@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@300;400;500&family=Jost:wght@300;400;500&display=swap');

/* ─────────────────────────────────────────
   VARIÁVEIS
───────────────────────────────────────── */
:root {
  --bg:         #111110;
  --bg-2:       #1a1a18;
  --bg-3:       #222220;
  --surface:    #2a2a27;
  --border:     #333330;
  --amber:      #e8a320;
  --amber-dim:  #a36e10;
  --amber-glow: rgba(232, 163, 32, 0.12);
  --text:       #e8e6e0;
  --text-muted: #888880;
  --text-dim:   #555550;
  --red:        #c0392b;
  --green:      #2e8b57;
  --radius:     4px;
  --radius-lg:  10px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Jost', sans-serif;
  font-weight: 300;
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Grain overlay sutil */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

a { color: var(--amber); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }

/* ─────────────────────────────────────────
   LAYOUT WRAPPER
───────────────────────────────────────── */
.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─────────────────────────────────────────
   HEADER / NAV
───────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-bottom: 0;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: baseline;
  gap: 2rem;
}

.logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.6rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--amber);
}

.nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav a:hover,
.nav a.active { color: var(--amber); }

/* ─────────────────────────────────────────
   HERO (index)
───────────────────────────────────────── */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
}

.hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-eyebrow::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--amber-dim);
}

.hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.hero h1 em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 460px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

/* ─────────────────────────────────────────
   CARDS DE AÇÃO (index)
───────────────────────────────────────── */
.action-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 560px;
}

.action-card {
  background: var(--bg-2);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}

.action-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--amber-glow);
  opacity: 0;
  transition: opacity var(--transition);
}

.action-card:hover { background: var(--bg-3); }
.action-card:hover::before { opacity: 1; }

.action-card-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.action-card-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.2rem;
  color: var(--text);
}

.action-card-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.action-card-arrow {
  margin-top: auto;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--amber);
  letter-spacing: 0.05em;
}

/* ─────────────────────────────────────────
   PAGE TITLE (upload, gallery)
───────────────────────────────────────── */
.page-header {
  padding: 3rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}

.page-header .back {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  transition: color var(--transition);
}

.page-header .back:hover { color: var(--amber); }

.page-header h1 {
  font-family: 'DM Serif Display', serif;
  font-size: 2.4rem;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.1;
}

.page-header p {
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ─────────────────────────────────────────
   UPLOAD
───────────────────────────────────────── */
.upload-area {
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  background: var(--bg-2);
  transition: border-color var(--transition), background var(--transition);
  cursor: pointer;
  position: relative;
}

.upload-area:hover,
.upload-area.dragover {
  border-color: var(--amber);
  background: var(--bg-3);
}

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

.upload-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  opacity: 0.5;
}

.upload-label {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.upload-hint {
  font-size: 0.78rem;
  font-family: 'DM Mono', monospace;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.upload-selected {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--amber);
  font-family: 'DM Mono', monospace;
  min-height: 1.2rem;
}

/* ─────────────────────────────────────────
   BOTÃO
───────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.8rem 2rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: 'Jost', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--amber);
  color: #111110;
}

.btn-primary:hover {
  background: #f0b030;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 163, 32, 0.3);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.upload-actions {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

/* ─────────────────────────────────────────
   STATUS / FEEDBACK
───────────────────────────────────────── */
.status {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius);
  display: none;
  margin-top: 1.5rem;
}

.status.show { display: block; }

.status.success {
  background: rgba(46, 139, 87, 0.15);
  border: 1px solid rgba(46, 139, 87, 0.4);
  color: #5dba85;
}

.status.error {
  background: rgba(192, 57, 43, 0.15);
  border: 1px solid rgba(192, 57, 43, 0.4);
  color: #e07060;
}

.status.loading {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ─────────────────────────────────────────
   GALERIA
───────────────────────────────────────── */
.gallery-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.gallery-count {
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 3px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-3);
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1), filter 400ms ease;
  filter: brightness(0.92) saturate(0.9);
}

.gallery-item:hover img {
  transform: scale(1.05);
  filter: brightness(1) saturate(1.1);
}

.gallery-item-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);
  display: flex;
  align-items: flex-end;
  padding: 0.75rem;
}

.gallery-item:hover .gallery-item-overlay { opacity: 1; }

.gallery-item-name {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ─────────────────────────────────────────
   LIGHTBOX
───────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 9, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
  backdrop-filter: blur(4px);
}

.lightbox.open {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 0 80px rgba(0,0,0,0.8);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition);
}

.lightbox-close:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.lightbox-info {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'DM Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

/* ─────────────────────────────────────────
   ESTADOS VAZIOS / ERRO
───────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 6rem 2rem;
  color: var(--text-dim);
}

.empty-state-icon {
  font-size: 3rem;
  opacity: 0.3;
  margin-bottom: 1.5rem;
}

.empty-state h3 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.4rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.empty-state p {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.empty-state a {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: 'DM Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
.site-footer {
  margin-top: 6rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
}

.site-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer p {
  font-family: 'DM Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

/* ─────────────────────────────────────────
   RESPONSIVO
───────────────────────────────────────── */
@media (max-width: 600px) {
  .action-cards { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
  .hero h1 { font-size: 2.8rem; }
  .header-inner { gap: 1rem; }
  .nav { gap: 1rem; }
}