@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist-Variable.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #6b6b6b;
  --border: rgba(0, 0, 0, 0.1);
  --card-bg: #f4f4f4;
  --overlay: rgba(255, 255, 255, 0.92);
  --focus: #0a0a0a;
  --cols: 4;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0a0a0a;
  --fg: #f5f5f5;
  --muted: #a1a1a1;
  --border: rgba(255, 255, 255, 0.14);
  --card-bg: #161616;
  --overlay: rgba(10, 10, 10, 0.92);
  --focus: #f5f5f5;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg: #0a0a0a;
    --fg: #f5f5f5;
    --muted: #a1a1a1;
    --border: rgba(255, 255, 255, 0.14);
    --card-bg: #161616;
    --overlay: rgba(10, 10, 10, 0.92);
    --focus: #f5f5f5;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--fg);
  color: var(--bg);
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--overlay);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem 0.75rem;
  padding-right: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.brand-logo {
  width: 28px;
  height: 28px;
  display: block;
  flex-shrink: 0;
}

.brand-mark {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.85rem;
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-field {
  position: relative;
  flex: 0 1 600px;
  max-width: 55%;
  min-width: 0;
}

.search-field .icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
}

#search {
  width: 100%;
  padding: 0.55rem 0.8rem 0.55rem 2.2rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
  font: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s ease;
}
#search:focus {
  border-color: var(--focus);
}

.cols-control {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
  user-select: none;
}

.cols-btn {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--fg);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s ease;
}
.cols-btn:hover {
  background: var(--border);
}
.cols-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.cols-btn:disabled:hover {
  background: transparent;
}

#cols-label {
  min-width: 1ch;
  text-align: center;
}

.submit-btn {
  flex-shrink: 0;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--fg);
  background: var(--fg);
  color: var(--bg);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}
.submit-btn:hover {
  opacity: 0.82;
}

.theme-toggle {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.theme-toggle .icon {
  width: 16px;
  height: 16px;
}
.theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.type-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.85rem 0 0.15rem;
  scrollbar-width: none;
}
.type-filters::-webkit-scrollbar { display: none; }

.type-chip {
  flex: 0 0 auto;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.type-chip[aria-pressed="true"] {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

/* ---------- Gallery ---------- */

.gallery {
  --gallery-gap: 1.1rem;
  display: grid;
  grid-template-columns: repeat(
    auto-fill,
    minmax(max(260px, calc((100% - (var(--cols) - 1) * var(--gallery-gap)) / var(--cols))), 1fr)
  );
  gap: var(--gallery-gap);
  padding: 1.5rem;
}

@media (max-width: 720px) {
  .gallery {
    --gallery-gap: 0.7rem;
    padding: 1rem;
  }
  .site-header { padding: 1rem 1rem 0.5rem; }
  .brand { padding-right: 3.25rem; }
  .cols-control { display: none; }
  .theme-toggle { top: 1rem; right: 1rem; }
  .search-field { flex: 1 1 0; max-width: none; }
  .submit-btn { flex-shrink: 0; }
}

.card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: var(--card-bg);
  cursor: pointer;
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(14px);
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1), opacity 0.5s ease, box-shadow 0.25s ease;
}

.card.in-view {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--card-bg);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.card:hover .card-media img {
  transform: scale(1.045);
}

.card-info {
  padding: 0.8rem 0.9rem 0.95rem;
}

.card-title {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.2rem;
}

.card-type {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 4rem 1rem;
}

/* ---------- Modal ---------- */

.detail-modal {
  border: none;
  border-radius: 18px;
  padding: 0;
  max-width: min(860px, 92vw);
  width: 100%;
  max-height: 88vh;
  color: var(--fg);
  background: var(--bg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.detail-modal::-webkit-scrollbar {
  width: 6px;
}
.detail-modal::-webkit-scrollbar-track {
  background: transparent;
}
.detail-modal::-webkit-scrollbar-thumb {
  background: var(--muted);
  border-radius: 999px;
}

.detail-modal::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.detail-modal[open] {
  animation: modal-in 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.94) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.submit-modal {
  border: none;
  border-radius: 18px;
  padding: 0;
  max-width: min(420px, 92vw);
  width: 100%;
  color: var(--fg);
  background: var(--bg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.submit-modal::backdrop {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.submit-modal[open] {
  animation: modal-in 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.submit-form {
  padding: 2rem 1.75rem 1.85rem;
}

.submit-form h2 {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
}

.submit-sub {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.submit-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

#submit-link {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
  font: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}
#submit-link:focus {
  border-color: var(--focus);
}

.submit-send {
  width: 100%;
  margin-top: 1.1rem;
  padding: 0.75rem 1.2rem;
  border: none;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.submit-send:hover {
  opacity: 0.85;
}
.submit-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.submit-status {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  min-height: 1.2em;
  text-align: center;
}
.submit-status[data-state="success"] {
  color: #1a9e5c;
}
.submit-status[data-state="error"] {
  color: #d1453b;
}

.modal-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  cursor: pointer;
  z-index: 2;
  font-size: 0.9rem;
}

.modal-media {
  background: var(--card-bg);
  overflow: hidden;
}

.modal-media img {
  width: 100%;
  height: auto;
  display: block;
}

.modal-body {
  padding: 1.4rem 1.6rem 1.7rem;
}

.modal-type {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

#modal-title {
  margin: 0.25rem 0 0.35rem;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.modal-meta {
  margin: 0 0 0.7rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.modal-blurb {
  margin: 0 0 1rem;
  line-height: 1.5;
}

.modal-visit {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}
.modal-visit svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}
.modal-visit:hover {
  opacity: 0.82;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 3rem 1rem 2.5rem;
}

.site-footer p {
  margin: 0 0 0.4rem;
}
.site-footer p:last-child {
  margin-bottom: 0;
}

.site-footer a {
  color: var(--fg);
  font-weight: 600;
  text-decoration: none;
}
.site-footer a:hover {
  text-decoration: underline;
}

.scroll-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 15;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top svg {
  width: 16px;
  height: 16px;
}

@media (prefers-reduced-motion: reduce) {
  .card, .card-media img, .detail-modal, .detail-modal[open] {
    transition: none !important;
    animation: none !important;
  }
}

/* View Transitions morph (progressive enhancement) */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.4s;
}