-links h2,
.related-articles h2 {
  font-size: 1.15rem;
  margin: 32px 0 12px;
}

.article-list ul,
.related-links ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-list li,
.related-links li {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 10px;
  background: var(--color-surface);
}

.article-list a,
.related-links a {
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.article-list a:hover,
.related-links a:hover {
  color: var(--color-primary);
}

/* ---------- Test page ---------- */

.test-page h1 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.instruction {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.progress-wrap {
  margin: 20px 0;
}

.progress-track {
  background: var(--color-border);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.progress-fill {
  background: var(--color-primary);
  height: 100%;
  width: 0%;
  transition: width 0.25s ease;
}

.progress-label {
  text-align: right;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 6px 0 0;
}

.question-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 18px;
  margin-bottom: 16px;
}

.question-card h2 {
  font-size: 1.1rem;
  margin: 0 0 18px;
  line-height: 1.6;
}

.options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.98rem;
  cursor: pointer;
  text-align: left;
}

.option-btn:hover {
  border-color: var(--color-primary);
}

.option-btn.selected {
  border-color: var(--color-primary);
  background: #eaf3f3;
  font-weight: 700;
}

.option-btn .option-value {
  color: var(--color-muted);
  font-size: 0.8rem;
}

.test-nav {
  display: flex;
  justify-content: flex-start;
  margin: 8px 0 32px;
}

/* ---------- Result page ---------- */

.score-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 18px;
  text-align: center;
}

.score-total {
  font-size: 1.4rem;
  margin: 0 0 4px;
}

.score-band {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 6px;
}

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

.interpretation {
  margin: 20px 0;
}

.interpretation h2 {
  font-size: 1.15rem;
}

.result-actions {
  margin: 20px 0 8px;
}

/* ---------- Article pages ---------- */

.article-page h1 {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.article-page .lead {
  color: var(--color-muted);
}

.article-page h2 {
  font-size: 1.2rem;
  margin-top: 32px;
}

.article-page h3 {
  font-size: 1.05rem;
  margin-top: 22px;
}

.article-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.92rem;
}

.article-page th,
.article-page td {
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  text-align: left;
}

.article-page ul,
.article-page ol {
  padding-left: 1.3em;
}

.cta-box {
  text-align: center;
  margin: 24px 0;
}

.cta-link {
  font-weight: 700;
}

hr.article-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 28px 0;
}

/* ---------- Small screens (down to 360px) ---------- */

@media (max-width: 400px) {
  body {
    font-size: 15px;
  }

  .btn {
    width: 100%;
  }

  .option-btn {
    padding: 12px 12px;
  }

  .score-total {
    font-size: 1.2rem;
  }
}