/* ===== MODAL NUEVO PRODUCTO — REDISEÑO ===== */
#inv-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(8,18,36,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 5000;
  justify-content: center;
  align-items: center;
  padding: 16px;
}
.inv-modal-box {
  background: var(--white);
  border-radius: 20px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 32px 80px rgba(10,22,40,0.28), 0 0 0 1px rgba(201,168,76,0.15);
  position: relative;
  overflow: hidden;
  animation: modalSlideUp 0.32s cubic-bezier(.22,1,.36,1) both;
}
@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}
.inv-modal-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  padding: 24px 28px 22px;
  position: relative;
}
.inv-modal-header-accent {
  position: absolute;
  top: 0; right: 0;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.18) 0%, transparent 70%);
  transform: translate(30%, -30%);
  pointer-events: none;
}
.inv-modal-icon {
  width: 42px; height: 42px;
  background: rgba(201,168,76,0.18);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  border: 1px solid rgba(201,168,76,0.3);
}
.inv-modal-icon i { color: var(--gold-light); font-size: 1rem; }
.inv-modal-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  color: var(--white);
  margin: 0;
  line-height: 1.2;
}
.inv-modal-subtitle {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
  margin-top: 4px;
}
.inv-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  line-height: 1;
}
.inv-modal-close:hover { background: rgba(185,28,28,0.4); color: #fff; border-color: rgba(185,28,28,0.5); }
.inv-modal-body { padding: 24px 28px 28px; }
.inv-field-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.inv-field-row {
  display: grid;
  gap: 12px;
}
.inv-field-row.cols2 { grid-template-columns: 1fr 1fr; }
.inv-field-row.cols3 { grid-template-columns: 1fr 1fr 1fr; }
.inv-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.inv-field label {
  font-size: 0.71rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.inv-field input,
.inv-field select {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 13px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  color: var(--text-dark);
  background: var(--cream);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
  width: 100%;
}
.inv-field input:focus,
.inv-field select:focus {
  border-color: var(--gold);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.14);
}
.inv-field input::placeholder { color: var(--text-muted); opacity: 0.6; }
.inv-modal-tip {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.18);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.75rem;
  color: #1d4ed8;
  line-height: 1.5;
}
.inv-modal-tip-icon { font-size: 0.85rem; flex-shrink: 0; margin-top: 1px; }
.inv-modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 6px;
}
.inv-btn-cancel {
  padding: 10px 20px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: none;
  color: var(--text-muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.inv-btn-cancel:hover { background: var(--cream); color: var(--text-dark); border-color: rgba(10,22,40,0.2); }
.inv-btn-save {
  padding: 10px 24px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--success) 0%, #15a357 100%);
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  transition: all 0.18s;
  box-shadow: 0 4px 14px rgba(26,122,74,0.35);
}
.inv-btn-save:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,122,74,0.45); }
.inv-btn-save:active { transform: translateY(0); }

/* Divider dentro modal */
.inv-modal-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0 14px;
  border: none;
}