/* ============================================================
   layout.css — Estructura y posicionamiento de secciones
   ============================================================ */

/* ── Header ── */
.app-header {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.logo-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
  opacity: 0.8;
}

.app-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1;
  color: var(--text);
}

.subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
  letter-spacing: 1px;
}

/* ── Config bar ── */
.config-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  width: 100%;
  max-width: 700px;
  flex-wrap: wrap;
}

.config-label {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.config-bar input[type=number] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 8px 14px;
  width: 110px;
  outline: none;
  transition: border-color var(--transition);
}

.config-bar input[type=number]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(155, 92, 255, 0.1);
}

/* ── Zona de drop ── */
.drop-zone {
  width: 100%;
  max-width: 700px;
  border: 1.5px dashed #4a3480;
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(120, 60, 255, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent);
  background: #1c1640;
  transform: scale(1.005);
}

.drop-icon {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
  opacity: 0.7;
}

.drop-zone h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.drop-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.drop-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

/* ── Cola de archivos ── */
.queue-section {
  width: 100%;
  max-width: 700px;
  margin-top: 36px;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ── Barra de acciones ── */
.action-bar {
  width: 100%;
  max-width: 700px;
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Progreso ── */
.progress-section {
  width: 100%;
  max-width: 700px;
  margin-top: 28px;
}

/* ── Resultados ── */
.results-section {
  width: 100%;
  max-width: 700px;
  margin-top: 36px;
}