/* ═══════════════════════════════════════════════════════════════
   ACERVO OLMAN — Design System
   Dark · Monochrome · No border-radius · Inter
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;0,14..32,700;0,14..32,800;0,14..32,900;1,14..32,300;1,14..32,400&display=swap');

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --bg: #080808;
  --bg-2: #111111;
  --bg-3: #181818;
  --bg-4: #222222;
  --border: #242424;
  --border-2: #1a1a1a;
  --text: #e8e8e8;
  --text-2: #909090;
  --text-3: #555555;
  --white: #ffffff;
  --black: #000000;

  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --header-h: 56px;
  --sidebar-w: 240px;
  --max-w: 1440px;

  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

input,
textarea,
select {
  font-family: inherit;
}

/* ── Typography ─────────────────────────────────────────────── */
.display {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 0.9375rem;
  font-weight: 600;
}

.label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.caption {
  font-size: 0.8125rem;
  color: var(--text-2);
  line-height: 1.5;
}

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container--narrow {
  max-width: 900px;
}

/* ── Site Header ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(20px) saturate(0.8);
  -webkit-backdrop-filter: blur(20px) saturate(0.8);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.site-logo__img {
  height: 18px;
  max-height: 18px;
  width: auto;
  object-fit: contain;
  display: block;
}

.admin-sidebar__logo {
  height: 18px;
  max-height: 18px;
  width: auto;
  object-fit: contain;
  display: block;
}

.login-logo {
  height: 18px;
  max-height: 18px;
  width: auto;
  object-fit: contain;
  margin: 0 auto var(--space-3);
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
}

.site-nav a:hover {
  color: var(--white);
}

.btn-ir-olman {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.75rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.03em !important;
  padding: 6px 12px !important;
  border-radius: 4px !important;
  color: var(--white) !important;
  border: 1px solid var(--border) !important;
  background: rgba(255, 255, 255, 0.06) !important;
  text-decoration: none !important;
  transition: all 0.2s ease !important;
  white-space: nowrap !important;
}

.btn-ir-olman:hover {
  background: var(--white) !important;
  color: #000000 !important;
  border-color: var(--white) !important;
}

.btn-ir-olman i,
.btn-ir-olman svg {
  transition: transform 0.2s ease;
}

.btn-ir-olman:hover i,
.btn-ir-olman:hover svg {
  transform: translate(2px, -2px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  padding: var(--space-1);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  padding: var(--space-10) 0 var(--space-7);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: end;
}

.hero__counter {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.hero__number {
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--white);
  font-variant-numeric: tabular-nums;
}

.hero__number-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-bottom: var(--space-1);
}

.hero__tagline {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--text-2);
  line-height: 1.7;
  max-width: 400px;
}

/* ── Search ──────────────────────────────────────────────────── */
.search-wrap {
  position: relative;
}

.search-wrap .search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-3);
  pointer-events: none;
}

#search-input {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9375rem;
  padding: var(--space-3) var(--space-4) var(--space-3) 44px;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

#search-input:focus {
  border-color: var(--text-3);
  background: var(--bg-3);
}

#search-input::placeholder {
  color: var(--text-3);
}

/* ── Tag Filters ─────────────────────────────────────────────── */
.filters-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: rgba(8, 8, 8, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--space-3) 0;
}

.filters-bar .container {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
}

.filters-bar .container::-webkit-scrollbar {
  display: none;
}

.tag-btn {
  flex-shrink: 0;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 5px var(--space-3);
  transition: all var(--transition);
  white-space: nowrap;
}

.tag-btn:hover,
.tag-btn.active {
  background: var(--white);
  border-color: var(--white);
  color: var(--black);
}

/* ── Section header ──────────────────────────────────────────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--border-2);
  margin-bottom: 0;
}

.section-header .label {
  color: var(--text-3);
}

.count-badge {
  font-size: 0.75rem;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

/* ── Reference Grid ──────────────────────────────────────────── */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-2);
}

.ref-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.ref-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

/* ── Reference Card ──────────────────────────────────────────── */
.ref-card {
  background: var(--bg);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: background var(--transition);
}

.ref-card:hover {
  background: var(--bg-2);
}

.ref-card__img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-3);
}

.ref-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  opacity: 0.9;
}

.ref-card:hover .ref-card__img {
  transform: scale(1.04);
  opacity: 1;
}

.ref-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.ref-card:hover .ref-card__overlay {
  opacity: 1;
}

.ref-card__no-img {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 2rem;
}

.ref-card__body {
  padding: var(--space-4) var(--space-5) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.ref-card__tipo {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.ref-card__title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.3;
  transition: color var(--transition);
}

.ref-card:hover .ref-card__title {
  color: var(--white);
}

.ref-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: var(--space-2);
}

.tag-pill {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 2px 8px;
  transition: all var(--transition);
}

.tag-pill:hover {
  color: var(--text);
  border-color: var(--text-3);
}

/* ── Empty state ─────────────────────────────────────────────── */
.empty-state {
  grid-column: 1 / -1;
  padding: var(--space-10) var(--space-6);
  text-align: center;
  background: var(--bg);
}

.empty-state__icon {
  color: var(--text-3);
  margin: 0 auto var(--space-5);
}

.empty-state h3 {
  color: var(--text-2);
  margin-bottom: var(--space-2);
}

.empty-state p {
  color: var(--text-3);
  font-size: 0.9rem;
}

/* ── Reference Detail ────────────────────────────────────────── */
.ref-detail {
  padding-bottom: var(--space-10);
}

.ref-hero {
  height: clamp(300px, 55vh, 640px);
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
}

.ref-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.ref-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, rgba(8, 8, 8, 0.4) 40%, transparent 70%);
}

.ref-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-7) var(--space-6);
}

.ref-hero__content .container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.ref-tipo-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 4px 10px;
  background: rgba(8, 8, 8, 0.7);
  backdrop-filter: blur(8px);
  margin-bottom: var(--space-3);
}

.ref-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--white);
}

.ref-meta {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-8);
  padding: var(--space-7) 0;
  border-bottom: 1px solid var(--border);
}

.ref-desc {
  font-size: 1.0625rem;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 700px;
}

.ref-sidebar {}

.ref-sidebar__label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.ref-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ── Image Gallery ───────────────────────────────────────────── */
.gallery-section {
  padding: var(--space-7) 0;
}

.gallery-section h2 {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.gallery-grid {
  columns: 3;
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .gallery-grid {
    columns: 2;
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    columns: 1;
  }
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: border-color var(--transition);
}

.gallery-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.gallery-item__img-link {
  display: block;
  width: 100%;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.gallery-item__img-link img {
  width: 100%;
  display: block;
  transition: opacity var(--transition), transform 0.5s ease;
  opacity: 0.9;
}

.gallery-item:hover .gallery-item__img-link img {
  opacity: 1;
  transform: scale(1.02);
}

.gallery-item__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-3) var(--space-4);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.5) 70%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: auto;
  z-index: 5;
}

.gallery-item:hover .gallery-item__caption,
.gallery-item:focus-within .gallery-item__caption {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .gallery-item__caption {
    opacity: 1;
    transform: translateY(0);
    position: relative;
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    padding: var(--space-3);
  }
}

.gallery-item__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.gallery-item__caption .cap-text {
  font-size: 0.8125rem;
  color: var(--white);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-item__caption .cap-author {
  font-size: 0.75rem;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-ver-trabalho {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #000000 !important;
  background: #ffffff !important;
  border: 1px solid #ffffff;
  padding: 5px 12px;
  border-radius: 4px;
  transition: all 0.2s ease;
  text-decoration: none !important;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  flex-shrink: 0;
  cursor: pointer;
}

.btn-ver-trabalho:hover {
  background: #e2e2e2 !important;
  color: #000000 !important;
  border-color: #e2e2e2;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ── GLightbox Customization ───────────────────────── */
.gdesc-inner {
  padding: 16px 24px !important;
}

.gdesc-inner .gslide-title {
  color: #ffffff !important;
  font-size: 1rem !important;
  font-weight: 700 !important;
  margin-bottom: 6px !important;
}

.gdesc-inner .gslide-desc {
  color: var(--text-2) !important;
  font-size: 0.875rem !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  flex-wrap: wrap !important;
}

.gbox-btn-ver-trabalho {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 0.75rem !important;
  font-weight: 700 !important;
  color: #000000 !important;
  background: #ffffff !important;
  padding: 5px 12px !important;
  border-radius: 4px !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4) !important;
  transition: all 0.2s ease !important;
  margin-left: 6px !important;
}

.gbox-btn-ver-trabalho:hover {
  background: #e2e2e2 !important;
  color: #000000 !important;
  transform: translateY(-1px) !important;
}

/* ── Back link ───────────────────────────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-3);
  padding: var(--space-5) 0;
  transition: color var(--transition);
}

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

/* ── Popup ───────────────────────────────────────────────────── */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  backdrop-filter: blur(4px);
}

.popup-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.popup {
  background: var(--bg-2);
  border: 1px solid var(--border);
  max-width: 520px;
  width: 100%;
  position: relative;
  transform: translateY(24px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.popup-overlay.visible .popup {
  transform: translateY(0);
}

.popup__header {
  padding: var(--space-6) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.popup__logo-text {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: var(--space-2);
}

.popup__title {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1.25;
}

.popup__close {
  background: none;
  border: none;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
  flex-shrink: 0;
  margin-left: var(--space-4);
  margin-top: -2px;
}

.popup__close:hover {
  color: var(--white);
}

.popup__body {
  padding: var(--space-5) var(--space-6);
}

.popup__text {
  font-size: 0.9375rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: var(--space-5);
}

.popup__text strong {
  color: var(--white);
  font-weight: 600;
}

.popup__actions {
  display: flex;
  gap: var(--space-3);
}

.popup__footer {
  padding: var(--space-3) var(--space-6) var(--space-5);
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 10px var(--space-5);
  border: 1px solid transparent;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
}

.btn--primary {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn--primary:hover {
  background: var(--text-2);
  border-color: var(--text-2);
}

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

.btn--outline:hover {
  border-color: var(--text-3);
  background: var(--bg-3);
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border-color: transparent;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.btn--ghost:hover {
  color: var(--text);
  background: var(--bg-3);
}

.btn--danger {
  background: transparent;
  color: #c0392b;
  border-color: rgba(192, 57, 43, 0.3);
}

.btn--danger:hover {
  background: rgba(192, 57, 43, 0.1);
  border-color: #c0392b;
}

.btn--sm {
  font-size: 0.75rem;
  padding: 6px var(--space-3);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-7) 0;
  margin-top: var(--space-9);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

.footer-links {
  display: flex;
  gap: var(--space-5);
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--text);
}

/* ═══════════════════════════════════════════════════════════════
   ADMIN LAYOUT
═══════════════════════════════════════════════════════════════ */

.admin-body {
  background: var(--bg);
  min-height: 100vh;
}

/* ── Admin Sidebar ───────────────────────────────────────────── */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.admin-sidebar__brand {
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border);
}

.admin-sidebar__brand-main {
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.admin-sidebar__brand-sub {
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 2px;
}

.admin-nav {
  padding: var(--space-4) 0;
  flex: 1;
}

.admin-nav__section {
  padding: var(--space-3) var(--space-5) var(--space-2);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-3);
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
  border-left: 2px solid transparent;
}

.admin-nav a:hover {
  color: var(--text);
  background: var(--bg-3);
}

.admin-nav a.active {
  color: var(--white);
  border-left-color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.admin-nav__divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-3) var(--space-5);
}

.admin-sidebar__footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
}

/* ── Admin Content ───────────────────────────────────────────── */
.admin-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  height: var(--header-h);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-7);
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-topbar__left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-topbar__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
}

.admin-topbar__breadcrumb {
  font-size: 0.8125rem;
  color: var(--text-3);
}

.admin-topbar__breadcrumb span {
  color: var(--text-2);
}

.admin-main {
  padding: var(--space-7);
  flex: 1;
}

.admin-mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  padding: var(--space-2);
}

/* ── Admin Cards ─────────────────────────────────────────────── */
.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-7);
}

.admin-stat {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: var(--space-5);
}

.admin-stat__number {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--white);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.admin-stat__label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: var(--space-2);
}

/* ── Admin Table ─────────────────────────────────────────────── */
.table-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: var(--space-3) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--border);
  background: var(--bg-3);
  white-space: nowrap;
}

.admin-table td {
  padding: var(--space-4) var(--space-5);
  font-size: 0.875rem;
  color: var(--text-2);
  border-bottom: 1px solid var(--border-2);
  vertical-align: middle;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: var(--bg-3);
  color: var(--text);
}

.admin-table__thumb {
  width: 56px;
  height: 40px;
  object-fit: cover;
  background: var(--bg-4);
}

.admin-table__thumb-placeholder {
  width: 56px;
  height: 40px;
  background: var(--bg-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
}

.table-actions {
  display: flex;
  gap: var(--space-2);
  white-space: nowrap;
}

/* ── Admin Forms ─────────────────────────────────────────────── */
.admin-form-section {
  background: var(--bg-2);
  border: 1px solid var(--border);
  margin-bottom: var(--space-5);
}

.admin-form-section__header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.admin-form-section__header h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.admin-form-section__body {
  padding: var(--space-5);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-3);
}

.form-control {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9375rem;
  padding: 10px var(--space-4);
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
}

.form-control:focus {
  border-color: var(--text-3);
  background: var(--bg-3);
}

.form-control::placeholder {
  color: var(--text-3);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

select.form-control {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-3);
  line-height: 1.4;
}

.form-error {
  font-size: 0.75rem;
  color: #e74c3c;
}

/* ── Tag Input Widget ────────────────────────────────────────── */
.tag-input-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  min-height: 44px;
  padding: 6px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  cursor: text;
  transition: border-color var(--transition);
}

.tag-input-wrap:focus-within {
  border-color: var(--text-3);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-4);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 8px;
  white-space: nowrap;
}

.tag-chip__remove {
  background: none;
  border: none;
  color: var(--text-3);
  display: flex;
  align-items: center;
  transition: color var(--transition);
  padding: 0;
}

.tag-chip__remove:hover {
  color: var(--white);
}

.tag-input-field {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 0.875rem;
  min-width: 120px;
  flex: 1;
}

.tag-input-field::placeholder {
  color: var(--text-3);
}

.tag-suggestions {
  position: absolute;
  z-index: 50;
  background: var(--bg-2);
  border: 1px solid var(--border);
  max-height: 200px;
  overflow-y: auto;
  width: 100%;
  top: 100%;
  left: 0;
  display: none;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.tag-suggestions.open {
  display: block;
}

.tag-suggestion-item {
  padding: var(--space-2) var(--space-4);
  font-size: 0.875rem;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.tag-suggestion-item:hover,
.tag-suggestion-item.highlighted {
  background: var(--bg-3);
  color: var(--white);
}

/* ── Cover Upload ────────────────────────────────────────────── */
.cover-upload-area {
  border: 1px dashed var(--border);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--text-3);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.cover-upload-area:hover {
  border-color: var(--text-3);
  background: var(--bg-3);
}

.cover-upload-area input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
}

.cover-preview {
  position: relative;
  display: inline-block;
}

.cover-preview img {
  max-height: 220px;
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto;
}

.cover-preview__remove {
  position: absolute;
  top: -8px;
  right: -8px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
}

.cover-preview__remove:hover {
  background: #c0392b;
  color: var(--white);
  border-color: #c0392b;
}

/* ── Image Manager ───────────────────────────────────────────── */
.img-manager-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.img-manager-item {
  background: var(--bg-3);
  border: 1px solid var(--border);
  overflow: hidden;
}

.img-manager-item__thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-4);
}

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

.img-manager-item__info {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
}

.img-manager-item__caption {
  font-size: 0.8125rem;
  color: var(--text-2);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.img-manager-item__author {
  font-size: 0.75rem;
  color: var(--text-3);
}

.img-manager-item__footer {
  padding: var(--space-2) var(--space-4) var(--space-3);
  display: flex;
  justify-content: flex-end;
}

/* ── Upload Drop Zone ────────────────────────────────────────── */
.upload-zone {
  border: 1px dashed var(--border);
  padding: var(--space-7);
  text-align: center;
  color: var(--text-3);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-zone__icon {
  margin: 0 auto var(--space-3);
}

.upload-zone__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: var(--space-1);
}

.upload-zone__hint {
  font-size: 0.8125rem;
}

/* ── Upload image rows ───────────────────────────────────────── */
.upload-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.upload-row {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: var(--space-4);
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}

.upload-row__preview {
  width: 80px;
  height: 60px;
  object-fit: cover;
  background: var(--bg-4);
}

/* ── Flash messages ──────────────────────────────────────────── */
.flash {
  padding: var(--space-3) var(--space-5);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  border-left: 3px solid;
}

.flash--success {
  background: rgba(39, 174, 96, 0.08);
  border-color: #27ae60;
  color: #2ecc71;
}

.flash--error {
  background: rgba(192, 57, 43, 0.08);
  border-color: #c0392b;
  color: #e74c3c;
}

.flash--info {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--text-3);
  color: var(--text-2);
}

/* ── Login Page ──────────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.login-page::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  pointer-events: none;
}

.login-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: var(--space-8);
  width: 100%;
  max-width: 400px;
}

.login-box__logo {
  text-align: center;
  margin-bottom: var(--space-7);
}

.login-box__logo-main {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}

.login-box__logo-sub {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 4px;
}

.login-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-5) 0;
}

/* ── Confirmation dialogs ────────────────────────────────────── */
.confirm-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
}

.confirm-box {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: var(--space-7);
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.confirm-box h2 {
  margin-bottom: var(--space-3);
  color: var(--white);
}

.confirm-box p {
  color: var(--text-2);
  margin-bottom: var(--space-6);
}

.confirm-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

/* ── Pagination ──────────────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1px;
  padding: var(--space-7) 0;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 0.8125rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: all var(--transition);
}

.pagination a:hover {
  background: var(--bg-3);
  color: var(--white);
}

.pagination .current {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--bg-4);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-3);
}

/* ── Utility ─────────────────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.text-muted {
  color: var(--text-3);
}

.text-white {
  color: var(--white);
}

.gap-4 {
  gap: var(--space-4);
}

.d-flex {
  display: flex;
}

.align-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.flex-1 {
  flex: 1;
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-5 {
  margin-bottom: var(--space-5);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-5 {
  margin-top: var(--space-5);
}

.pos-relative {
  position: relative;
}

/* ── Status badges ───────────────────────────────────────────── */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 3px 8px;
  white-space: nowrap;
}

.status-badge--published {
  color: #27ae60;
  background: rgba(39, 174, 96, 0.08);
}

.status-badge--draft {
  color: var(--text-3);
  background: var(--bg-4);
}

/* ── Status control (segmented) ──────────────────────────────── */
.status-control {
  display: inline-flex;
}

.status-control input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.status-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px var(--space-5);
  border: 1px solid var(--border);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text-3);
  user-select: none;
}

.status-label:not(:last-child) {
  border-right: none;
}

.status-control input:checked+.status-label {
  color: var(--black);
  background: var(--white);
  border-color: var(--white);
}

.status-control input[value="draft"]:checked+.status-label {
  color: var(--text);
  background: var(--bg-4);
  border-color: var(--text-3);
}

/* ── Draft banner (public pages) ─────────────────────────────── */
.draft-banner {
  background: rgba(255, 200, 0, 0.07);
  border-bottom: 1px solid rgba(255, 200, 0, 0.2);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.8125rem;
  color: #c8a400;
}

/* ── Ver trabalho button ──────────────────────────────────────── */
.btn--trabalho {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
  margin-top: var(--space-2);
  backdrop-filter: blur(4px);
}

.btn--trabalho:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.gallery-item__footer {
  padding: var(--space-2) var(--space-4) var(--space-3);
  background: var(--bg-2);
  border-top: 1px solid var(--border-2);
}

/* ── Upload row 4-col ────────────────────────────────────────── */
.upload-row.four-col {
  grid-template-columns: 80px 1fr 1fr 1fr;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  .ref-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .admin-stat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  :root {
    --sidebar-w: 0px;
  }

  .hero__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .ref-meta {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .ref-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    columns: 2;
  }

  .admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    height: 100vh;
    z-index: 1000;
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: none;
  }

  .admin-sidebar.open {
    transform: translateX(0) !important;
    box-shadow: 10px 0 50px rgba(0, 0, 0, 0.8) !important;
  }

  .admin-content {
    margin-left: 0;
  }

  .admin-mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--white);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s ease;
  }

  .admin-mobile-toggle:hover,
  .admin-mobile-toggle:active {
    background: var(--bg-3);
  }

  .admin-mobile-toggle svg,
  .admin-mobile-toggle i {
    pointer-events: none;
  }

  .admin-topbar {
    padding: 0 var(--space-5);
  }

  .admin-main {
    padding: var(--space-5);
  }

  .admin-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .img-manager-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .login-box {
    padding: var(--space-6);
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 var(--space-4);
  }

  .site-nav .nav-links {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: var(--space-8) 0 var(--space-6);
  }

  .hero__number {
    font-size: clamp(3.5rem, 18vw, 6rem);
  }

  .ref-grid {
    grid-template-columns: repeat(1, 1fr);
  }

  .gallery-grid {
    columns: 1;
  }

  .admin-stat-grid {
    grid-template-columns: 1fr;
  }

  .img-manager-grid {
    grid-template-columns: 1fr;
  }

  .upload-row {
    grid-template-columns: 1fr;
  }

  .site-footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .popup__actions {
    flex-direction: column;
  }
}

/* ── Animation classes (GSAP targets) ────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
}

.fade-in {
  opacity: 0;
}

/* ── GLightbox overrides ─────────────────────────────────────── */
.glightbox-clean .gslide-description {
  background: var(--bg-2) !important;
}

.glightbox-clean .gslide-title {
  color: var(--white) !important;
}

.glightbox-clean .gslide-desc {
  color: var(--text-2) !important;
}

.glightbox-clean .gnext,
.glightbox-clean .gprev {
  background: var(--bg-2) !important;
  border: 1px solid var(--border) !important;
}

.glightbox-clean .gclose {
  background: var(--bg-2) !important;
  border: 1px solid var(--border) !important;
}

/* ── Infinite Scroll Sentinel ────────────────────────────────── */
.infinite-sentinel {
  padding: var(--space-8) 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80px;
  width: 100%;
}

.sentinel-loader {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-3);
  font-size: 0.875rem;
  font-weight: 500;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.sentinel-end {
  color: var(--text-3);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}