/* ─── Variables ─────────────────────────────────────────────── */
:root {
  --bg:          #0f0f13;
  --surface:     #1a1a22;
  --surface2:    #22222e;
  --border:      #2e2e3e;
  --accent:      #e8c84a;
  --accent-dim:  #b89e36;
  --text:        #f0eff5;
  --text-muted:  #888899;
  --text-dim:    #555566;
  --error:       #e85a4a;
  --success:     #4ae8a0;
  --radius:      14px;
  --radius-sm:   8px;
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
  --transition:  0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%;
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Bebas+Neue&family=DM+Mono:wght@400;500&display=swap');

/* ─── Layout Principal ───────────────────────────────────────── */
.app-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ─── Header ─────────────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--accent);
  line-height: 1;
}

.app-logo span {
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  display: block;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background var(--transition);
}
.status-dot.ok    { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.error { background: var(--error);   box-shadow: 0 0 6px var(--error); }
.status-dot.loading { 
  background: var(--accent); 
  animation: pulse 1s infinite; 
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* ─── Búsqueda ───────────────────────────────────────────────── */
.search-section {
  padding: 28px 28px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.search-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.search-label::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 12px;
  background: var(--accent);
  border-radius: 2px;
}

.search-box {
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-input {
  flex: 1;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Mono', monospace;
  font-size: 1.4rem;
  font-weight: 500;
  padding: 14px 18px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  letter-spacing: 0.05em;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 200, 74, 0.12);
}

.search-input::placeholder { color: var(--text-dim); font-size: 1rem; }

.btn-buscar {
  background: var(--accent);
  color: #0f0f13;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 24px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
  letter-spacing: 0.03em;
}

.btn-buscar:hover  { background: #f0d060; }
.btn-buscar:active { transform: scale(0.97); }

.search-hint {
  margin-top: 8px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* ─── Área de resultado ──────────────────────────────────────── */
.result-area {
  flex: 1;
  padding: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Estado vacío */
.estado-vacio {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--text-dim);
  text-align: center;
  padding: 60px 20px;
}

.estado-vacio .icono {
  font-size: 4rem;
  opacity: 0.25;
  line-height: 1;
}

.estado-vacio p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 280px;
}

/* Estado error / no encontrado */
.estado-error {
  background: rgba(232, 90, 74, 0.08);
  border: 1px solid rgba(232, 90, 74, 0.25);
  border-radius: var(--radius);
  padding: 28px 36px;
  text-align: center;
  max-width: 440px;
  width: 100%;
  animation: slideIn 0.25s ease;
}

.estado-error .icono  { font-size: 2.5rem; margin-bottom: 12px; }
.estado-error p       { color: var(--error); font-weight: 500; font-size: 1rem; line-height: 1.5; }
.estado-error .codigo { font-family: 'DM Mono', monospace; font-size: 0.8rem; color: var(--text-dim); margin-top: 8px; }

/* ─── Ficha de producto ──────────────────────────────────────── */
.producto-card {
  width: 100%;
  max-width: 540px;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 1. Precio */
.producto-precio {
  background: var(--accent);
  color: #0f0f13;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px 28px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.precio-simbolo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  line-height: 1;
  opacity: 0.7;
}

.precio-valor {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 4.5rem;
  line-height: 1;
  letter-spacing: -0.02em;
}

.precio-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-left: auto;
  align-self: center;
}

/* 2. Imagen */
.producto-imagen-wrap {
  background: var(--surface);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  max-height: 38vh;
  overflow: hidden;
}

.producto-imagen {
  max-height: 34vh;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  cursor: zoom-in;
  transition: transform var(--transition), opacity var(--transition);
}

.producto-imagen:hover { transform: scale(1.03); }
.producto-imagen.cargando { opacity: 0.4; }

/* 3 & 4. Info */
.producto-info {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 20px 28px 24px;
}

.producto-marca {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 6px;
}

.producto-nombre {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 14px;
}

.producto-sku {
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  background: var(--surface2);
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* ─── Overlay Zoom ───────────────────────────────────────────── */
.zoom-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  cursor: zoom-out;
  backdrop-filter: blur(6px);
}

.zoom-overlay.visible {
  opacity: 1;
  pointer-events: all;
}

.zoom-overlay img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 24px 80px rgba(0,0,0,0.8);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.zoom-overlay.visible img { transform: scale(1); }

.zoom-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}
.zoom-close:hover { background: rgba(255,255,255,0.2); }

/* ─── Loading spinner ────────────────────────────────────────── */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-catalogo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 60px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ─── Admin link ─────────────────────────────────────────────── */
.admin-link {
  position: fixed;
  bottom: 16px;
  right: 20px;
  font-size: 0.65rem;
  color: var(--text-dim);
  text-decoration: none;
  opacity: 0.4;
  transition: opacity var(--transition);
  letter-spacing: 0.1em;
}
.admin-link:hover { opacity: 1; }

/* ─── Admin panel ────────────────────────────────────────────── */
.admin-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}

.admin-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.admin-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.admin-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  padding: 12px 14px;
  outline: none;
  transition: border-color var(--transition);
}
.form-input:focus { border-color: var(--accent); }

.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #0f0f13;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  margin-top: 8px;
  letter-spacing: 0.02em;
}
.btn-primary:hover  { background: #f0d060; }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-secondary:hover { background: var(--border); }

.form-error {
  color: var(--error);
  font-size: 0.8rem;
  margin-top: 12px;
  text-align: center;
}

/* ─── Panel Admin (logueado) ─────────────────────────────────── */
.admin-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 580px;
  box-shadow: var(--shadow);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.panel-section {
  margin-bottom: 24px;
}

.panel-section-title {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-section-title::before {
  content: '';
  display: inline-block;
  width: 3px;
  height: 12px;
  background: var(--accent);
  border-radius: 2px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.info-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}

.info-item label {
  font-size: 0.67rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.info-item value {
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  color: var(--text);
  display: block;
}

.info-item value.ok    { color: var(--success); }
.info-item value.error { color: var(--error); }

.btn-reload {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0f0f13;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition);
}
.btn-reload:hover    { background: #f0d060; }
.btn-reload:disabled { opacity: 0.5; cursor: not-allowed; }

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 500;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--error);   color: var(--error); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .app-header   { padding: 12px 16px; }
  .search-section, .result-area { padding: 16px; }
  .precio-valor { font-size: 3.5rem; }
  .admin-card, .admin-panel { padding: 28px 20px; }
  .info-grid    { grid-template-columns: 1fr; }
}