:root {
  --bg: #f4efe6;
  --surface: #fffaf2;
  --surface-strong: #ffffff;
  --text: #211f18;
  --muted: #5f584a;
  --brand: #0b6848;
  --brand-strong: #095039;
  --line: #dacfbf;
  --warn: #9f3d07;
  --radius: 16px;
  --shadow: 0 10px 26px rgba(30, 28, 24, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 96% 0%, #ffe7bf 0%, transparent 42%),
    radial-gradient(circle at 0% 100%, #d6f4e7 0%, transparent 34%),
    var(--bg);
  font-family: "Pretendard", "Noto Sans KR", "Segoe UI", sans-serif;
  line-height: 1.45;
}

.hero {
  padding: 32px 18px 14px;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  background: linear-gradient(125deg, #fff9ef, #f2fff8);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-strong);
  font-weight: 800;
}

h1 {
  margin: 8px 0 6px;
  font-size: clamp(1.4rem, 2.6vw, 2.2rem);
}

.subtitle {
  margin: 0;
  color: var(--muted);
}

.hero-links {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-link {
  display: inline-block;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid #b8d7c8;
  background: #f8fff9;
  color: #1c5c41;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.86rem;
}

.hero-link:hover {
  background: #ecf8f0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 18px 28px;
}

.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 14px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel h2 {
  margin: 0 0 6px;
  font-size: 1.12rem;
}

.panel-copy {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.94rem;
}

.search-wrap {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
  font-weight: 700;
  font-size: 0.9rem;
}

.search-wrap input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

.calc-list {
  display: grid;
  gap: 8px;
  max-height: 560px;
  overflow: auto;
  padding-right: 2px;
}

.calc-btn {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 9px 10px;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
  color: #2d2a21;
}

.calc-btn:hover {
  transform: translateY(-1px);
}

.calc-btn.active {
  border-color: var(--brand);
  background: #ecf9f2;
  color: #0c4e38;
}

.workspace-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.workspace-head h2 {
  margin-bottom: 4px;
}

.workspace-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 9px 12px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.form-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 6px;
}

.field label {
  font-weight: 700;
  font-size: 0.92rem;
  color: #322d23;
}

.field input,
.field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.96rem;
  background: #fff;
}

.field input:focus,
.field select:focus,
.search-wrap input:focus {
  outline: 2px solid #a8e7cc;
  border-color: var(--brand);
}

.result-card,
.insight-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 12px;
  padding: 12px;
  background: #fff;
}

.result-card h3,
.insight-card h3 {
  margin: 0 0 8px;
  font-size: 0.98rem;
}

.result-body {
  color: #2e2c24;
  font-size: 0.95rem;
}

.metric-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric {
  border: 1px solid #d8ebdf;
  background: #f8fffb;
  border-radius: 10px;
  padding: 8px 9px;
}

.metric span {
  display: block;
  color: #4b5d53;
  font-size: 0.82rem;
}

.metric strong {
  display: block;
  margin-top: 3px;
  font-size: 1rem;
  color: #0f4f37;
}

.msg {
  color: var(--muted);
}

.warn-list,
.note-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: #3e392f;
}

.warn-list {
  color: var(--warn);
}

.insight-card p {
  margin: 0;
  color: #184b34;
}

.ad-slot {
  margin: 10px 0 12px;
}

.ad-box {
  border: 0;
  background: transparent;
  border-radius: 0;
  min-height: 0;
  display: block;
  padding: 0;
  margin: 0 auto;
  max-width: 760px;
}

.ad-slot-display .ad-box {
  max-width: 620px;
}

.ad-slot-multiplex .ad-box {
  max-width: 560px;
}

.ad-box .adsbygoogle {
  display: block !important;
  margin: 0 auto !important;
  width: 100%;
}

.guide ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.guide li + li {
  margin-top: 6px;
}

.resource-grid {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.resource-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 12px;
  text-decoration: none;
  color: inherit;
}

.resource-card:hover {
  border-color: #9cc6af;
  background: #f6fff9;
}

.resource-card strong {
  display: block;
  margin-bottom: 4px;
}

.resource-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.faq details {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
}

.faq details + details {
  margin-top: 8px;
}

.faq summary {
  font-weight: 700;
  cursor: pointer;
}

.faq p {
  margin: 8px 0 0;
  color: var(--muted);
}

.footer {
  text-align: center;
  color: var(--muted);
  padding: 2px 18px 24px;
}

.footer-links {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-links a {
  color: #315a4a;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.88rem;
}

.footer-links a:hover {
  text-decoration: underline;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .workspace {
    order: 1;
  }

  .nav-panel {
    order: 2;
  }

  .calc-list {
    max-height: 180px;
  }

  .resource-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 20px;
  }

  .hero-inner {
    padding: 16px;
    border-radius: 14px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    padding: 14px;
  }

  .ad-box {
    padding: 0;
  }

  .ad-slot-display .ad-box {
    max-width: 320px;
  }

  .ad-slot-multiplex .ad-box {
    max-width: 320px;
  }

  .ad-slot-multiplex {
    display: none;
  }
}