/* ===== 大腦 Emoji Logo ===== */
.md-header__button.md-logo {
  font-size: 1.5rem;
}

.md-header__button.md-logo::before {
  content: "🧠";
  font-size: 2rem;
  vertical-align: middle;
}

.md-header__button.md-logo svg {
  display: none;
}

/* ===== Navbar Flexbox Layout ===== */
.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar-left {
  flex-shrink: 0;
}

.navbar-title {
  flex: 1;
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.08em;
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== RWD: 平板與手機適配 ===== */
@media (max-width: 1024px) {
  .navbar-title {
    font-size: 28px;
    letter-spacing: 0.06em;
  }
}

@media (max-width: 768px) {
  .navbar-title {
    font-size: 22px;
    letter-spacing: 0.04em;
  }
}

@media (max-width: 480px) {
  .navbar-title {
    font-size: 16px;
    letter-spacing: 0.02em;
  }

  .navbar-container {
    gap: 1rem;
  }
}

/* ===== 經典藍 (PANTONE 19-4052) 色彩配置 ===== */
:root {
  --md-primary-fg-color: #0F4C81;
  --md-primary-fg-color--light: #1E5BA8;
  --md-primary-fg-color--lighter: #2D6BC5;
  --md-accent-fg-color: #00A4EF;
  --md-accent-fg-color--light: #4DBEF7;
}

[data-md-color-scheme="dark"] {
  --md-primary-fg-color: #1E5BA8;
  --md-primary-fg-color--light: #2D6BC5;
  --md-accent-fg-color: #00A4EF;
}

/* ===== 標題階層強化：拉開字重與顏色差異，不再只靠字級 ===== */
.md-typeset h1 {
  font-weight: 700 !important;
  color: var(--md-primary-fg-color) !important;
  letter-spacing: -0.02em;
}
.md-typeset h2 {
  font-weight: 600 !important;
  border-bottom: 2px solid var(--md-primary-fg-color--light);
  padding-bottom: 0.3rem;
  margin-top: 2.2rem !important;
}
.md-typeset h2::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1.1em;
  background: var(--md-accent-fg-color);
  margin-right: 0.5rem;
  vertical-align: middle;
  border-radius: 2px;
}

/* ===== Hero 區塊（首頁第一個 h1 所在區域加背景色帶）===== */
.md-content__inner > h1:first-child {
  background: linear-gradient(135deg, var(--md-primary-fg-color) 0%, var(--md-accent-fg-color) 100%);
  color: white !important;
  padding: 2.5rem 2rem;
  border-radius: 12px;
  margin: -0.6rem -0.2rem 2rem -0.2rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* ===== CTA 按鈕：把純文字連結變成真正按鈕 ===== */
.md-typeset a.md-button,
.cta-button {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: var(--md-primary-fg-color);
  color: white !important;
  font-weight: 600;
  text-decoration: none !important;
  margin: 0.3rem 0.4rem 0.3rem 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.md-typeset a.md-button:hover,
.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}
.md-typeset a.md-button--secondary,
.cta-button.ghost {
  background: transparent;
  border: 2px solid var(--md-primary-fg-color);
  color: var(--md-primary-fg-color) !important;
}

/* ===== 卡片區塊：讓條列/區段有視覺分隔 ===== */
.md-typeset .grid.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.md-typeset .grid.cards > * {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.md-typeset .grid.cards > *:hover {
  transform: translateY(-4px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 12px 28px rgba(0,0,0,0.1);
}

/* ===== CV 時間軸樣式（用於 admonition 或自訂 class）===== */
.cv-timeline {
  border-left: 3px solid var(--md-primary-fg-color--light);
  padding-left: 1.5rem;
  margin: 1rem 0 2rem;
}
.cv-timeline .cv-entry {
  position: relative;
  margin-bottom: 1.8rem;
}
.cv-timeline .cv-entry::before {
  content: "";
  position: absolute;
  left: -1.94rem;
  top: 0.3rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--md-accent-fg-color);
  box-shadow: 0 0 0 3px var(--md-default-bg-color);
}
.cv-timeline .cv-date {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--md-accent-fg-color);
}
.cv-timeline .cv-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.2rem 0;
}
.cv-timeline .cv-org {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
}

/* ===== 全域微互動 ===== */
.md-typeset a:not(.md-button) {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
.md-typeset a:not(.md-button):hover {
  border-bottom-color: currentColor;
}

/* ===== 卡片質感設計增強 ===== */
.md-typeset .grid.cards > * {
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 12px;
  padding: 1.2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.md-typeset .grid.cards > *:hover {
  transform: translateY(-4px);
  border-color: var(--md-accent-fg-color);
  box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

/* ===== 按鈕質感增強 ===== */
.md-typeset a.md-button,
.cta-button {
  box-shadow: 0 2px 8px rgba(15, 76, 129, 0.15);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.md-typeset a.md-button:hover,
.cta-button:hover {
  box-shadow: 0 6px 16px rgba(15, 76, 129, 0.25);
}