/* ============================================================
   Frizzy photogallery — design system
   Light: ivory + warm taupe blocks · Dark: warm anthracite
   border-radius: 0 everywhere · passepartout frames
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --bg: #f6f2ea;
  --bg-elev: #fffdf8;
  --block: #d9c7b8;
  --block-strong: #c9b2a0;
  --text: #3e3831;
  --text-muted: #6d6459;
  --accent: #96562e;
  --accent-contrast: #fffdf8;
  --line: #d9d1c4;
  --frame: #ffffff;
  --overlay: rgba(62, 56, 49, 0.55);
  --focus: #96562e;
  --shadow: 0 18px 40px rgba(62, 56, 49, 0.14);

  --font-display: 'Marcellus', 'Times New Roman', serif;
  --font-sans: 'Barlow', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

  --frame-pad: clamp(8px, 1.4vw, 18px);
  --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 150ms;
  --dur-mid: 300ms;
  --dur-slow: 450ms;
  --gutter: clamp(20px, 5vw, 72px);
  color-scheme: light;
}

html[data-theme='dark'] {
  --bg: #242019;
  --bg-elev: #2c2721;
  --block: #3b332a;
  --block-strong: #4a3f33;
  --text: #ece4d8;
  --text-muted: #b7ad9f;
  --accent: #d99a6c;
  --accent-contrast: #242019;
  --line: #4c4336;
  --frame: #000000;
  --overlay: rgba(12, 10, 8, 0.66);
  --focus: #d99a6c;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

/* ---------- Reset / base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  transition: background-color var(--dur-mid) ease, color var(--dur-mid) ease;
}

body.lb-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

h1, h2, h3, p, ul, figure {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 10px 18px;
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--line);
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

main {
  flex: 1 0 auto;
  width: 100%;
}

/* Theme cross-fade of page regions while lightbox is open */
.site-header,
.site-footer,
main {
  transition: opacity var(--dur-mid) ease, background-color var(--dur-mid) ease, color var(--dur-mid) ease;
}

body.lb-open .site-header,
body.lb-open .site-footer,
body.lb-open main {
  opacity: 0;
  pointer-events: none;
}

/* ---------- Passepartout frame ---------- */
.frame {
  display: block;
  background-color: var(--frame);
  padding: var(--frame-pad);
  transition: background-color var(--dur-mid) ease;
}

.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background-color: var(--bg);
}

.site-header__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
}

.brand__logo {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
}

.brand__tagline {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 2px;
}

.site-nav {
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  gap: 26px;
}

.site-nav a {
  color: var(--text);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.site-nav a:hover {
  text-decoration: none;
  color: var(--accent);
}

.site-nav a.is-active {
  border-bottom-color: var(--text);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logout-form {
  display: inline;
}

/* ---------- Buttons & icon buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 22px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease,
    border-color var(--dur-fast) ease, transform var(--dur-fast) ease;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background-color: var(--accent);
  color: var(--accent-contrast);
}

.btn--primary:hover {
  background-color: var(--block-strong);
  color: var(--text);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--text);
  background-color: transparent;
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--block {
  width: 100%;
}

.btn__icon {
  flex: 0 0 auto;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--text);
  transition: border-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.icon-btn__icon--moon {
  display: none;
}

html[data-theme='dark'] .icon-btn__icon--moon {
  display: block;
}

html[data-theme='dark'] .icon-btn__icon--sun {
  display: none;
}

/* ---------- Hero (template.png language) ---------- */
.hero {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(48px, 8vw, 110px) var(--gutter) clamp(40px, 6vw, 80px);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: 0;
}

.hero__block {
  position: relative;
  z-index: 1;
  background-color: var(--block);
  padding: clamp(32px, 5vw, 64px);
  margin-right: clamp(-80px, -6vw, -40px);
  transition: background-color var(--dur-mid) ease;
}

.hero__title {
  font-size: clamp(3.2rem, 7vw, 5.6rem);
  line-height: 1.05;
}

.hero__subtitle {
  margin-top: 6px;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.hero__text {
  margin-top: 18px;
  max-width: 42ch;
  font-size: 0.92rem;
  color: var(--text);
}

.hero__media {
  position: relative;
  justify-self: end;
  width: min(100%, 620px);
}

.hero__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.hero__placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--block-strong);
  box-shadow: var(--shadow);
}

.hero__botanical {
  position: absolute;
  right: -14px;
  bottom: -46px;
  color: var(--text-muted);
  opacity: 0.55;
  pointer-events: none;
}

/* ---------- Sections ---------- */
.section-head {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.section-title {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.section-note {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.categories {
  padding: clamp(24px, 4vw, 56px) 0 clamp(56px, 8vw, 110px);
}

/* ---------- Carousel (shared) ---------- */
.carousel {
  position: relative;
  max-width: 1400px;
  margin: clamp(20px, 3vw, 36px) auto 0;
  padding: 0 var(--gutter);
}

.carousel__track {
  display: flex;
  gap: clamp(18px, 2.6vw, 36px);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 12px 4px 24px;
  margin: 0;
}

.carousel__track::-webkit-scrollbar {
  display: none;
}

.carousel__slide {
  flex: 0 0 auto;
  scroll-snap-align: center;
}

.carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background-color: var(--bg-elev);
  color: var(--text);
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease,
    border-color var(--dur-fast) ease, opacity var(--dur-fast) ease;
}

.carousel__nav--prev {
  left: max(8px, calc(var(--gutter) / 2 - 23px));
}

.carousel__nav--next {
  right: max(8px, calc(var(--gutter) / 2 - 23px));
}

.carousel__nav:hover:not(:disabled) {
  background-color: var(--block);
  border-color: var(--block);
}

.carousel__nav:disabled {
  opacity: 0.35;
}

/* ---------- Category cards (schema-index.png) ---------- */
.cat-card {
  position: relative;
  display: block;
  width: min(320px, 76vw);
  color: var(--text);
}

.cat-card:hover {
  text-decoration: none;
}

.cat-card__block {
  position: absolute;
  inset: 26px -14px -18px 26px;
  background-color: var(--block);
  transition: transform var(--dur-mid) var(--ease-soft), background-color var(--dur-mid) ease;
}

.cat-card__frame {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.cat-card__frame img {
  transition: transform var(--dur-slow) var(--ease-soft);
}

.cat-card__nocover {
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--block-strong);
}

.cat-card:hover .cat-card__frame img,
.cat-card:focus-visible .cat-card__frame img {
  transform: scale(1.05);
}

.cat-card:hover .cat-card__block,
.cat-card:focus-visible .cat-card__block {
  transform: translate(-8px, -8px);
}

.cat-card__info {
  position: relative;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 2px 0;
}

.cat-card__title {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.cat-card__count {
  color: var(--text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ---------- Category page (schema-interno-categoria.png) ---------- */
.crumbs {
  max-width: 1400px;
  margin: 0 auto;
  padding: 22px var(--gutter) 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.back-link:hover {
  color: var(--accent);
}

.category-head {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(16px, 3vw, 36px) var(--gutter) 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.category-title {
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.category-desc {
  margin-top: 10px;
  max-width: 60ch;
  color: var(--text-muted);
}

#view-toggle[aria-pressed='true'] .btn__icon--grid {
  display: none;
}

#view-toggle:not([aria-pressed='true']) .btn__icon--strip {
  display: none;
}

.carousel--photos .carousel__track {
  align-items: center;
  padding: 16px 4px 28px;
}

.carousel--photos .carousel__slide {
  scroll-snap-align: center;
}

.photo-slide {
  display: block;
}

.photo-slide__frame {
  display: block;
  box-shadow: var(--shadow);
  transition: transform var(--dur-mid) var(--ease-soft), background-color var(--dur-mid) ease;
}

.photo-slide:hover .photo-slide__frame,
.photo-slide:focus-visible .photo-slide__frame {
  transform: translateY(-6px);
}

.photo-slide__frame img {
  width: auto;
  height: min(58vh, 520px);
  max-width: min(78vw, 760px);
  object-fit: contain;
  background-color: var(--block);
}

.carousel-meta {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  gap: 10px;
}

.carousel-indicator {
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.progress {
  height: 2px;
  background-color: var(--line);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  width: 100%;
  background-color: var(--accent);
  transform: scaleX(0.05);
  transform-origin: left center;
  transition: transform var(--dur-fast) linear;
}

/* ---------- Overview grid ---------- */
.photo-grid {
  max-width: 1400px;
  margin: clamp(20px, 3vw, 40px) auto 0;
  padding: 0 var(--gutter);
}

.photo-grid__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: clamp(14px, 2vw, 26px);
}

.grid-thumb {
  display: block;
  width: 100%;
}

.grid-thumb__frame {
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-soft), background-color var(--dur-mid) ease;
}

.grid-thumb:hover .grid-thumb__frame,
.grid-thumb:focus-visible .grid-thumb__frame {
  transform: translateY(-4px);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: clamp(16px, 4vw, 56px);
}

.lightbox[hidden] {
  display: none;
}

.lightbox__backdrop {
  position: absolute;
  inset: 0;
  background-color: var(--overlay);
}

.lightbox__figure {
  position: relative;
  z-index: 1;
  max-width: min(1200px, 92vw);
  box-shadow: var(--shadow);
  will-change: transform;
}

.lightbox__figure .lightbox__img {
  display: block;
  max-width: min(1100px, 86vw);
  max-height: 76vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
  background-color: var(--block);
}

.lightbox__caption {
  padding: 12px 4px 2px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background-color: var(--bg-elev);
  color: var(--text);
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.lightbox__nav:hover {
  background-color: var(--block);
}

.lightbox__nav--prev {
  left: clamp(8px, 3vw, 40px);
}

.lightbox__nav--next {
  right: clamp(8px, 3vw, 40px);
}

.lightbox__close {
  position: absolute;
  top: clamp(10px, 3vw, 32px);
  right: clamp(10px, 3vw, 32px);
  z-index: 2;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background-color: var(--bg-elev);
  color: var(--text);
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}

.lightbox__close:hover {
  background-color: var(--accent);
  color: var(--accent-contrast);
}

/* ---------- Empty / status states ---------- */
.empty-state {
  max-width: 640px;
  margin: clamp(40px, 7vw, 90px) auto;
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  border: 1px solid var(--line);
  background-color: var(--bg-elev);
}

.empty-state__title {
  font-size: 1.25rem;
  font-weight: 500;
}

.empty-state__text {
  margin-top: 10px;
  color: var(--text-muted);
}

.status-page {
  max-width: 640px;
  margin: clamp(56px, 10vw, 130px) auto;
  padding: 0 var(--gutter);
  text-align: center;
}

.status-page__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  color: var(--accent);
  line-height: 1;
}

.status-page__title {
  margin-top: 8px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
}

.status-page__text {
  margin-top: 12px;
  color: var(--text-muted);
}

.status-page__action {
  margin-top: 28px;
}

/* ---------- Login ---------- */
.login-wrap {
  display: grid;
  place-items: center;
  padding: clamp(48px, 9vw, 120px) var(--gutter);
}

.login-card {
  width: min(420px, 100%);
  padding: clamp(28px, 4vw, 44px);
  background-color: var(--bg-elev);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 500;
}

.login-sub {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.login-form {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 6px;
}

.field__label {
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.field__input {
  padding: 11px 14px;
  border: 1px solid var(--line);
  background-color: var(--bg);
  color: var(--text);
  font: inherit;
  transition: border-color var(--dur-fast) ease;
}

.field__input:focus {
  border-color: var(--accent);
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

.form-error {
  margin-top: 16px;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.9rem;
}

.login-back {
  margin-top: 20px;
  font-size: 0.88rem;
}

/* ---------- Admin region ---------- */
.admin-region {
  max-width: 1400px;
  margin: clamp(32px, 5vw, 64px) auto 0;
  padding: 0 var(--gutter);
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 22px var(--gutter);
  text-align: center;
}

.site-footer__copy {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.site-footer__contacts {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 22px;
}

.site-footer__contacts a {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 150ms ease, border-color 150ms ease;
}

.site-footer__contacts a:hover,
.site-footer__contacts a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 40px;
  }

  .hero__block {
    margin-right: 0;
    margin-bottom: -36px;
    margin-left: 0;
    width: min(100%, 480px);
    position: relative;
    z-index: 1;
  }

  .hero__media {
    justify-self: stretch;
    width: 100%;
    padding-left: 18px;
  }

  .site-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  .carousel--categories .carousel__track {
    flex-direction: column;
    overflow-x: visible;
    scroll-snap-type: none;
    align-items: stretch;
  }

  .carousel--categories .carousel__slide {
    width: 100%;
  }

  .carousel--categories .cat-card {
    width: 100%;
  }

  .carousel--categories .carousel__nav {
    display: none;
  }

  .category-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}