.wk-header {
  padding: 44px 0 36px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 36px;
}
.wk-breadcrumb {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.wk-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.wk-breadcrumb a:hover { color: var(--text); }
.wk-week-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--red);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}
.wk-title {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 10px;
}
.wk-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}
.wk-progress { display: flex; gap: 4px; margin-top: 20px; }
.wk-prog-dot { width: 24px; height: 3px; border-radius: 2px; background: var(--border); }
.wk-prog-dot.done    { background: var(--text); }
.wk-prog-dot.current { background: var(--red); }

.wk-section { margin-bottom: 48px; }
.wk-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.wk-section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.wk-article { font-family: 'Noto Serif KR', 'Georgia', serif; }
.wk-article p { font-size: 16px; line-height: 2; color: var(--text); margin-bottom: 22px; }
.wk-article p:last-child { margin-bottom: 0; }
.wk-highlight {
  display: block;
  font-size: 16px;
  font-weight: 700;
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--text);
  border-left: 3px solid var(--red);
  padding: 14px 18px;
  margin: 28px 0;
  background: var(--surface);
  line-height: 1.75;
}

.think-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0; }
.think-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.think-item:first-child { border-top: 1px solid var(--border); }
.think-num { font-size: 11px; font-weight: 700; color: var(--red); flex-shrink: 0; padding-top: 3px; min-width: 18px; }
.think-text { font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.6; letter-spacing: -0.2px; }
.think-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; line-height: 1.6; }

.write-block { margin-bottom: 24px; }
.write-label { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: -0.2px; display: block; }
.write-hint { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; display: block; line-height: 1.6; }
.wk-textarea {
  width: 100%;
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-family: 'Noto Serif KR', 'Georgia', serif;
  font-size: 15px;
  line-height: 1.8;
  resize: none;
  min-height: 110px;
  outline: none;
  transition: border-color 0.2s;
  display: block;
}
.wk-textarea:focus { border-color: var(--text); }
.wk-textarea::placeholder { color: var(--text-muted); font-family: 'Noto Sans KR', sans-serif; font-size: 13px; }
.wk-textarea.short { min-height: 68px; }

.wk-save-wrap { border-top: 1px solid var(--border); padding-top: 28px; margin-top: 8px; }
.wk-save-notice { font-size: 12px; color: var(--text-muted); margin-bottom: 14px; line-height: 1.65; }
.wk-save-notice strong { color: var(--text); font-weight: 700; }

.wk-done-wrap {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  margin-bottom: 28px;
}
.wk-done-title { font-size: 16px; font-weight: 900; color: var(--text); margin-bottom: 6px; letter-spacing: -0.3px; }
.wk-done-sub { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.wk-done-entries { margin-top: 18px; display: flex; flex-direction: column; gap: 14px; }
.wk-done-entry-label { font-size: 10px; font-weight: 700; color: var(--text-muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 4px; }
.wk-done-entry-text { font-family: 'Noto Serif KR', serif; font-size: 14px; color: var(--text); line-height: 1.8; white-space: pre-wrap; }

.wk-next {
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  display: none;
}
.wk-next-label { font-size: 10px; font-weight: 700; letter-spacing: 2.5px; color: var(--text-muted); text-transform: uppercase; margin-bottom: 10px; }
.wk-next-title { font-size: 17px; font-weight: 900; color: var(--text); letter-spacing: -0.4px; margin-bottom: 6px; }
.wk-next-desc { font-size: 13px; color: var(--text-muted); line-height: 1.65; margin-bottom: 16px; }

/* 5주차 전용: 이전 주차 기록 요약 */
.wk-recap { display: flex; flex-direction: column; gap: 16px; margin-bottom: 0; }
.wk-recap-item { border-left: 2px solid var(--border); padding: 10px 16px; }
.wk-recap-week { font-size: 10px; font-weight: 700; color: var(--red); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 6px; }
.wk-recap-entry { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.wk-recap-entry strong { color: var(--text); display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 2px; }

@media (max-width: 520px) {
  .wk-title { font-size: 24px; }
  .wk-article p { font-size: 15px; }
}