:root {
  --color-background: #FFF9F5;
  --color-surface: #FFFFFF;
  --color-surface-elevated: #FFFFFF;
  --color-surface-warm: #FFF4EE;
  --color-surface-cool: #F3FAFF;

  --color-text-primary: #2C2522;
  --color-text-secondary: #7A706B;
  --color-text-tertiary: #A2958E;

  --color-border: #E9DED5;
  --color-divider: #F0E7E0;

  --color-accent: #FFC96B;
  --color-secondary: #6ECBF5;
  --color-primary: #FF7A6B;

  --color-positive: #4FBF8F;
  --color-negative: #FF8095;
  --color-warning: #F5A524;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #141110;
    --color-surface: #1D1816;
    --color-surface-elevated: #251F1C;
    --color-surface-warm: #312522;
    --color-surface-cool: #1C2931;

    --color-text-primary: #F8F3EF;
    --color-text-secondary: #CFC2BA;
    --color-text-tertiary: #9E9088;

    --color-border: #332B28;
    --color-divider: #2A2320;

    --color-accent: #FFD37F;
    --color-secondary: #83D8FF;
    --color-primary: #FF8C80;

    --color-positive: #63D6A2;
    --color-negative: #E85D75;
    --color-warning: #FFBE55;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Noto Sans KR', sans-serif;
  background: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.8;
}

/* Header */
header {
  border-bottom: 1px solid var(--color-border);
  padding: 2.5rem 0 2rem;
  text-align: center;
  background: var(--color-background);
}

img.logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

header h1 {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
}

header p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  font-weight: 300;
}

/* Container */
.container {
  max-width: 740px;
  margin: 0 auto;
  padding: 3rem 2rem 6rem;
}

.doc-title {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.doc-meta {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

/* Sections */
section {
  margin-bottom: 2.5rem;
}

h2 {
  font-family: 'Noto Serif KR', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

h2 .num {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--color-surface-warm);
  color: white;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  letter-spacing: 0.03em;
}

p {
  font-size: 0.88rem;
  color: var(--color-text-primary);
  font-weight: 300;
  margin-bottom: 0.6rem;
}

ul {
  padding-left: 1.2rem;
  margin-bottom: 0.6rem;
}

ul li {
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--color-text-primary);
  margin-bottom: 0.35rem;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

th {
  background: var(--color-surface);
  color: var(--color-primary);
  font-weight: 500;
  padding: 0.6rem 0.8rem;
  text-align: left;
  border: 1px solid var(--color-border);
}

td {
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border);
  font-weight: 300;
  vertical-align: top;
}

tr:nth-child(even) td {
  background: var(--color-surface-elevated);
}

/* Boxes */
.highlight-box {
  background: var(--color-surface-warm);
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.2rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1rem;
}

.highlight-box p {
  margin: 0 0 0.3rem;
  font-size: 0.85rem;
}

.highlight-box p:last-child {
  margin: 0;
}

.alert-box {
  background: var(--color-surface-cool);
  border-left: 3px solid var(--color-primary);
  padding: 1rem 1.2rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 1rem;
}

.alert-box p {
  margin: 0;
  font-size: 0.85rem;
}

/* Links */
a {
  color: var(--color-primary);
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}