/* EngineFeed — Design System Premium */

:root {
  --ef-orange: #ff6b00;
  --ef-orange-glow: #ff9500;
  --ef-blue-tech: #3b82f6;
  --ef-graphite: #1a1a1a;
  --ef-glass: rgba(20, 20, 20, 0.72);
  --ef-glass-border: rgba(255, 107, 0, 0.22);
  --ef-radius: 12px;
  --ef-radius-lg: 16px;
  --ef-shadow-glow: 0 0 24px rgba(255, 107, 0, 0.25);
  --ef-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.ef-premium { cursor: default; }

.glass-panel {
  background: var(--ef-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--ef-glass-border);
  border-radius: var(--ef-radius);
  padding: 16px;
  margin-bottom: 16px;
}

.ef-panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ef-orange);
  font-weight: 700;
}

.ef-panel-title .ef-help {
  font-size: 0.65rem;
  color: #555;
  text-transform: none;
  letter-spacing: 0;
  cursor: help;
}

/* Botões premium */
.btn {
  position: relative;
  overflow: hidden;
  min-height: 48px;
  border-radius: var(--ef-radius);
  transition: transform var(--ef-transition), box-shadow var(--ef-transition), filter var(--ef-transition);
}

.btn:not(:disabled):hover {
  transform: translateY(-1px) scale(1.01);
}

.btn:not(:disabled):active {
  transform: scale(0.98);
}

.btn-primary:not(:disabled):hover {
  box-shadow: 0 6px 28px rgba(255, 107, 0, 0.45), var(--ef-shadow-glow);
}

.btn-secondary:not(:disabled):hover,
.btn-ghost:not(:disabled):hover {
  box-shadow: 0 4px 16px rgba(255, 107, 0, 0.15);
  border-color: var(--ef-orange);
  color: var(--ef-orange-glow);
}

.btn-ef-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: auto;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 14px;
  font-size: 0.75rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-row .btn { flex: 1; min-width: calc(50% - 4px); }

/* Chips de sugestão */
.ef-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  max-height: 200px;
  overflow-y: auto;
}

.ef-chip {
  background: #111;
  border: 1px solid #2a2a2a;
  color: #aaa;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  cursor: pointer;
  transition: var(--ef-transition);
  white-space: nowrap;
}

.ef-chip:hover {
  border-color: var(--ef-orange);
  color: var(--ef-orange-glow);
  box-shadow: 0 0 12px rgba(255, 107, 0, 0.2);
  transform: scale(1.03);
}

.ef-prompt-area textarea {
  min-height: 120px;
  font-size: 0.95rem;
  line-height: 1.5;
  background: #0a0a0a;
  border-color: #333;
}

.ef-prompt-area textarea::placeholder { color: #555; }

/* Referências de imagem */
.ef-ref-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.ef-ref-thumb {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid #333;
  cursor: grab;
  background: #111;
}

.ef-ref-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ef-ref-thumb .ef-ref-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  background: rgba(0,0,0,0.75);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  line-height: 1;
}

.ef-ref-drop {
  border: 2px dashed #333;
  border-radius: var(--ef-radius);
  padding: 20px;
  text-align: center;
  color: #666;
  font-size: 0.8rem;
  transition: var(--ef-transition);
}

.ef-ref-drop.ef-drag-over {
  border-color: var(--ef-orange);
  background: rgba(255, 107, 0, 0.06);
  color: var(--ef-orange-glow);
}

/* Painel de texto unificado */
.ef-text-panel .ef-text-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 12px 0;
}

.ef-text-panel .ef-text-actions .btn {
  min-height: 40px;
  padding: 8px 6px;
  font-size: 0.65rem;
}

/* OAuth / redes */
.ef-social-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ef-oauth-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: #0d0d0d;
  border: 1px solid #252525;
  border-radius: var(--ef-radius);
  transition: var(--ef-transition);
}

.ef-oauth-card:hover { border-color: #444; }

.ef-oauth-card--on {
  border-color: rgba(74, 222, 128, 0.35);
  background: rgba(74, 222, 128, 0.04);
}

.ef-oauth-name { font-size: 0.82rem; font-weight: 600; }
.ef-oauth-status { font-size: 0.68rem; color: #666; margin-top: 2px; }
.ef-oauth-btn { width: auto; min-width: 100px; min-height: 40px; padding: 8px 12px; font-size: 0.68rem; }

/* Viral AI */
.ef-viral-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.ef-viral-types button {
  background: #111;
  border: 1px solid #2a2a2a;
  color: #aaa;
  padding: 10px 8px;
  border-radius: 8px;
  font-size: 0.68rem;
  cursor: pointer;
  transition: var(--ef-transition);
}

.ef-viral-types button:hover {
  border-color: var(--ef-orange);
  color: var(--ef-orange-glow);
}

.ef-viral-output {
  margin-top: 12px;
  padding: 12px;
  background: #0a0a0a;
  border: 1px solid #222;
  border-radius: 8px;
  font-size: 0.8rem;
  color: #bbb;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  display: none;
}

.ef-viral-output.ativo { display: block; }

/* Modo simples / avançado */
.ef-mode-bar {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  padding: 4px;
  background: #0a0a0a;
  border-radius: 999px;
  border: 1px solid #222;
}

.ef-mode-bar button {
  flex: 1;
  border: none;
  background: transparent;
  color: #666;
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--ef-transition);
}

.ef-mode-bar button.ativo {
  background: linear-gradient(135deg, var(--ef-orange), var(--ef-orange-glow));
  color: #000;
}

body.ef-mode-simple .ef-advanced-only { display: none !important; }

/* Footer premium */
.ef-platform-footer {
  background: linear-gradient(180deg, #050505 0%, #0a0a0a 100%);
  border-top: 1px solid var(--ef-glass-border);
  padding: 48px 24px 24px;
  margin-top: auto;
}

.ef-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto 32px;
}

.ef-footer-col h4 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ef-orange);
  margin: 0 0 14px;
}

.ef-footer-col a {
  display: block;
  color: #888;
  text-decoration: none;
  font-size: 0.8rem;
  padding: 5px 0;
  transition: color var(--ef-transition);
}

.ef-footer-col a:hover { color: var(--ef-orange-glow); }

.ef-footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid #1a1a1a;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.72rem;
  color: #555;
}

.ef-footer-social {
  display: flex;
  gap: 12px;
}

.ef-footer-social a {
  color: #666;
  text-decoration: none;
  font-size: 1.1rem;
  transition: var(--ef-transition);
}

.ef-footer-social a:hover { color: var(--ef-orange); transform: scale(1.1); }

.ef-security-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 999px;
  color: var(--ef-blue-tech);
  font-size: 0.68rem;
}

/* Modal visualizar */
.ef-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(8px);
}

.ef-modal-overlay.ativo { display: flex; }

.ef-modal-box {
  position: relative;
  max-width: 95vw;
  max-height: 95vh;
  overflow: auto;
  border-radius: var(--ef-radius-lg);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8), var(--ef-shadow-glow);
}

.ef-modal-close {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 107, 0, 0.9);
  color: #000;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10000;
  box-shadow: var(--ef-shadow-glow);
}

/* Autosave indicator */
.ef-autosave {
  font-size: 0.65rem;
  color: #4ade80;
  opacity: 0;
  transition: opacity 0.3s;
}

.ef-autosave.visivel { opacity: 1; }

@media (max-width: 900px) {
  .ef-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .ef-text-panel .ef-text-actions { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .ef-footer-grid { grid-template-columns: 1fr; }
  .ef-chips { max-height: 140px; }
}