/* ============================================================
   AI.Freddy Design System — Minimalist Override
   Loaded after main.css to override framework styles
   ============================================================ */

/* ─── Design Tokens ─────────────────────────────────────── */
:root {
  /* Colors */
  --bg:          #FAFAF8;
  --surface:     #FFFFFF;
  --text-1:      #2C2C2A;
  --text-2:      #6B6B68;
  --text-3:      #9E9E9A;
  --border:      #E8E6E0;
  --border-strong: #D5D3CC;
  --accent:      #4F46E5;
  --accent-soft: #EEF0FE;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Noto Sans SC", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "JetBrains Mono", monospace;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.15s var(--ease);
  --t-base: 0.25s var(--ease);
}

/* ─── Global Reset ──────────────────────────────────────── */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg) !important;
  color: var(--text-1) !important;
  font-family: var(--font) !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  font-weight: 400 !important;
  letter-spacing: -0.003em !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}

a {
  color: var(--accent) !important;
  text-decoration: none !important;
  transition: color var(--t-fast);
}

a:hover {
  color: var(--text-1) !important;
}

p {
  color: var(--text-2) !important;
  line-height: 1.7 !important;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-1) !important;
  font-family: var(--font) !important;
  font-weight: 600 !important;
  letter-spacing: -0.02em !important;
}

h2 { font-size: 22px !important; }
h3 { font-size: 16px !important; }

/* ─── Navigation ────────────────────────────────────────── */
#nav {
  background: rgba(250, 250, 248, 0.85) !important;
  backdrop-filter: saturate(180%) blur(20px) !important;
  -webkit-backdrop-filter: saturate(180%) blur(20px) !important;
  border-bottom: 1px solid var(--border) !important;
  box-shadow: none !important;
  height: 56px !important;
  line-height: 56px !important;
}

#nav.scrolled {
  background: rgba(250, 250, 248, 0.95) !important;
}

#nav ul {
  max-width: 960px !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
  list-style: none !important;
}

#nav li {
  line-height: 56px !important;
}

#nav a {
  color: var(--text-2) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  padding: 0 14px !important;
  display: inline-block !important;
  border: none !important;
  background: none !important;
  border-radius: var(--r-sm) !important;
  transition: color var(--t-fast), background var(--t-fast) !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
}

#nav a:hover {
  color: var(--text-1) !important;
  background: var(--accent-soft) !important;
}

#nav a.active {
  color: var(--text-1) !important;
  font-weight: 600 !important;
}

#nav a.active::after {
  display: none !important;
}

#nav a.active {
  position: relative !important;
}

#nav a.active::before {
  content: "" !important;
  position: absolute !important;
  bottom: 10px !important;
  left: 14px !important;
  right: 14px !important;
  height: 2px !important;
  background: var(--text-1) !important;
  border-radius: 1px !important;
}

/* ─── Wrappers (Section backgrounds) ────────────────────── */
.wrapper {
  padding: 64px 0 !important;
  background: var(--bg) !important;
}

.wrapper.style1 {
  background: var(--bg) !important;
  padding-top: 80px !important;
}

.wrapper.style2 {
  background: var(--surface) !important;
  border-top: 1px solid var(--border) !important;
  border-bottom: 1px solid var(--border) !important;
}

.wrapper.style3 {
  background: var(--bg) !important;
}

.wrapper.style4 {
  background: var(--surface) !important;
  border-top: 1px solid var(--border) !important;
  padding: 40px 0 !important;
}

/* ─── Container ─────────────────────────────────────────── */
.container {
  max-width: 960px !important;
  margin: 0 auto !important;
  padding: 0 24px !important;
  width: 100% !important;
}

.container.medium {
  max-width: 640px !important;
}

/* ─── Section Headers ───────────────────────────────────── */
.wrapper > .container > header {
  text-align: center !important;
  margin-bottom: 48px !important;
}

.wrapper > .container > header h2 {
  font-size: 24px !important;
  font-weight: 600 !important;
  margin-bottom: 8px !important;
}

.wrapper > .container > header p {
  font-size: 14px !important;
  color: var(--text-3) !important;
}

/* ─── Hero (index.html) ─────────────────────────────────── */
.wrapper.style1 .avatar-container {
  margin-bottom: 24px !important;
}

.ai-avatar {
  width: 88px !important;
  height: 88px !important;
}

.ai-avatar svg {
  width: 88px !important;
  height: 88px !important;
}

.typing-title {
  font-size: 28px !important;
  font-weight: 600 !important;
  letter-spacing: -0.03em !important;
  margin-bottom: 8px !important;
  min-height: 36px !important;
}

.typing-title .gradient-text {
  background: none !important;
  -webkit-background-clip: unset !important;
  -webkit-text-fill-color: unset !important;
  color: var(--text-1) !important;
}

.subtitle {
  font-size: 13px !important;
  color: var(--text-3) !important;
  letter-spacing: 0.02em !important;
  margin-bottom: 20px !important;
}

.intro-text {
  font-size: 15px !important;
  color: var(--text-2) !important;
  max-width: 480px !important;
  margin: 0 auto !important;
  line-height: 1.75 !important;
}

.intro-text strong {
  color: var(--text-1) !important;
  font-weight: 600 !important;
}

/* ─── Entry Cards (index.html bottom) ───────────────────── */
.entry-cards {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 16px !important;
  margin-top: 64px !important;
}

.entry-card {
  display: block !important;
  padding: 28px 24px !important;
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  transition: border-color var(--t-base), transform var(--t-base) !important;
  text-decoration: none !important;
}

.entry-card:hover {
  border-color: var(--border-strong) !important;
  transform: translateY(-2px) !important;
}

.entry-card .entry-icon {
  font-size: 22px !important;
  margin-bottom: 12px !important;
  display: block !important;
  color: var(--text-1) !important;
}

.entry-card h3 {
  font-size: 15px !important;
  font-weight: 600 !important;
  margin-bottom: 4px !important;
  color: var(--text-1) !important;
}

.entry-card p {
  font-size: 12px !important;
  color: var(--text-3) !important;
  margin: 0 !important;
  line-height: 1.5 !important;
}

/* ─── Portfolio List (zig-zag horizontal cards) ────────── */
.portfolio-list {
  display: flex !important;
  flex-direction: column !important;
  gap: 24px !important;
}

.portfolio-item {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 0 !important;
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  overflow: hidden !important;
  transition: border-color var(--t-base) !important;
}

.portfolio-item:hover {
  border-color: var(--border-strong) !important;
}

.portfolio-item:nth-child(even) .portfolio-media {
  order: 2 !important;
}

.portfolio-media {
  background: var(--bg) !important;
  overflow: hidden !important;
  min-height: 240px !important;
  display: flex !important;
  align-items: center !important;
}

.portfolio-media video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
}

.portfolio-info {
  padding: 32px !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
}

.portfolio-info h3 {
  font-size: 18px !important;
  font-weight: 600 !important;
  margin-bottom: 10px !important;
  color: var(--text-1) !important;
}

.portfolio-info p {
  font-size: 13px !important;
  color: var(--text-2) !important;
  line-height: 1.7 !important;
  margin-bottom: 16px !important;
}

.portfolio-info .tech-tags {
  padding: 0 !important;
  margin-top: auto !important;
}

@media screen and (max-width: 736px) {
  .portfolio-item {
    grid-template-columns: 1fr !important;
  }

  .portfolio-item:nth-child(even) .portfolio-media {
    order: 0 !important;
  }

  .portfolio-media {
    min-height: 180px !important;
  }

  .portfolio-info {
    padding: 20px !important;
  }
}

/* ─── Box / Card Override ───────────────────────────────── */
.box {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  padding: 24px !important;
  box-shadow: none !important;
  transition: border-color var(--t-base) !important;
}

.box.style1 {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

.box.style2 {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  box-shadow: none !important;
}

/* ─── Portfolio Cards ───────────────────────────────────── */
.portfolio-card {
  padding: 0 !important;
  overflow: hidden !important;
  transition: border-color var(--t-base) !important;
}

.portfolio-card:hover {
  border-color: var(--border-strong) !important;
}

.portfolio-card .image.featured {
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  border-radius: 0 !important;
  overflow: hidden !important;
  background: var(--bg) !important;
}

.portfolio-card .image.featured video {
  width: 100% !important;
  display: block !important;
  border-radius: 0 !important;
}

.portfolio-card h3 {
  padding: 20px 20px 0 !important;
  font-size: 15px !important;
  font-weight: 600 !important;
}

.portfolio-card h3 a {
  color: var(--text-1) !important;
}

.portfolio-card h3 a:hover {
  color: var(--accent) !important;
}

.portfolio-card > p {
  padding: 8px 20px 16px !important;
  font-size: 13px !important;
  color: var(--text-2) !important;
  margin: 0 !important;
}

.tech-tags {
  padding: 0 20px 20px !important;
  display: flex !important;
  gap: 6px !important;
  flex-wrap: wrap !important;
}

.tech-tag {
  display: inline-block !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  padding: 3px 10px !important;
  border-radius: 100px !important;
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  border: none !important;
  letter-spacing: 0.02em !important;
}

/* ─── Methodology Section ───────────────────────────────── */
.methodology-category {
  margin-bottom: 24px !important;
  margin-top: 40px !important;
}

.methodology-category:first-of-type {
  margin-top: 0 !important;
}

.category-title {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text-1) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.06em !important;
  margin-bottom: 2px !important;
}

.category-subtitle {
  font-size: 12px !important;
  color: var(--text-3) !important;
  margin-bottom: 16px !important;
}

/* Methodology Card */
.methodology-card {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  padding: 24px !important;
  text-align: left !important;
  transition: border-color var(--t-base) !important;
  position: relative !important;
}

.methodology-card::before {
  display: none !important;
}

.methodology-card:hover {
  border-color: var(--border-strong) !important;
  transform: none !important;
  box-shadow: none !important;
}

/* Card icon — simple, no gradient circle */
.methodology-card .icon.featured {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  border-radius: var(--r-sm) !important;
  background: var(--accent-soft) !important;
  margin: 0 0 14px 0 !important;
}

.methodology-card .icon.featured:before {
  font-size: 16px !important;
  color: var(--accent) !important;
  -webkit-text-fill-color: var(--accent) !important;
  background: none !important;
}

/* Category variants — all use same accent, just different icon bg tints */
.cat-core .icon.featured { background: #EEF0FE !important; }
.cat-core .icon.featured:before { color: #4F46E5 !important; -webkit-text-fill-color: #4F46E5 !important; }

.cat-engineering .icon.featured { background: #E8F7F0 !important; }
.cat-engineering .icon.featured:before { color: #059669 !important; -webkit-text-fill-color: #059669 !important; }

.cat-advanced .icon.featured { background: #FEF3E8 !important; }
.cat-advanced .icon.featured:before { color: #D97706 !important; -webkit-text-fill-color: #D97706 !important; }

.methodology-card h3 {
  font-size: 15px !important;
  font-weight: 600 !important;
  margin-bottom: 6px !important;
  color: var(--text-1) !important;
}

.methodology-desc {
  font-size: 13px !important;
  color: var(--text-2) !important;
  line-height: 1.65 !important;
  margin-bottom: 12px !important;
}

/* ─── Expand Button — Minimalist ────────────────────────── */
.expand-btn {
  all: unset !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 4px !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  color: var(--text-3) !important;
  cursor: pointer !important;
  padding: 4px 0 !important;
  user-select: none !important;
  transition: color var(--t-fast) !important;
}

.expand-btn:hover {
  color: var(--text-1) !important;
}

.expand-btn .icon {
  font-size: 10px !important;
  transition: transform var(--t-base) !important;
}

.expand-btn.expanded {
  color: var(--text-1) !important;
}

.expand-btn.expanded .icon {
  transform: rotate(180deg) !important;
}

/* Remove all category-specific button styles */
.cat-engineering .expand-btn,
.cat-advanced .expand-btn,
.cat-core .expand-btn {
  background: none !important;
  border: none !important;
  color: var(--text-3) !important;
}

.cat-engineering .expand-btn:hover,
.cat-advanced .expand-btn:hover,
.cat-core .expand-btn:hover {
  color: var(--text-1) !important;
  background: none !important;
  border-color: transparent !important;
  box-shadow: none !important;
}

.cat-engineering .expand-btn.expanded,
.cat-advanced .expand-btn.expanded,
.cat-core .expand-btn.expanded {
  background: none !important;
  color: var(--text-1) !important;
  border: none !important;
  box-shadow: none !important;
}

/* Detail panel */
.methodology-detail {
  max-height: 0 !important;
  overflow: hidden !important;
  transition: max-height 0.35s var(--ease), opacity 0.25s var(--ease) !important;
  opacity: 0 !important;
  margin-top: 0 !important;
}

.methodology-detail.show {
  max-height: 400px !important;
  opacity: 1 !important;
  margin-top: 12px !important;
  padding-top: 12px !important;
  border-top: 1px solid var(--border) !important;
}

.methodology-detail p {
  font-size: 13px !important;
  color: var(--text-2) !important;
  line-height: 1.65 !important;
}

/* Coming soon text */
.coming-soon {
  font-size: 12px !important;
  color: var(--text-3) !important;
  font-style: normal !important;
  opacity: 1 !important;
}

/* ─── Buttons ───────────────────────────────────────────── */
a.button, .button {
  background: var(--text-1) !important;
  color: var(--surface) !important;
  border: none !important;
  border-radius: var(--r-sm) !important;
  padding: 10px 24px !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  font-family: var(--font) !important;
  letter-spacing: 0 !important;
  text-transform: none !important;
  box-shadow: none !important;
  background-image: none !important;
  transition: opacity var(--t-fast), transform var(--t-fast) !important;
  display: inline-block !important;
  cursor: pointer !important;
  line-height: 1.5 !important;
}

a.button:hover, .button:hover {
  background: var(--text-1) !important;
  color: var(--surface) !important;
  opacity: 0.85 !important;
  transform: translateY(-1px) !important;
}

.button.large {
  padding: 12px 32px !important;
  font-size: 14px !important;
}

/* Outline button */
.button-outline {
  background: transparent !important;
  color: var(--text-1) !important;
  border: 1px solid var(--border-strong) !important;
}

.button-outline:hover {
  background: var(--surface) !important;
  color: var(--text-1) !important;
  border-color: var(--text-1) !important;
  opacity: 1 !important;
}

/* Remove AI gradient button */
.ai-gradient {
  background: var(--text-1) !important;
  color: var(--surface) !important;
  background-image: none !important;
}

.ai-gradient:hover {
  background: var(--text-1) !important;
  color: var(--surface) !important;
  opacity: 0.85 !important;
}

/* ─── Footer ────────────────────────────────────────────── */
#footer .social-links {
  display: flex !important;
  justify-content: center !important;
  gap: 8px !important;
  margin-bottom: 16px !important;
}

#footer .social-icon {
  width: 36px !important;
  height: 36px !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: var(--r-sm) !important;
  border: 1px solid var(--border) !important;
  background: var(--surface) !important;
  color: var(--text-2) !important;
  transition: border-color var(--t-fast), color var(--t-fast) !important;
}

#footer .social-icon:hover {
  border-color: var(--text-1) !important;
  color: var(--text-1) !important;
}

#footer .social-icon .icon {
  font-size: 14px !important;
  color: inherit !important;
}

#footer .social-icon:hover .icon {
  color: var(--text-1) !important;
}

#copyright {
  display: flex !important;
  justify-content: center !important;
  gap: 16px !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  flex-wrap: wrap !important;
}

#copyright li {
  font-size: 12px !important;
  color: var(--text-3) !important;
  padding: 0 !important;
  border: none !important;
}

#copyright a {
  color: var(--text-3) !important;
}

#copyright a:hover {
  color: var(--text-1) !important;
}

/* ─── Scroll to Top ─────────────────────────────────────── */
#scroll-to-top {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-sm) !important;
  width: 36px !important;
  height: 36px !important;
  line-height: 36px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: none !important;
  opacity: 0.7 !important;
  transition: opacity var(--t-base), border-color var(--t-fast) !important;
  z-index: 100 !important;
}

#scroll-to-top:hover {
  opacity: 1 !important;
  border-color: var(--text-1) !important;
  transform: none !important;
  box-shadow: none !important;
}

#scroll-to-top .icon {
  font-size: 12px !important;
  color: var(--text-2) !important;
  line-height: 1 !important;
}

/* ─── Learning Calendar ─────────────────────────────────── */
.section-header {
  text-align: center !important;
  margin-bottom: 32px !important;
}

.section-header h2 {
  font-size: 24px !important;
  font-weight: 600 !important;
  margin-bottom: 6px !important;
}

.section-header p {
  font-size: 13px !important;
  color: var(--text-3) !important;
}

/* Progress bar */
.learning-progress {
  margin-bottom: 32px !important;
}

.progress-track {
  height: 4px !important;
  background: var(--border) !important;
  border-radius: 100px !important;
  overflow: hidden !important;
}

.progress-fill {
  background: var(--text-1) !important;
  border-radius: 100px !important;
  transition: width 0.5s var(--ease) !important;
}

.progress-text {
  font-size: 12px !important;
  color: var(--text-3) !important;
  margin-top: 8px !important;
  text-align: center !important;
}

.progress-text strong {
  color: var(--text-1) !important;
  font-weight: 600 !important;
}

/* Calendar grid */
.calendar-grid {
  display: flex !important;
  flex-direction: column !important;
  gap: 12px !important;
}

.calendar-week {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-md) !important;
  padding: 16px !important;
  transition: border-color var(--t-base) !important;
}

.calendar-week:hover {
  border-color: var(--border-strong) !important;
}

.calendar-week-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  margin-bottom: 12px !important;
  padding-bottom: 10px !important;
  border-bottom: 1px solid var(--border) !important;
}

.week-range {
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text-1) !important;
}

.week-phase {
  font-size: 11px !important;
  font-weight: 500 !important;
  padding: 2px 8px !important;
  border-radius: 100px !important;
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
}

/* Phase color variants for badge */
.week-phase.phase1 { background: #EEF0FE !important; color: #4F46E5 !important; }
.week-phase.phase2 { background: #E8F7F0 !important; color: #059669 !important; }
.week-phase.phase3 { background: #FEF3E8 !important; color: #D97706 !important; }

.calendar-days {
  display: grid !important;
  grid-template-columns: repeat(7, 1fr) !important;
  gap: 6px !important;
}

/* Day-of-week header row */
.calendar-day-header {
  font-size: 10px !important;
  font-weight: 600 !important;
  color: var(--text-3) !important;
  text-align: center !important;
  padding: 4px 0 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
}

.calendar-day {
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-sm) !important;
  padding: 8px 6px !important;
  min-height: 72px !important;
  cursor: pointer !important;
  transition: border-color var(--t-fast), background var(--t-fast) !important;
  position: relative !important;
  display: flex !important;
  flex-direction: column !important;
}

.calendar-day:hover {
  border-color: var(--border-strong) !important;
  background: var(--surface) !important;
}

.calendar-day.done {
  background: var(--surface) !important;
  border-color: var(--border-strong) !important;
}

.calendar-day.done::after {
  content: "" !important;
  position: absolute !important;
  top: 6px !important;
  right: 6px !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: #059669 !important;
}

.calendar-day.today {
  border-color: var(--accent) !important;
  border-width: 2px !important;
}

.calendar-day.empty {
  background: transparent !important;
  border: none !important;
  min-height: 0 !important;
  padding: 0 !important;
  cursor: default !important;
}

.calendar-day.empty:hover {
  background: transparent !important;
  border: none !important;
}

/* Phase tints on day cells */
.calendar-day.phase1 { border-left: 3px solid #4F46E5 !important; }
.calendar-day.phase2 { border-left: 3px solid #059669 !important; }
.calendar-day.phase3 { border-left: 3px solid #D97706 !important; }

/* Hide emoji badge, use dot indicator instead */
.day-badge {
  display: none !important;
}

.calendar-day .day-num {
  font-size: 10px !important;
  font-weight: 600 !important;
  color: var(--text-3) !important;
  margin-bottom: 2px !important;
}

.calendar-day.done .day-num {
  color: var(--text-1) !important;
}

.calendar-day .day-date {
  font-size: 9px !important;
  color: var(--text-3) !important;
  margin-bottom: 4px !important;
}

.calendar-day .day-topic {
  font-size: 10px !important;
  color: var(--text-2) !important;
  line-height: 1.3 !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
}

.calendar-day.done .day-topic {
  color: var(--text-1) !important;
  font-weight: 500 !important;
}

/* ─── Modal ─────────────────────────────────────────────── */
.modal-overlay {
  background: rgba(44, 44, 42, 0.4) !important;
  backdrop-filter: blur(4px) !important;
  -webkit-backdrop-filter: blur(4px) !important;
  z-index: 10000 !important;
}

.modal-overlay.hidden {
  display: none !important;
}

.modal-content {
  background: var(--surface) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-lg) !important;
  max-width: 720px !important;
  width: 90% !important;
  max-height: 85vh !important;
  box-shadow: 0 20px 60px rgba(0,0,0,0.08) !important;
  overflow: hidden !important;
}

.modal-header {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  padding: 20px 24px !important;
  border-bottom: 1px solid var(--border) !important;
}

.modal-header h2 {
  font-size: 16px !important;
  font-weight: 600 !important;
  margin: 0 !important;
}

.modal-close {
  background: none !important;
  border: none !important;
  font-size: 20px !important;
  color: var(--text-3) !important;
  cursor: pointer !important;
  padding: 4px 8px !important;
  border-radius: var(--r-sm) !important;
  line-height: 1 !important;
  transition: color var(--t-fast), background var(--t-fast) !important;
  background-image: none !important;
  box-shadow: none !important;
  width: auto !important;
  height: auto !important;
  max-width: none !important;
}

.modal-close:hover {
  color: var(--text-1) !important;
  background: var(--bg) !important;
}

.modal-body {
  padding: 24px !important;
  overflow-y: auto !important;
  max-height: calc(85vh - 60px) !important;
}

.modal-body h1,
.modal-body h2,
.modal-body h3 {
  font-size: 16px !important;
  font-weight: 600 !important;
  margin: 16px 0 8px !important;
  color: var(--text-1) !important;
}

.modal-body p {
  font-size: 13px !important;
  color: var(--text-2) !important;
  line-height: 1.7 !important;
  margin-bottom: 12px !important;
}

.modal-body code {
  font-family: var(--font-mono) !important;
  font-size: 12px !important;
  background: var(--bg) !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  border: 1px solid var(--border) !important;
  color: var(--text-1) !important;
}

.modal-body pre {
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--r-sm) !important;
  padding: 14px !important;
  overflow-x: auto !important;
  margin-bottom: 12px !important;
}

.modal-body pre code {
  background: none !important;
  border: none !important;
  padding: 0 !important;
}

.modal-body ul, .modal-body ol {
  margin: 8px 0 12px 20px !important;
}

.modal-body li {
  font-size: 13px !important;
  color: var(--text-2) !important;
  margin-bottom: 4px !important;
  line-height: 1.6 !important;
}

.modal-body strong {
  color: var(--text-1) !important;
  font-weight: 600 !important;
}

.tutorial-loading {
  text-align: center !important;
  padding: 32px !important;
  color: var(--text-3) !important;
  font-size: 13px !important;
}

/* ─── Toast ─────────────────────────────────────────────── */
#toast-container {
  position: fixed !important;
  bottom: 24px !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  z-index: 10001 !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 8px !important;
  align-items: center !important;
}

.toast {
  background: var(--text-1) !important;
  color: var(--surface) !important;
  padding: 10px 20px !important;
  border-radius: var(--r-sm) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12) !important;
  animation: toast-in 0.3s var(--ease) !important;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Typing Cursor ─────────────────────────────────────── */
.typing-title .cursor {
  display: inline-block !important;
  width: 2px !important;
  height: 24px !important;
  background: var(--text-1) !important;
  margin-left: 2px !important;
  vertical-align: middle !important;
  animation: blink 1s step-end infinite !important;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ─── Back Button (sub-pages) ───────────────────────────── */
.wrapper > .container > footer {
  text-align: center !important;
  margin-top: 40px !important;
}

/* ─── Responsive ────────────────────────────────────────── */
@media screen and (max-width: 980px) {
  .entry-cards {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
}

@media screen and (max-width: 736px) {
  .wrapper {
    padding: 40px 0 !important;
  }

  .wrapper.style1 {
    padding-top: 60px !important;
  }

  .wrapper > .container > header {
    margin-bottom: 32px !important;
  }

  .typing-title {
    font-size: 22px !important;
  }

  .intro-text {
    font-size: 14px !important;
  }

  .entry-cards {
    grid-template-columns: 1fr !important;
    margin-top: 40px !important;
  }

  .calendar-days {
    grid-template-columns: repeat(7, 1fr) !important;
    gap: 3px !important;
  }

  .calendar-day {
    min-height: 56px !important;
    padding: 4px 3px !important;
  }

  .calendar-day .day-topic {
    font-size: 9px !important;
    -webkit-line-clamp: 1 !important;
  }

  .calendar-day .day-num {
    font-size: 9px !important;
  }

  .calendar-day .day-date {
    display: none !important;
  }

  #nav ul {
    padding: 0 12px !important;
    gap: 0 !important;
  }

  #nav a {
    padding: 0 8px !important;
    font-size: 12px !important;
  }

  #copyright {
    flex-direction: column !important;
    gap: 4px !important;
    text-align: center !important;
  }
}

/* ─── Reduced Motion ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}