/* ##################################################
################## FOUNDATION #######################
################################################## */

:root,
[data-theme="dark"] {
  color-scheme: dark;
  --color-bg: #0e0d0b;
  --color-surface: #161412;
  --color-surface-2: #252324;
  --color-text: #f7f5f2;
  --color-text-muted: #b5afa8;
  --color-text-soft: rgba(247, 245, 242, 0.72);
  --color-primary: #c9a84c;
  --color-primary-hover: #a88a3b;
  --color-primary-soft: rgba(201, 168, 76, 0.18);
  --color-accent: #f7f5f2;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(201, 168, 76, 0.4);
  --color-page-gradient: linear-gradient(180deg, rgba(18, 16, 15, 1), rgba(13, 12, 11, 1));
  --color-hero-accent: radial-gradient(circle at top right, rgba(201, 168, 76, 0.16), transparent 42%);
  --shadow-card: 0 18px 48px rgba(0, 0, 0, 0.34);
}

[data-theme="light"] {
  color-scheme: light;
  --color-bg: #f7f3ee;
  --color-surface: #ffffff;
  --color-surface-2: #efe8de;
  --color-text: #171310;
  --color-text-muted: #5d554c;
  --color-text-soft: rgba(23, 19, 16, 0.68);
  --color-primary: #8a6d1f;
  --color-primary-hover: #6a5418;
  --color-primary-soft: rgba(138, 109, 31, 0.12);
  --color-accent: #171310;
  --color-border: rgba(17, 17, 17, 0.08);
  --color-border-strong: rgba(138, 109, 31, 0.32);
  --color-page-gradient: linear-gradient(180deg, rgba(246, 243, 239, 1), rgba(255, 255, 255, 1));
  --color-hero-accent: radial-gradient(circle at top right, rgba(138, 109, 31, 0.10), transparent 38%);
  --shadow-card: 0 16px 42px rgba(26, 18, 9, 0.1);
}

:root {
  --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-display: 'Arial Black', 'Segoe UI', sans-serif;
  --fs-body: clamp(0.96rem, 0.93rem + 0.14vw, 1rem);
  --fs-copy: clamp(0.9rem, 0.87rem + 0.12vw, 0.96rem);
  --fs-label: clamp(0.68rem, 0.66rem + 0.08vw, 0.74rem);
  --radius-card: 16px;
  --nav-height: 64px;
}

/* ==================================================
===================== GLOBAL ELEMENTS ===============
================================================== */
html {
  scroll-behavior: smooth;
  min-height: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
  background-color: var(--color-bg);
  background-image: var(--color-page-gradient);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.5;
  transition: background-color 0.55s ease, color 0.55s ease, border-color 0.55s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--color-text);
  margin-top: 0;
}

h1, .hero-title, h2.section-title {
  font-family: var(--font-display);
  letter-spacing: 0.015em;
  text-transform: uppercase;
}

p {
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: var(--fs-copy);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-hover);
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.eyebrow {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0;
}

/* ==================================================
======================= NAV BAR =====================
================================================== */
.site-bar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1rem;
  color: var(--color-text);
}

.site-brand:hover {
  color: var(--color-text);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--color-border-strong);
  color: var(--color-primary);
}

.theme-toggle-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* ==================================================
========================= HERO ======================
================================================== */
.site-main {
  flex: 1;
}

.hero {
  position: relative;
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--color-hero-accent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
}

.hero-copy {
  max-width: 720px;
}

.hero-title {
  font-size: clamp(2.25rem, 1.5rem + 3.5vw, 4rem);
  line-height: 1.05;
  margin: 0 0 1rem;
}

.hero-lead {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
  color: var(--color-text-soft);
  max-width: 60ch;
}

.hero-meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.hero-meta strong {
  color: var(--color-primary);
  font-weight: 600;
}

.hero-actions {
  margin-top: 1.6rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-bg);
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--color-primary);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

/* ==================================================
====================== ALBUM GRID ===================
================================================== */
.albums {
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(4rem, 8vw, 6rem);
}

.section-title {
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.5rem);
  margin: 0 0 1.5rem;
  letter-spacing: 0.08em;
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
}

.album-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.album-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.album-card-cover {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-surface-2);
  display: block;
}

.album-card-cover-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-2);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.06em;
}

.album-card-body {
  padding: 1rem 1.1rem 1.15rem;
}

.album-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin: 0 0 0.35rem;
}

.album-card-meta {
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin: 0;
}

/* ==================================================
======================== ALBUM PAGE =================
================================================== */
.hero-compact {
  padding: clamp(2rem, 4vw, 3.25rem) 0 clamp(1.5rem, 3vw, 2.25rem);
}

.hero-compact .hero-title {
  font-size: clamp(1.75rem, 1.2rem + 2.5vw, 2.75rem);
}

.thumbs-section {
  padding-bottom: clamp(3rem, 6vw, 5rem);
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 6px;
}

.thumb-grid a {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 6px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, transform 0.2s ease;
  /* Skip rendering off-screen cells (1,000 per album page); the browser
     remembers each cell's real size after first paint. */
  content-visibility: auto;
  contain-intrinsic-size: auto 180px;
}

.thumb-grid a:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}

.thumb-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, opacity 0.4s ease;
  opacity: 0.95;
}

.thumb-grid a:hover img {
  transform: scale(1.04);
  opacity: 1;
}

.album-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.album-nav-prev,
.album-nav-next {
  flex: 1;
  min-width: 0;
}

.album-nav-next {
  text-align: right;
}

.album-nav-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding: 0.6rem 0;
  transition: color 0.2s ease;
}

.album-nav-link:hover {
  color: var(--color-primary);
}

/* ==================================================
==================== BROWSE / SEARCH ================
================================================== */
.search-controls {
  margin-top: 1.5rem;
}

.search-input {
  width: 100%;
  max-width: 460px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
}

/* big hero search on the landing page */
.search-hero { margin-top: 1.75rem; }

.search-input-lg {
  max-width: 620px;
  padding: 1rem 1.4rem;
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.2rem);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
}

.search-input-lg:focus {
  border-color: var(--color-primary);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-border-strong);
}

.filters {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 1.1rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.filter-label {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  width: 72px;
  flex-shrink: 0;
}

.chip {
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.chip:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.chip.on {
  background: var(--color-primary-soft);
  border-color: var(--color-border-strong);
  color: var(--color-primary);
}

.chip-count {
  opacity: 0.5;
  font-size: 0.88em;
  margin-left: 0.15em;
}

/* ---- lightbox ---- */
body.lb-open-body { overflow: hidden; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 7, 6, 0.92);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.lightbox[hidden] { display: none; }

.lb-figure {
  margin: 0;
  max-width: 92vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.lb-img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.6);
}

.lb-cap {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.lb-actions {
  display: inline-flex;
  gap: 0.6rem;
  align-items: center;
}

.lb-similar,
.lb-open {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.lb-similar:hover,
.lb-open:hover { background: var(--color-primary-soft); }

.lb-close,
.lb-nav {
  position: fixed;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}

.lb-close:hover,
.lb-nav:hover { background: var(--color-primary-soft); color: var(--color-primary); }

.lb-close {
  top: 1rem;
  right: 1rem;
  width: 44px;
  height: 44px;
  font-size: 1.1rem;
}

.lb-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  font-size: 2rem;
  line-height: 1;
}

.lb-nav[hidden] { display: none; }
.lb-prev { left: 1rem; }
.lb-next { right: 1rem; }

@media (max-width: 540px) {
  .lb-nav { width: 42px; height: 42px; font-size: 1.5rem; }
  .lb-close { top: 0.6rem; right: 0.6rem; }
}

.result-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.control-row {
  gap: 0.9rem;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  cursor: pointer;
}

.toggle input {
  accent-color: var(--color-primary);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.btn-surprise {
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-surprise:hover {
  background: var(--color-primary-soft);
}

.similar-banner {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.similar-banner button {
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: var(--color-primary);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

/* result cell needs positioning for the overlay button */
.thumb-grid a.thumb {
  position: relative;
}

.similar-btn {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: color-mix(in srgb, var(--color-bg) 70%, transparent);
  color: var(--color-primary);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease, background 0.15s ease;
}

.thumb-grid a.thumb:hover .similar-btn,
.similar-btn:focus {
  opacity: 1;
}

.similar-btn:hover {
  background: var(--color-primary-soft);
}

.load-more {
  display: block;
  margin: 2rem auto 0;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.load-more:hover {
  color: var(--color-primary);
}

.site-nav-link {
  font-family: var(--font-display);
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-right: 1rem;
}

.site-nav-link:hover {
  color: var(--color-primary);
}

.site-bar-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* ==================================================
======================= MANUALS =====================
================================================== */
.manuals-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.manuals-list a {
  display: block;
  padding: 0.95rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  color: var(--color-text);
  transition: border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.manuals-list a:hover {
  border-color: var(--color-border-strong);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.manuals-list .meta {
  display: block;
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-top: 0.2rem;
}

/* ==================================================
======================= SOCIALS =====================
================================================== */
.socials {
  list-style: none;
  margin: 0;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.social-link:hover {
  border-color: var(--color-border-strong);
  background: var(--color-primary-soft);
  transform: translateY(-1px);
}

.social-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

[data-theme="dark"] .social-icon {
  filter: invert(94%) sepia(7%) saturate(180%) hue-rotate(7deg) brightness(98%) contrast(93%);
}

[data-theme="light"] .social-icon {
  filter: invert(8%) sepia(7%) saturate(900%) hue-rotate(2deg) brightness(80%) contrast(92%);
}

/* ==================================================
======================= FOOTER ======================
================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  background: var(--color-surface);
}

.site-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-soft);
}

.site-footer-name {
  font-family: var(--font-display);
  color: var(--color-text);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.site-footer-name:hover {
  color: var(--color-primary);
}

/* ==================================================
======================= MOBILE ======================
================================================== */
@media (max-width: 540px) {
  .site-footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  .theme-toggle-label {
    display: none;
  }
  .theme-toggle {
    padding: 0.4rem 0.55rem;
  }
  .hero-meta {
    gap: 0.75rem;
  }
}