@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

* {
  box-sizing: border-box;
}

:root {
  --bg: #f2ede3;
  --paper: #fbf7ef;
  --paper-2: #f4ecdd;
  --sidebar: #e9dfce;
  --ink: #1d2a36;
  --muted: #5f6770;
  --line: #d7cab2;
  --accent: #274764;
  --accent-2: #8d6d42;
  --shadow: rgba(30, 35, 40, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.45), transparent 28%),
    linear-gradient(180deg, #f6f1e7 0%, var(--bg) 100%);
  color: var(--ink);
  font-family: "Inter", sans-serif;
  min-height: 100vh;
}

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background:
    linear-gradient(180deg, #ece2d1 0%, var(--sidebar) 100%);
  border-right: 1px solid var(--line);
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand-block {
  padding-bottom: 20px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--accent);
  line-height: 1;
}

.brand-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-link {
  text-decoration: none;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 15px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background: rgba(39, 71, 100, 0.06);
  color: var(--accent);
}

.nav-link.active {
  background: rgba(39, 71, 100, 0.10);
  color: var(--accent);
  font-weight: 600;
}

.main-content {
  padding: 32px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 10px 24px var(--shadow);
}

.hero {
  padding: 28px;
  margin-bottom: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.35), rgba(255,255,255,0)),
    var(--paper);
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: var(--accent-2);
  font-weight: 600;
}

.hero h2 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 44px;
  line-height: 1.05;
  color: var(--ink);
}

.hero-text {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  max-width: 760px;
}

.archive-section {
  margin-bottom: 24px;
  padding: 24px;
}

.archive-header {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.archive-title-wrap h3 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 34px;
  color: var(--ink);
}

.archive-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.folder-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(39, 71, 100, 0.04);
  white-space: nowrap;
}

.folder-link:hover {
  background: rgba(39, 71, 100, 0.08);
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.model-card {
  background: linear-gradient(180deg, #fffdf9 0%, #f9f4ea 100%);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.model-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(30, 35, 40, 0.10);
  border-color: #ccb998;
}

.model-card h4 {
  margin: 0 0 8px;
  font-family: "Cormorant Garamond", serif;
  font-size: 28px;
  line-height: 1.1;
  color: var(--ink);
}

.model-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.model-footer {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.download-link {
  display: inline-block;
  text-decoration: none;
  color: #fff;
  background: var(--accent);
  border: 1px solid var(--accent);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}

.download-link:hover {
  background: #1f3a52;
  border-color: #1f3a52;
}

.note-tag {
  font-size: 12px;
  color: var(--accent-2);
  font-weight: 600;
}

.empty {
  margin: 0;
  color: var(--muted);
  font-style: italic;
}

#content:empty::before {
  content: "Loading archive records...";
  display: block;
  color: var(--muted);
  font-size: 15px;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .main-content {
    padding: 20px;
  }

  .hero h2 {
    font-size: 34px;
  }

  .archive-title-wrap h3 {
    font-size: 28px;
  }
}

@media (max-width: 640px) {
  .main-content {
    padding: 16px;
  }

  .hero {
    padding: 20px;
  }

  .archive-section {
    padding: 18px;
  }

  .brand {
    font-size: 34px;
  }

  .hero h2 {
    font-size: 30px;
  }

  .model-card h4 {
    font-size: 24px;
  }
}

.disclaimer-card h3 {
  margin: 0 0 12px;
  font-family: "Cormorant Garamond", serif;
  font-size: 30px;
  color: var(--accent);
}

.disclaimer-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.disclaimer-card p:last-child {
  margin-bottom: 0;
}

.sidebar-search {
  margin-bottom: 18px;
}

.sidebar-search input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fffdf8;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  outline: none;
}

.sidebar-search input::placeholder {
  color: var(--muted);
}

.sidebar-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(39, 71, 100, 0.08);
}