:root {
  --bg-paper: #fdfbf7;
  --text-ink: #2d2d2d;
  --accent-red: #ff4d4d;
  --accent-blue: #2d5da1;
  --muted-pencil: #e5e0d8;
  --card-bg: #ffffff;
  --sticky-note: #fff9c4;
  --kraft-paper: #EAD7BB;
  
  /* Washi Tape Colors */
  --tape-pink: #E9B3B3;
  --tape-blue: #B3CCE9;
  --tape-green: #C4E9B3;
  --tape-orange: #FFDAB9;

  --font-brush: "Ma Shan Zheng", cursive;
  --font-hand: "Zhi Mang Xing", cursive;
  --font-body: "Noto Sans SC", sans-serif;

  --max-width: 1100px;
}

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

body {
  background-color: var(--bg-paper);
  background-image: radial-gradient(#e5e0d8 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-ink);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
  padding-bottom: 2rem;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-brush);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

/* Layout Primitives */
.shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 4rem 0;
}

/* Design Elements */
.hand-drawn-border {
  border: 3px solid var(--text-ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
}

.hand-drawn-border-alt {
  border: 3px solid var(--text-ink);
  border-radius: 15px 225px 15px 255px / 255px 15px 225px 15px;
}

.hard-shadow { box-shadow: 6px 6px 0px 0px var(--text-ink); }
.hard-shadow-sm { box-shadow: 4px 4px 0px 0px rgba(45,45,45,0.15); }
.hard-shadow-hover:hover { 
  box-shadow: 8px 8px 0px 0px var(--text-ink); 
  transform: translate(-2px, -2px); 
}

.marker-underline {
  position: relative;
  z-index: 1;
  display: inline;
}
.marker-underline::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: -2px;
  right: -2px;
  height: 8px;
  background: rgba(255, 77, 77, 0.3);
  z-index: -1;
  transform: rotate(-1deg);
  border-radius: 20% 80% 20% 80% / 80% 20% 80% 20%;
}

/* Decorations */
.washi-tape {
  position: relative;
  display: inline-block;
  padding: 0.2rem 1rem;
  background: var(--tape-pink);
  opacity: 0.9;
  z-index: 1;
}

.washi-tape::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -5px;
  right: -5px;
  background: linear-gradient(90deg, transparent 2px, rgba(255,255,255,0.2) 2px);
  background-size: 4px 100%;
  pointer-events: none;
}

.tape-strip {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 80px;
  height: 24px;
  background: rgba(200, 200, 200, 0.4);
  border: 1px solid rgba(0,0,0,0.05);
  z-index: 10;
  margin: 0;
}

.thumbtack {
  width: 12px;
  height: 12px;
  background: var(--accent-red);
  border-radius: 50%;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 1px 1px 2px rgba(0,0,0,0.2);
  z-index: 10;
}

.squiggle-underline {
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='10' viewBox='0 0 100 10' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 5 Q 12.5 0, 25 5 T 50 5 T 75 5 T 100 5' stroke='%23ff4d4d' fill='transparent' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: bottom;
  padding-bottom: 5px;
}

.tilt-left { transform: rotate(-1.5deg); }
.tilt-right { transform: rotate(1.5deg); }
.tilt-slight { transform: rotate(0.5deg); }

/* Buttons */
.button, .button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.8rem;
  font-family: var(--font-brush);
  font-size: 1.2rem;
  border: 3px solid var(--text-ink);
  background: var(--card-bg);
  cursor: pointer;
  box-shadow: 5px 5px 0px 0px var(--text-ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  transition: all 0.1s;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.button {
  background: var(--accent-red);
  color: white;
}

.button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px 0px var(--text-ink);
}

.button:active {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px 0px var(--text-ink);
}

.button-secondary {
  background: var(--sticky-note);
  color: var(--text-ink);
}

.button-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px 0px var(--text-ink);
  background: #fff3a0;
}

/* Header */
.site-header {
  padding: 2rem 0;
  border-bottom: 2px solid #2d2d2d;
  margin-bottom: 4rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  text-align: left;
  margin-bottom: 0;
  position: relative;
  display: inline-block;
}

.brand__mark {
  font-family: var(--font-brush);
  font-size: 2.5rem;
  color: var(--text-ink);
  display: inline;
}

.brand__underline {
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent-red);
  opacity: 0.5;
  border-radius: 2px;
  transform: rotate(-1deg);
}

.site-nav {
  display: flex;
  gap: 2.5rem;
}

.site-nav__link {
  font-family: var(--font-brush);
  font-size: 1.2rem;
  padding: 0;
  background: none !important;
  transform: none !important;
}

.site-nav__link:hover {
  color: var(--accent-red);
  transform: none !important;
}

.header-cta {
  font-family: var(--font-brush);
  font-size: 1.1rem;
  padding: 0.5rem 1.5rem;
  background: var(--accent-red);
  color: white;
  border: 3px solid var(--text-ink);
  box-shadow: 4px 4px 0px 0px var(--text-ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  cursor: pointer;
  transition: all 0.1s;
}

.header-cta:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px 0px var(--text-ink);
  color: white;
}

/* Homepage Hero */
.home-hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  margin-bottom: 5rem;
  padding: 0;
  align-items: start;
}

.hero-copy {
  background: var(--card-bg);
  padding: 2.5rem;
  position: relative;
}

.hero-note {
  background: var(--sticky-note);
  padding: 2rem;
  position: relative;
}

.hero-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.hero-signals span {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  border-bottom: 1px dashed var(--text-ink);
}

/* Grids */
.post-grid, .scenario-grid, .tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

/* Cards */
.article-card, .scenario-card, .tool-card, .guide-card, .page-panel {
  background: var(--card-bg);
  padding: 1.5rem;
  position: relative;
}

.page-intro {
  padding-top: 0;
  padding-bottom: 0;
}
.page-intro .page-panel {
  padding: 2.5rem;
}

.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-brush);
  color: var(--accent-red);
  font-size: 1.1rem;
  transition: transform 0.1s;
}
.card-link:hover {
  transform: translateX(4px);
  color: var(--accent-red);
}

.article-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.category-stamp {
  display: inline-block;
  font-family: var(--font-hand);
  border: 2px solid var(--accent-blue);
  color: var(--accent-blue);
  padding: 0 0.5rem;
  transform: rotate(-10deg);
  margin-bottom: 1rem;
}

.scenario-card {
  background: var(--sticky-note) !important;
}

/* Article Page */
.article-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3rem;
}

.article-content {
  background: var(--card-bg);
  padding: 3rem;
}

.prose h2 {
  border-bottom: 2px dashed var(--muted-pencil);
  padding-bottom: 0.5rem;
  margin-top: 2.5rem;
}

.prose a {
  color: var(--accent-red);
  text-decoration: underline;
  text-decoration-style: dashed;
  text-underline-offset: 3px;
}
.prose a:hover {
  color: var(--text-ink);
}
.prose ul, .prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  border-left: 4px solid var(--accent-red);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: #555;
}

.article-sidebar {
  position: sticky;
  top: 6rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.sidebar-box {
  background: var(--card-bg);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.about-grid-2col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.guide-card {
  background: var(--card-bg);
}
.tool-card {
  background: var(--card-bg);
}

/* Footer */
.site-footer {
  border-top: 2px dashed var(--text-ink);
  margin-top: 6rem;
  padding: 3rem 0;
  text-align: center;
  background: transparent;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-nav a {
  font-family: var(--font-brush);
  font-size: 1.1rem;
}

.decorative-line {
  height: 2px;
  background-image: linear-gradient(90deg, var(--text-ink) 50%, transparent 50%);
  background-size: 10px 100%;
  margin: 2rem 0;
}

/* Divider */
.dashed-divider {
  border-top: 2px dashed var(--text-ink);
  margin: 5rem 0;
  position: relative;
  text-align: center;
}

.dashed-divider::after {
  content: "♥ ★ ♥";
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-paper);
  padding: 0 1rem;
  color: var(--accent-red);
}

/* Responsive */
@media (max-width: 900px) {
  .home-hero, .article-layout, .post-grid, .scenario-grid, .tool-grid, .footer-grid, .about-grid-2col {
    grid-template-columns: 1fr;
  }
  
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .site-nav {
    gap: 1.5rem;
  }
  .header-cta {
    display: none;
  }

  .tilt-left, .tilt-right, .tilt-slight {
    transform: none;
  }
  
  h1 { font-size: 2.5rem; }
  .brand__mark { font-size: 2.5rem; }
}