/* Category navigation — Brutalist / AXIS
   Same UX as category-nav, industrial register aesthetic */

:root {
  --ember: #e94e1b;
  --ember-soft: rgba(233, 78, 27, 0.1);

  --black: #0c0c0c;
  --white: #f5f5f0;
  --gray: #6b6b66;
  --gray-line: #2a2a28;
  --accent: #d4ff00;
  --accent-dim: #b8e000;

  --font-display: "Syne", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--white);
  background: var(--black);
  line-height: 1.5;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--black);
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  border-bottom: 2px solid var(--white);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 4vw, 2rem);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.logo-sub {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--gray);
}

.header-nav {
  display: flex;
  gap: 1.5rem;
}

.header-nav a {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-decoration: none;
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: var(--accent);
}

/* Catalog */
.catalog {
  max-width: 1400px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

.catalog-hero {
  padding: 2.5rem clamp(1rem, 4vw, 2rem) 1.5rem;
  border-bottom: 2px solid var(--gray-line);
}

.hero-index {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.catalog-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  margin: 0;
}

/* Category bar — segmented industrial tabs */
.category-bar-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--black);
  border-bottom: 2px solid var(--white);
}

.category-bar {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.category-bar::-webkit-scrollbar { display: none; }

.cat-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.85rem 1.25rem;
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gray);
  background: var(--black);
  border: none;
  border-right: 1px solid var(--gray-line);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.cat-tab:hover {
  color: var(--white);
  background: var(--gray-line);
}

.cat-tab.is-active {
  background: var(--accent);
  color: var(--black);
}

.cat-tab.is-active .count {
  background: var(--black);
  color: var(--accent);
}

.cat-short {
  font-weight: 600;
}

.cat-full {
  display: none;
}

.cat-tab .count {
  padding: 0.1rem 0.4rem;
  background: var(--gray-line);
  color: var(--white);
  font-size: 0.625rem;
}

@media (min-width: 900px) {
  .cat-short { display: none; }
  .cat-full { display: inline; }
}

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  border-bottom: 2px solid var(--gray-line);
}

.toolbar-search {
  flex: 1;
  min-width: 200px;
  display: flex;
  align-items: center;
  border-right: 2px solid var(--gray-line);
}

.search-prefix {
  padding: 0 1rem;
  font-weight: 600;
  color: var(--accent);
  border-right: 1px solid var(--gray-line);
}

.toolbar-search input {
  flex: 1;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--white);
  background: transparent;
  border: none;
  outline: none;
}

.toolbar-search input::placeholder {
  color: var(--gray);
}

.btn-filters {
  padding: 1rem 1.5rem;
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--gray-line);
  border: none;
  border-right: 2px solid var(--black);
  cursor: pointer;
}

.btn-filters:hover {
  background: var(--accent);
  color: var(--black);
}

.toolbar-sort {
  display: flex;
  align-items: center;
}

.toolbar-sort select {
  height: 100%;
  padding: 1rem 1.25rem;
  font-family: inherit;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--black);
  border: none;
  outline: none;
  cursor: pointer;
}

.results-line {
  margin: 0;
  padding: 0.65rem clamp(1rem, 4vw, 2rem);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--gray);
  border-bottom: 1px solid var(--gray-line);
}

/* Filter panel */
.filter-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 100;
  width: min(380px, 100vw);
  height: 100vh;
  background: var(--black);
  border-left: 2px solid var(--white);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.filter-panel.is-open { transform: translateX(0); }
.filter-panel[hidden] { display: none; }

.panel-head {
  position: relative;
  padding: 1.5rem;
  border-bottom: 2px solid var(--gray-line);
}

.panel-code {
  font-size: 0.625rem;
  color: var(--accent);
  letter-spacing: 0.15em;
}

.panel-head h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0.35rem 0 0;
}

.panel-head button {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.75rem;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

fieldset {
  border: none;
  margin: 0 0 2rem;
  padding: 0;
}

legend {
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.radio-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--gray-line);
  cursor: pointer;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
}

.year-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.year-row select {
  flex: 1;
  padding: 0.65rem;
  font-family: inherit;
  font-size: 0.6875rem;
  color: var(--white);
  background: var(--gray-line);
  border: 1px solid var(--gray);
}

.panel-foot {
  display: flex;
  gap: 0;
  border-top: 2px solid var(--white);
}

.btn-apply {
  flex: 1;
  padding: 1.1rem;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--black);
  background: var(--accent);
  border: none;
  cursor: pointer;
}

.btn-apply:hover {
  background: var(--white);
}

.btn-reset {
  padding: 1.1rem 1.5rem;
  font-family: inherit;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  background: transparent;
  border: none;
  border-left: 2px solid var(--gray-line);
  cursor: pointer;
}

.panel-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.75);
}

.panel-backdrop[hidden] { display: none; }

/* Project grid — horizontal register rows */
.project-grid {
  display: flex;
  flex-direction: column;
}

.project-card {
  display: grid;
  grid-template-columns: 4rem 140px 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem clamp(1rem, 4vw, 2rem);
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--gray-line);
  transition: background 0.2s;
}

.project-card:hover {
  background: var(--gray-line);
}

.card-index {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.project-card figure {
  margin: 0;
  width: 140px;
  height: 88px;
  overflow: hidden;
  border: 1px solid var(--gray-line);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter 0.4s;
}

.project-card:hover img {
  filter: grayscale(0%);
}

.card-body h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.2;
}

.card-cat {
  display: block;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--gray);
  margin-bottom: 0.25rem;
}

.card-meta {
  margin: 0.35rem 0 0;
  font-size: 0.6875rem;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.card-arrow {
  font-size: 1.25rem;
  color: var(--gray);
  transition: color 0.2s, transform 0.2s;
}

.project-card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* Footer */
.catalog-footer {
  padding: 2.5rem clamp(1rem, 4vw, 2rem);
  text-align: center;
  border-top: 2px solid var(--white);
}

.empty {
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--gray);
  padding: 2rem;
}

.empty button {
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  margin-left: 0.5rem;
}

.btn-load {
  padding: 1rem 2.5rem;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--black);
  background: var(--accent);
  border: 2px solid var(--accent);
  cursor: pointer;
}

.btn-load:hover:not(:disabled) {
  background: transparent;
  color: var(--accent);
}

.btn-load:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.load-meta {
  margin: 0.75rem 0 0;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-jump {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
}

.page-jump button {
  min-width: 2.5rem;
  height: 2.25rem;
  font-family: inherit;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  color: var(--white);
  background: var(--black);
  border: 1px solid var(--gray-line);
  cursor: pointer;
}

.page-jump button.is-active {
  background: var(--accent);
  color: var(--black);
  border-color: var(--accent);
}

.page-jump .gap {
  color: var(--gray);
  align-self: center;
  padding: 0 0.25rem;
}

.site-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  color: var(--gray);
  border-top: 1px solid var(--gray-line);
}

.site-footer p { margin: 0; }

@media (max-width: 768px) {
  .header-nav { display: none; }

  .project-card {
    grid-template-columns: 3rem 100px 1fr;
  }

  .card-arrow { display: none; }

  .project-card figure {
    width: 100px;
    height: 70px;
  }
}

@media (max-width: 480px) {
  .project-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 0.5rem;
  }

  .card-index { grid-row: 1; }
  .project-card figure {
    width: 100%;
    height: 120px;
    grid-row: 2;
  }
  .card-body { grid-row: 3; }
}