@import url('https://fonts.googleapis.com/css2?family=DotGothic16&family=Zen+Maru+Gothic:wght@400;700&display=swap');

/* =========================================
   HEISEI DIGITAL DIARY (COOL-CUTE VER.)
   ========================================= */

:root {
  --canvas: #FFFDF5; /* Cream */
  --bar-bg: #FFFFA0; /* Pale Lemon Yellow */
  --accent-pink: #FF85A2; /* Pastel Strawberry */
  --accent-cool: #89CFF0; /* Baby Blue */
  --text-main: #4A4A4A; /* Soft Black */
  --white: #ffffff;
  --black: #000000;
  
  --font-header: 'DotGothic16', 'Zen Maru Gothic', sans-serif;
  --font-body: 'Verdana', 'Tahoma', sans-serif;
  --font-code: 'Courier New', monospace;
}

[data-theme="dark"] {
  --canvas: #222436; /* Moonlight Dark */
  --bar-bg: #2F324D; /* Deep Moonlight */
  --accent-pink: #FF9EB5; /* Soft Pink */
  --accent-cool: #A4D8F0; /* Soft Blue */
  --text-main: #E0E6ED; /* Moonlight Silver */
  --white: #2A2C3C; /* Dark Card Bg */
  --black: #ffffff; /* Inverse Black */
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--canvas);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* =========================================
   LAYOUT ARCHITECTURE
   ========================================= */

/* The main grid wrapper */
.site-wrapper {
  display: grid;
  grid-template-columns: 250px 1fr; /* Fixed Sidebar | Fluid Content */
  grid-template-rows: auto 1fr auto; /* Header | Main | Footer */
  grid-template-areas: 
    "sidebar header"
    "sidebar main"
    "footer footer";
  min-height: 100vh;
  align-items: stretch; /* Stretch items to full row height */
}

/* Sidebar (Left) */
.sidebar-container {
  grid-area: sidebar;
  background-color: var(--canvas);
  border-right: 1px dotted var(--accent-pink);
  padding: 20px;
  position: sticky; /* Or fixed logic if strictly requested, but sticky is better for scrolling sidebars */
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
  
  /* Cute Scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--accent-pink) var(--bar-bg);
}

.sidebar-container::-webkit-scrollbar {
  width: 8px;
}

.sidebar-container::-webkit-scrollbar-track {
  background: var(--bar-bg);
  border-radius: 10px;
}

.sidebar-container::-webkit-scrollbar-thumb {
  background-color: var(--accent-pink);
  border-radius: 10px;
  border: 2px solid var(--bar-bg);
}

.sidebar-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-cool);
}


.header-area {
  grid-area: header;
  align-self: start; /* Don't stretch or center vertically */
}

/* Header styling moved here for consistency */
.site-header {
  padding: 40px 20px;
  background: repeating-linear-gradient(45deg, var(--canvas), var(--canvas) 10px, var(--white) 10px, var(--white) 20px);
  border-bottom: 1px dotted var(--accent-pink);
  position: relative;
  overflow: hidden;
}

.site-header h1,
.site-header p {
  position: relative;
  z-index: 2;
}

.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  height: 90%;
  aspect-ratio: 3 / 1;
  background-image: url('../images/banner.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  z-index: 1;
  pointer-events: none;
}


/* Main Content Area */
.main-content {
  grid-area: main;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 30px;
  min-width: 0; /* Prevent grid blowout */
  width: 100%;
  align-self: start; /* Don't stretch or center vertically */
}

/* Mobile Layout */
@media (max-width: 768px) {
  .site-wrapper {
    grid-template-columns: 1fr;
    grid-template-areas: none;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }
  .header-area { order: 1; align-self: stretch; }
  
  /* Split Sidebar Logic */
  .sidebar-container {
    display: contents; /* Removes the wrapper box, children become flex items of .site-wrapper */
  }
  
  .sidebar-nav {
    order: 2;
    background-color: var(--canvas);
    border-bottom: 1px dotted var(--accent-pink);
    padding: 20px;
  }
  
  .main-content { order: 3; flex-grow: 1; align-self: stretch; }
  
  .sidebar-widgets {
    order: 4;
    background-color: var(--canvas);
    border-top: 1px dotted var(--accent-pink);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .site-footer { order: 5; }
}

/* =========================================
   TYPOGRAPHY & DECORATIONS
   ========================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: normal;
  margin: 0;
}

a {
  color: var(--accent-cool);
  text-decoration: none;
  border-bottom: 1px dashed var(--accent-cool);
}

a:hover {
  background-color: var(--accent-pink);
  color: var(--white);
  border-bottom: none;
}

/* =========================================
   GRAPHIC COMPONENTS
   ========================================= */

/* Full-width Yellow Bars */
.section-bar {
  background-color: var(--bar-bg);
  width: 100%;
  padding: 5px 15px;
  border-top: 1px dotted var(--accent-pink);
  border-bottom: 1px dotted var(--accent-pink);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
}

.section-title {
  font-family: var(--font-header);
  font-size: 18px;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Pixel Icon placeholder (using emoji or pseudo-element) */
.pixel-icon::before {
  content: '★'; /* Placeholder for 16px pixel art */
  color: var(--accent-pink);
  font-size: 16px;
}

/* "Paper Sheet" / "Window" Content Blocks */
.content-block {
  padding: 2rem;
  width: 100%;
  background-color: var(--white);
  border: 1px dotted var(--accent-pink);
}

/* Buttons (Outset 3D Pastel) */
.btn-retro {
  display: inline-block;
  background-color: var(--canvas);
  border: 2px outset var(--accent-pink);
  padding: 5px 10px;
  font-family: var(--font-header);
  color: var(--text-main);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.1s;
}

.btn-retro:active {
  border-style: inset;
}

.btn-retro:hover {
  background-color: var(--accent-pink);
  color: var(--white);
}

/* Marquee */
.marquee-wrapper {
  background-color: var(--accent-cool);
  color: var(--white);
  padding: 5px;
  border-bottom: 1px dotted var(--accent-pink);
  font-family: var(--font-header);
  font-size: 14px;
}

/* Profile Section in Sidebar */
.profile-card {
  text-align: center;
  border: 1px dotted var(--accent-pink);
  padding: 10px;
  background: var(--white);
}

.profile-pic {
  width: 100px;
  height: 100px;
  background-color: var(--bar-bg);
  margin: 0 auto 10px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dotted var(--accent-pink);
  font-family: var(--font-header);
}

/* Navigation Links */
.nav-links {
  list-style: none;
  padding: 0;
}

.nav-links li {
  margin-bottom: 8px;
}

.nav-links a {
  display: block;
  padding: 5px;
  border-left: 3px solid transparent;
}

.nav-links a:hover {
  border-left: 3px solid var(--accent-pink);
  background-color: var(--bar-bg);
  color: var(--text-main);
}

/* Footer */
.site-footer {
  grid-area: footer;
  background-color: var(--text-main);
  color: var(--white);
  padding: 20px;
  text-align: center;
  font-family: var(--font-code);
  font-size: 12px;
  margin: 0;
  width: 100%;
}

/* Blog Post Specifics */
.post-header {
  margin-bottom: 20px;
}

.post-meta {
  font-family: var(--font-code);
  font-size: 12px;
  color: #888;
}

.post-content h2 {
  background-color: var(--bar-bg);
  padding: 5px 10px;
  border-left: 5px solid var(--accent-pink);
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 20px;
}

.post-content p {
  margin-bottom: 15px;
}

/* =========================================
   CODE BLOCKS (CONCRETE STYLE)
   ========================================= */

pre, code {
  font-family: var(--font-code);
  font-size: 14px;
}

/* Inline code - Neutral, high contrast */
p code, li code, span code, :not(pre) > code {
  background-color: #f0f0f0; /* Very light neutral gray */
  color: #d63384; 
  padding: 2px 4px;
  border-radius: 4px;
  border: 1px solid #ddd;
}

/* Block code */
div.highlighter-rouge, figure.highlight {
  background-color: transparent; /* Remove any wrapper background */
  margin-bottom: 20px;
}

pre {
  background-color: #2b2b2b; /* Dark Concrete/Charcoal */
  color: #e0e0e0; /* Light Gray text */
  border: 2px solid var(--text-main);
  border-radius: 0; 
  padding: 35px 15px 15px 15px; 
  overflow-x: auto;
  box-shadow: 4px 4px 0 rgba(0,0,0,0.1);
  position: relative;
}

pre::before {
  content: "SOURCE CODE";
  display: block;
  background: var(--accent-pink); /* Use accent pink for the tag */
  color: #fff;
  font-family: var(--font-header);
  font-size: 10px;
  padding: 2px 8px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
}

pre code {
  background-color: transparent !important;
  color: inherit !important;
  padding: 0;
  border: none;
}

/* Dark mode adjustments for code */
[data-theme="dark"] pre {
  background-color: #1a1b26; /* Deeper dark */
  border-color: var(--accent-cool);
}
[data-theme="dark"] p code, 
[data-theme="dark"] li code, 
[data-theme="dark"] span code,
[data-theme="dark"] :not(pre) > code {
  background-color: #2a2c3c;
  border-color: #444;
  color: #ff9eb5;
}

/* =========================================
   HOMEPAGE PROJECT CARD (Distinct Style)
   ========================================= */
.project-card-home {
  background-color: #e6f7ff; /* Very Light Blue Sheet */
  border: 1px dashed var(--accent-cool);
  padding: 15px;
  margin-bottom: 20px;
  position: relative;
}

.project-card-home::after {
  content: "";
  display: block;
  height: 5px;
  background: repeating-linear-gradient(
    45deg,
    var(--accent-cool),
    var(--accent-cool) 5px,
    transparent 5px,
    transparent 10px
  );
  margin-top: 10px;
}

[data-theme="dark"] .project-card-home {
  background-color: #1a2634; /* Dark Blue Sheet */
  border-color: var(--accent-cool);
}

/* =========================================
   HOMEPAGE POST CARD (Yellowish Style)
   ========================================= */
.post-card-home {
  background-color: #fffff0; /* Very Light Yellow (Ivory) */
  border: 1px dashed var(--accent-pink);
  padding: 15px;
  margin-bottom: 20px;
  position: relative;
}

.post-card-home::after {
  content: "";
  display: block;
  height: 5px;
  background: repeating-linear-gradient(
    45deg,
    var(--accent-pink),
    var(--accent-pink) 5px,
    transparent 5px,
    transparent 10px
  );
  margin-top: 10px;
}

[data-theme="dark"] .post-card-home {
  background-color: #2f2a2d; /* Darkish Warm Grey */
  border-color: var(--accent-pink);
}