/* ============================================================
   Biblioteca de Prompt — design tokens v2 "Terminal Neural"
   Paleta: fundo quase-preto + verde-ácido de sinal + dourado da marca
   Tipografia: mono no display (referência a terminal/código),
   sans-serif no corpo para legibilidade
   ============================================================ */

:root {
  --bg: #07070d;
  --bg-card: #0d0d18;
  --bg-card-hover: #131320;
  --signal: #39ff8a;
  --signal-dim: #1f8c52;
  --gold: #f5c344;
  --purple: #7c3aed;
  --purple-light: #a78bfa;
  --text-primary: #e8e8f0;
  --text-secondary: #8d8da0;
  --text-muted: #5a5a6e;
  --border: #1c1c2a;
  --border-light: #28283a;

  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Header ---------- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  background: linear-gradient(180deg, rgba(57,255,138,0.03), transparent);
}
.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand-icon { width: 28px; height: 28px; border-radius: 7px; display: block; }
.brand-accent { color: var(--signal); }

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(ellipse 70% 90% at 20% 0%, rgba(57,255,138,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 90% 10%, rgba(245,195,68,0.05) 0%, transparent 55%),
    var(--bg);
  padding: 64px 24px 56px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}
.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--signal);
  background: rgba(57, 255, 138, 0.08);
  border: 1px solid rgba(57, 255, 138, 0.28);
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 22px;
}
.hero-badge::before {
  content: '●';
  font-size: 0.6rem;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  font-weight: 600;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.hero-accent { color: var(--gold); }
.hero-sub {
  font-family: var(--font-body);
  color: var(--text-secondary);
  font-size: 1.02rem;
  max-width: 600px;
  line-height: 1.55;
  margin: 0;
}

/* ---------- Filters (terminal tags) ---------- */
.main-content {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 13px;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.filter-chip::before {
  content: '#';
  opacity: 0.5;
}
.filter-chip:hover {
  border-color: var(--signal-dim);
  color: var(--text-primary);
}
.filter-chip:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.filter-chip .count {
  background: rgba(255,255,255,0.06);
  font-size: 0.72rem;
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text-muted);
}
.filter-chip.active {
  background: rgba(57, 255, 138, 0.1);
  border-color: var(--signal);
  color: var(--signal);
}
.filter-chip.active::before { opacity: 0.8; }
.filter-chip.active .count {
  background: rgba(57, 255, 138, 0.18);
  color: var(--signal);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 460px) {
  .grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}

.card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease;
  aspect-ratio: 3/4;
  display: block;
  width: 100%;
  padding: 0;
  text-align: left;
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--signal-dim);
}
.card:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* scanline sweep on hover — signature element */
.card::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  top: -2px;
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: 3;
  pointer-events: none;
}
.card:hover::after {
  opacity: 0.9;
  animation: scan-sweep 1.2s linear infinite;
}
@keyframes scan-sweep {
  0% { top: 0%; }
  100% { top: 100%; }
}

.card-tags {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  z-index: 2;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.tag-model { background: rgba(57,255,138,0.14); color: var(--signal); border: 1px solid rgba(57,255,138,0.3); }
.tag-category { background: rgba(7,7,13,0.8); color: var(--text-primary); backdrop-filter: blur(4px); border: 1px solid var(--border-light); }

.card-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.94) 10%, transparent 100%);
  z-index: 2;
}
.card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  margin: 0 0 2px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--text-primary);
}
.card-hint {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin: 0;
}
.card-arrow { opacity: 0.7; flex-shrink: 0; color: var(--signal); }

.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 60px 0;
  font-size: 0.95rem;
  font-family: var(--font-mono);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 24px;
  text-align: center;
}
.site-footer p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 0;
  font-family: var(--font-mono);
}
.footer-links {
  margin-top: 10px !important;
}
.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--signal);
  text-decoration: underline;
}
.footer-dot {
  margin: 0 8px;
  color: var(--border-light);
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3,3,6,0.88);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }

.modal {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  width: 100%;
  max-width: 1000px;
  max-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  overflow: hidden;
}
@media (max-width: 760px) {
  .modal {
    grid-template-columns: 1fr;
    max-height: 92vh;
    overflow-y: auto;
  }
}

.modal-image-col {
  position: relative;
  background: #000;
}
.modal-tags {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  justify-content: space-between;
  z-index: 2;
}
.modal-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 320px;
}

.modal-content-col {
  display: flex;
  flex-direction: column;
  padding: 28px;
  min-height: 0;
}
.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}
.modal-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--signal);
  display: block;
  margin-bottom: 4px;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0;
}
.btn-back {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-family: var(--font-mono);
  padding: 7px 14px;
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.btn-back:hover { border-color: var(--signal-dim); color: var(--text-primary); }

.modal-json {
  flex: 1;
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: #aeb8c4;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 18px;
  min-height: 200px;
}

.btn-copy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--signal);
  color: #04140a;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: opacity 0.15s ease;
  letter-spacing: 0.01em;
}
.btn-copy:hover { opacity: 0.88; }
.btn-copy.copied { background: var(--gold); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card::after { animation: none !important; }
  .hero-badge::before { animation: none; }
}

/* ============================================================
   Autenticação — login, cadastro, troca de senha, paywall
   ============================================================ */

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-login {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.btn-login:hover { border-color: var(--signal); color: var(--signal); }

.btn-user-menu {
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.user-badge .liberado { color: var(--signal); }

.auth-modal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  width: 100%;
  max-width: 400px;
  padding: 32px 28px;
  position: relative;
}

.auth-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}
.auth-close:hover { color: var(--text-primary); }

.auth-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  background: var(--bg);
  border-radius: 8px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  padding: 9px;
  border-radius: 6px;
  cursor: pointer;
}
.auth-tab.active {
  background: var(--bg-card-hover);
  color: var(--signal);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.auth-form[hidden] {
  display: none;
}
.auth-form label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
  margin-top: 10px;
}
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.92rem;
}
.auth-form input:focus {
  outline: none;
  border-color: var(--signal-dim);
}

.auth-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 14px;
  font-family: var(--font-body) !important;
  font-size: 0.78rem !important;
  color: var(--text-secondary);
  line-height: 1.4;
}
.auth-checkbox-row input { margin-top: 2px; flex-shrink: 0; }
.auth-checkbox-row a { color: var(--signal); }

.auth-error {
  color: #ff6b6b;
  font-size: 0.8rem;
  margin: 8px 0 0;
}

.btn-auth-submit {
  margin-top: 18px;
  background: var(--signal);
  color: #04140a;
  border: none;
  border-radius: 8px;
  padding: 13px;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: var(--font-mono);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  display: block;
}
.btn-auth-submit:hover { opacity: 0.88; }

.auth-intro {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0 0 4px;
}

/* Paywall */
.paywall-modal { text-align: center; max-width: 380px; }
.paywall-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--gold);
  background: rgba(245,195,68,0.1);
  border: 1px solid rgba(245,195,68,0.3);
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.paywall-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 8px;
}
.paywall-sub {
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin: 0 0 18px;
}
.paywall-price {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--signal);
  margin: 0 0 22px;
}
.paywall-btn { margin-top: 0; }
.paywall-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 18px 0 0;
}
.paywall-note a { color: var(--signal); }

/* Cards bloqueados (cadeado/desfoque) */
.card.locked img {
  filter: blur(6px) brightness(0.5);
}
.card.locked .card-footer {
  background: rgba(0,0,0,0.75);
}
.lock-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  color: var(--text-secondary);
  opacity: 0.85;
}